®
®
JUNE 2007
KV0416A-R2
KV0424A-R2
KV1416A-R2
KV1424A-R2
NETWORK SERVICES
ServSwitch™ CX
USER GUIDE
COMPUTER
1
2
3
4
PWR
USER
VNC 100 DAT LNK AUX
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
CUSTOMER
SUPPORT
INFORMATION
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
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Introduction
This description, however, is far from sufficient to tell
you that those four users can easily be situated up to
300m (980 feet) from the unit, using ServSwitch CX
Remote extenders. It also does not tell you that, thanks
to our unique SAM (Server Access Module) technology,
the host systems can themselves be up to 50m (160
feet) from the unit. In both cases CATx structured
cabling provides neat, easy-to-manage and cost
effective linking. The 16- or 24- ports of the standard
units are by no means the limit. By cascading one or
more ServSwitch CX units you can easily control up to
512 host servers.
The ServSwitch CX with IP variants introduce true global
control for the multiple host systems. Up to four global
users can share access to a server from anywhere via an
IP network/internet connection using a Real VNC client
application. A modem/ISDN port provides an alternative
backup connection should the network link suffer a
failure. Optional power switch control allows you to
remotely perform a hard reset on any host system, no
matter how badly it has locked up. Finally, to ensure
that only authorised operators are given such power,
the ServSwitch CX with IP units feature enterprise grade
security.
Thank you for choosing the ServSwitch CX series from
Black Box. Each of the four models have been designed
to take full advantage of CATx structured cabling
(where x means category 5, 5e or 6) to provide high
quality linking plus ultimate flexibility for installers and
operators alike.
At its heart the ServSwitch CX is a tried and trusted
digital KVM + audio switch with 16 or 24 ports. In
its simplest form, the ServSwitch CX allows up to
four users to maintain full control over multiple host
systems.
Local user
Modem/ISDN port
One user can
be connected
directly to the
ServSwitch CX.
This port offers a
connection option
that can be used
alongside, or instead
of, the IP network
link. It also offers a
backup route should
the network fail.
Modem
or ISDN
CX R
CX R
CX R
CX R
Modem
or ISDN
Remote users
Up to four* users can be
linked, via Remote extenders
and category 5, 5e or 6
cabling, to a maximum
COMPUTER
1
2
3
4
PWR
USER
IP network/
Internet
VNC 100 DA LNK AUX
T
distance of 300m (980 ft).
* The IP models allow two
remote (extended) users.
Power switch
Global users
The IP models can support
up to four global users
at any one time. All of
these may be connected
via the IP network port or
one may be linked via the
modem/ISDN channel.
Many servers
SAM
SAM
SAM
SAM
SAM
SAM
ServSwitch CX units can directly support
either 16 or 24 server systems. Multiple
ServSwitch CX units can also be cascaded to
support a maximum of 512 servers.
Optional power control
The IP models provide the
opportunity to attach one or
more power switches. These
control the supply to the
system(s) and allow the global
user to hard reset any system
that has suffered a failure.
SAM formats
The SAMs are available in
different formats to support all
common types of systems, which
can easily be mixed within a
multi-format configuration.
Each system is linked using a Server Access
Module (SAM) and category 5, 5e or 6
cabling to a maximum distance of 50m (160
ft) from the ServSwitch CX unit.
Represents KVM &
audio connections
ꢃ
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Front panel buttons
IP network port (CX with IP only)
The port by which global users are
linked to the ServSwitch CX unit.
This intelligent Ethernet port can
automatically sense whether it is
attached to a 10Mb or 100Mb
network.
ServSwitch CX features - front and rear
The COMPUTER and USER buttons allow
the local user to select the required
combination. Adjacent numeric displays
show the current selection. Keyboard,
mouse and menu-based switching
techniques are also available.
The ServSwitch CX units pack a great deal of functionality into a compact space.
All models occupy a single 1U rack space and provide most of their connectors
at the rear face. The smart front face features the IP network port and the
operation indicators.
COMPUTER
1
2
3
4
PWR
USER
VNC 100 DATLNK AUX
Indicators
The front panel indicators clearly show key aspects of operation (CX and CX with IP models differ):
• VNC Indicates that a global user is connected and active.
• ꢀ00 Indicates the Ethernet network speed (10/100Mbs).
• DAT Network activity indication.
• PWR Power input indicator.
• AUX Auxilliary power input indicator.
• ꢀ-ꢃ Indicates activity on the four user ports.
• LNK Network link present.
Note: The VNC, 100, DAT & LNK indicators are
present on ServSwitch CX with IP models only.
On non-IP models each user port has an upper
(mouse activity) and lower (keyboard activity)
indicator.
Power control port
Upgrade port
Modem port (IP models only)
Optionally use this port to control one or more
power switches. These allow the remote user
to take full control of the server system(s).
This port is used to update (when
necessary) the internal firmware of
the ServSwitch CX unit.
Optionally use this port to attach either a
standard modem or an ISDN adapter. This feature
provides an alternative, direct-dial, remote link
into the ServSwitch CX with IP models.
CATx USER PORTS
4 2
POWER CONTROL
COM1 / UPGRADE
USER PORT 1
COM2 / MODEM
COMPUTER CONNECTIONS
24 23 21
22
COMPUTER CONNECTIONS
16 15 13
14
COMPUTER CONNECTIONS
7
6
Made in
the U.K.
I
8
5
OPTIONS
1
2
3
4
ON
KM
20
19
18
17
12
11
10
9
4
3
2
1
3
1
Indoor use only
Dual power inputs
The primary and
optional auxiliary
power supplies
connect here.
Remote user ports
Up to four remote users can be connected,
using optional ServSwitch CX Remote
extenders and standard category 5, 5e or
6 cabling, a maximum distance of 300m
(1000ft) from the ServSwitch CX unit. CX
with IP models provide two remote user ports.
Server ports
Local user port
Connect a keyboard and mouse (either PS/2-style
Each server connects to one of these ports via
standard category 5, 5e or 6 cabling. At the other
end of the cabling a SAM (Server Access Module)
is used to provide the necessary keyboard, video,
mouse and optional speaker connections.
or USB), plus a video monitor and optional speakers
to these connectors. These allow you to perform
the initial configuration of the ServSwitch CX.
Additionally, you can use these to locally control the
connected server(s).
ꢄ
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®
What’s in the box
What you may additionally need
Server Access Modules
One required per connected server. There are five
different formats, depending on the required server
connections:
PS/ꢁ-style
Connectors:Analog video, PS/2-style keyboard and
PS/2-style mouse.
Part number: KV1400A
PS/ꢁ-style with audio
Connectors:Analog video, PS/2-style keyboard, PS/2-
style mouse and 3.5mm audio jack.
Part number: KV1402A
USB
Connectors:Analog video and USB keyboard/mouse.
Part number: KV1401A
C
O
M
P
U
T
E
R
1
2
0
USB with audio
3
4
P
W
R
Connectors:Analog video, USB keyboard/mouse and
3.5mm audio jack.
V
N
C
1
U
0
S
E
D
R
A
T
L
N
K
A
U
X
Part number: KV1403A
ServSwitch CX
or
Sun with audio
ServSwitch CX with IP
Connectors:Analog video, Sun keyboard/mouse and
3.5mm audio jack.
Part number: KV1404A
ServSwitch CX Remote extenders
One required per remote user. Three different versions
are available - the ServSwitch CX Remote AS/R has
audio and video skew circuitry to overcome extreme
video degradation problems. The ServSwitch CX Remote
A/R lacks the skew circuitry and the ServSwitch CX
Remote /R does not have skew circuitry or audio. Each
ServSwitch CX remote module is supplied with its own
power adapter and country-specific power lead.
ServSwitch CX
KV0416A-R2 – 16 server connections, 1 local console connection, 4 remote user connections
KV0424A-R2 – 24 server connections, 1 local console connection, 4 remote user connections
ServSwitch CX with IP
KV1416A-R2 – 16 server connections, 1 local console connection, 1 IP connection, 2 remote user connections
KV1424A-R2 – 24 server connections, 1 local console connection, 1 IP connection, 2 remote user connections
®
0
0
5
5
-
6
4
ServSwitch CX Remote /R
Connectors:Analog video, PS/2-style keyboard and
PS/2-style mouse.
7
®
-
4
2
7
Part number: KV04-REM
ServSwitch CX Remote A/R
Connectors:Analog video, PS/2-style keyboard and PS/2-
style mouse and 3.5mm audio jack.
Part number: KV04A-REM
ServSwitch CX Remote AS/R
Connectors:Analog video, PS/2-style keyboard and PS/2-
style mouse and 3.5mm audio jack.
Includes additional skew compensation features.
Part number: KV04AS-REM
ꢂ0W power
adapter and
country- specific
power lead
Optional auxiliary power adapter
(supplied with country-specific power lead)
Call Black Box for details.
Slave power switches for connection to ServSwitch
CX with IP or master power switch
Part number: PSE508SA (not available in North America)
Four self-adhesive
CD-ROM
Master power switch for connection to ServSwitch
CX with IP or standalone Ethernet operation
Part number: PSE508MA (not available in North America)
rubber feet
Two ꢀ9” rack-
mount brackets
and four screws
ꢅ
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®
Installation
Mounting
The ServSwitch CX units offer two main mounting methods:
• Supplied four self-adhesive rubber feet
• Supplied rack brackets
Rack brackets
The two supplied brackets (plus four screws), allow
the ServSwitch CX unit to be secured within a
standard 1U rack slot.
Note: The ServSwitch CX units and their
power supplies generate heat when in
operation and will become warm to the
touch. Do not enclose them or place them
in locations where air cannot circulate
to cool the equipment. Do not operate
the equipment in ambient temperatures
exceeding 40 degrees Centigrade. Do
not place the products in contact with
equipment whose surface temperature
exceeds 40 degrees Centigrade.
ꢆ
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®
Connections
The ServSwitch CX and CX with IP units provide a great deal of flexibility in their configurations.
This chapter details the various connections that can be made to achieve the required installation.
REMOTEEMOTE
USER
USER
page 9
page 10
page 11
CX R
CX R
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724-746-5500
USER
REMOTE
USER
GLOBAL
USER
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®
724-746-5500
CX R
IP
SAM SAM
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®
IN
/ISDN
SERVER
SYSTEM
724-746-5500
page 21
page 14
page 13
SAM
SERVER
SYSTEM
SWITCH
CX R
IP
page 16
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®
MODEM
/ISN
724-746-5500
®
®
POWER
IN
724-746-5500
SAM
Connections do not need to be carried out in the order given within this guide,
however, where possible connect the power in as a final step.
ꢇ
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®
Local user
LOCAL
USER
REMOTE
USER
GLOBAL
USER
To connect the local user port
A locally connected video monitor,
1 Position a suitable video monitor, keyboard, mouse (and speakers, if
required) in the vicinity of the ServSwitch CX unit such that their cables will
easily reach.
keyboard (and mouse) are required
during the initial configuration.
These are also useful during normal
use to allow quick local control of
any connected server systems. The
ServSwitch CX unit can directly
support either PS/2 or USB style
keyboards and mice. An audio port
is also provided for locally connected
speakers, if required.
CX R
IP
®
®
POWER
/ISDN
724-746-5500
2 Attach the video monitor, keyboard, mouse (and speaker) connectors to the
sockets, collectively labelled as USER PORT 1, at the rear of the ServSwitch CX
unit.
SAM
SERVER
SYSTEM
POWER
ServSwitch CX rear
panel
From PS/ꢁ-style mouse
From PS/ꢁ-style keyboard
From speakers
From video monitor
From USB keyboard and mouse
Note: The keyboard and mouse can be either PS/2-style or USB respectively, as
required. The two different connection types can even be mixed. Recognition
of the type used is automatic and requires no extra settings to be made.
9
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®
Remote user (via CX Remote extender)
USER
REMOTE
USER
GLOBAL
USER
Up to four users can be placed
a maximum of 300 metres (980
feet) from the ServSwitch CX unit.
3 Lay a suitable length of category 5, 5e or 6 cabling between the ServSwitch
CX Remote module and the ServSwitch CX unit. Please refer to the section
Cable lengths for remote user locations opposite.
CX R
IP
®
®
POWER
MODEM
Remote users are connected via a
ServSwitch CX Remote extender
module and suitable category 5,
5e or 6 cabling (with no crossover).
The ServSwitch CX with IP models
provide two remote user ports.
724-746-5500
4 Attach the connector of the cable run to the socket of the ServSwitch CX
remote.
SAM
SERVER
SYSTEM
POWER
Category ꢄ, ꢄe or
ꢅ cable leading to
ServSwitch CX unit
Cable lengths for remote user locations
The maximum length of cable between a remote user and the ServSwitch CX
unit can be up to 300 metres (980 feet). However, bear in mind that the overall
distance between any remote user and any server system must not exceed 300
metres (980 feet).
Overall maximum length between any remote user and
any server system must not exceed 300 metres (980 feet)
ServSwitch CX
Remote module
From power adapter
®
®
REMOTE
USER
SERVER
SYSTEM
SAM
CX R
724-746-5500
5 At the other end of the cable run, attach the cable connector to one of the
sockets labelled CATx USER PORTS on the rear panel of the ServSwitch CX unit.
300 metres (980 feet)
maximum
50 metres
(160 feet)
maximum
!
W
ARNING
CONNECT
RJ45
P
In situations where any server system will be placed a significant distance from
the ServSwitch CX unit, ensure that the distance to any remote user is similary
less than 300 metres (980 feet).
ANEL
T
O
ARE
KVM
ORS
FOR
ON
CONNECTIO
DO
E
NOT QUIPMENT
TELEPHONE
THIS
CONNECT
ONL
N
ServSwitch CX rear
panel
CA
Tx
4
SYSTE
T
M
Y
O
.
N
ETWORK
S
5V
4A
USER
OR
PORTS
2
OPTIONS
PWR
IN
To connect a remote user
1 Place a ServSwitch CX Remote extender unit adjacent to the remote user
location.
POWER
PWR
CONTROL
IN
Note: The ServSwitch
CX model shown here
is a non-IP version. The
IP-version provides only
remote user ports 3
and 4.
3
2 Attach the video monitor,
0
5
5
-
keyboard, mouse, power adapter
6
1
4
7
®
-
4
2
7
(and speaker) connectors to
the sockets of the
ServSwitch CX
Category ꢄ, ꢄe or ꢅ cable
from ServSwitch CX
Remote module
Remote module.
6 Where necessary, use the in-built video compensation feature of the
ServSwitch CX remote module to eliminate any effects caused by the cable
run. However, ensure that the links between the servers and the ServSwitch
CX have been compensated first. See remote user video compensation
for details.
From mouse
From keyboard
ServSwitch CX
Remote module
From video monitor
ꢀ0
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®
Global user (IP network port)
USER
REMOTE
USER
GLOBAL
USER
To connect the Global user (IP network) port
The ServSwitch CX with IP models
provide an autosensing Ethernet
IP port that can operate at 10 or
100Mbps, according to the network
speed. The ServSwitch CX with IP
models are designed to reside quite
easily at any part of your network:
1 Depending upon where in the network the ServSwitch CX with IP is being
connected, run a category 5, 5e or 6 link cable from the appropriate hub or
router to the ServSwitch CX with IP unit.
CX R
IP
®
®
POWER
MODEM
724-746-5500
2 Connect the plug of the link cable into the IP port on the front panel of the
ServSwitch CX with IP unit.
SAM
SERVER
SYSTEM
POWER
• They can be placed within
the local network, behind any
firewall/router connections to the Internet, or
• They can be placed externally to the local network, on a separate sub-
network or with an open Internet connection.
Wherever in the network a ServSwitch CX with IP is situated, you will need to
determine certain configuration issues such as address allocation and/or firewall
the Configuration chapter for more details.
IMPORTANT: When a ServSwitch CX with IP is accessible from the public Internet
employed.
IP network link
3 Configure the network settings as appropriate to the position of the
details.
ꢀꢀ
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Server system (via SAM)
USER
REMOTE
USER
GLOBAL
USER
4 Attach the connector of the cable
run to the socket of the SAM.
Each server system is connected to
the ServSwitch CX unit via a Server
Access Module (SAM) and standard
category 5, 5e or 6 cabling. SAMs
are available in various formats to
suit differing server system types
and their particular connector styles.
CX R
IP
®
®
POWER
MODEM
724-746-5500
Green indicator - power present
Yellow indicator - signal activity
SAM
SERVER
SYSTEM
POWER
Server Access
Module
To connect a server system
1 Ensure that power is
disconnected from the ServSwitch CX unit and the server to be connected.
(Note: If it is not possible to switch off devices prior to connection, then
a ‘Hot plug’ procedure is available – see the Hot plugging and mouse
restoration section for more details).
Note: SAMs derive power from the server
system via either the PS/2-style keyboard
connector, USB or SUN connector.
Category ꢄ, ꢄe or ꢅ cable
to ServSwitch CX
2 Locate the required SAM (there are five types available) and attach its video,
keyboard and mouse (PS/2-style, USB or Sun) and optional audio connectors
to the relevant sockets on the server system.
5 At the other end of the cable run, attach the cable connector to one of the
sockets labelled COMPUTER CONNECTIONS on the rear panel of the ServSwitch
CX unit.
USB keyboard/mouse
A range of different
Sun keyboard/mouse
PS/2-style mouse
connector combinations
are made available
across the five available
SAM formats
Note: Each SAM is
specifically shaped so
that it can be secured
PS/2-style keyboard
Audio
using a cable tie around
its middle. In this way,
two SAMs can also be
neatly joined together,
back-to-back.
Video
ServSwitch CX rear
panel
3 Lay a suitable length of category 5, 5e or 6 cabling between the server
system and the ServSwitch CX unit. The maximum length of the cable
can be up to 50 metres (160 feet), however, bear in mind that the overall
distance between any remote user and any server must not exceed 300
metres (980 feet).
Overall maximum length between any remote user and
any server system must not exceed 300 metres (980 feet)
Category ꢄ, ꢄe or ꢅ
cable from SAM
®
®
REMOTE
USER
SERVER
SYSTEM
SAM
CX R
724-746-5500
6 Where necessary use the in-built video compensation feature of the
ServSwitch CX unit to eliminate any effects caused by the cable run. See
300 metres (980 feet)
maximum
50 metres
(160 feet)
maximum
ꢀꢁ
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®
Modem/ISDN port
USER
REMOTE
USER
GLOBAL
USER
The ServSwitch CX with IP models
provide a serial port to allow you
to connect either a modem or ISDN
terminal adapter. This can be used
as a primary, secondary or backup
access port for global users, as best
suits your overall configuration.
To connect a modem or ISDN adapter
1 If possible, disconnect power from the ServSwitch CX with IP and the
modem or ISDN adapter.
CX R
IP
®
®
POWER
MODEM
/ISDN
724-746-5500
2 Connect a suitable serial modem (non-crossover) cable to the serial port on
the modem/ISDN adapter.
SAM
3 Connect the other end of the serial cable to the port labelled COM1 at the
rear of the ServSwitch CX with IP.
SERVER
SYSTEM
POWER
IMPORTANT: When the ServSwitch
CX with IP is accessible from the
public Internet or dial up connection,
you must ensure that sufficient
security measures are employed.
ServSwitch CX rear
panel
Note: On non-IP models, the
COM2/MODEM port is reserved for
the support of future features.
Cable from modem
or ISDN adapter
Note: The default serial port speed is 115200 and a standard Hayes-compatible
auto-answer string is sent during startup. The default startup string is
‘ATZHS0=1’. Both the serial port speed and startup string settings can easily be
other serial settings are fixed at: No parity, 8 bit word and 1 stop bit.
ꢀꢂ
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®
Power in connection
USER
REMOTE
USER
GLOBAL
USER
2 Connect the IEC connector of the supplied country-specific power lead to
the socket of the power adapter.
The ServSwitch CX unit is supplied
with a single 30W power adapter
which is sufficient to supply any
configuration of the unit. All
ServSwitch CX units have two
power input sockets to allow
auxiliary (redundant) power
adapters to be connected. There
are no on/off switches, so operation
begins as soon as a power adapter
is connected.
CX R
IP
®
®
POWER
IN
MODEM
724-746-5500
SAM
SERVER
SYSTEM
POWER
Note: ServSwitch CX units require a heavy duty power adapter at either or
both power input connectors. Use only the adapter supplied with the unit or
available separately from Black Box. Do not use the standard 10W adapters that
are supplied with other Black Box products, such as the ServSwitch CX Remote
module.
To connect the power supply
1 Attach the output lead from the power adapter to the MAIN PWR IN socket
on the rear panel of the ServSwitch CX.
3 Connect the power lead to a nearby main supply socket.
4 Repeat steps 1 to 3 for the auxiliary power adapter (using the AUX PWR IN
socket), if a backup supply is required.
Made
Note: Both the ServSwitch CX and its power supply generate heat when in
operation and will become warm to the touch. Do not enclose them or place
them locations where air cannot circulate to cool the equipment. Do not operate
the equipment in ambient temperatures exceeding 40 degrees Centigrade. Do
not place the products in contact with equipment whose surface temperature
exceeds 40 degrees Centigrade. Using two power supplies will ensure that each
power supply takes less load and run at a correspondingly cooler temperature.
the in
U.K.
ServSwitch CX rear
panel
!
W
ARNING
CONNECT
RJ45
P
ANEL
T
O
ARE
KVM
5V
5A
ORS
FOR
ON
CONNECTIO
DO
E
NOT QUIPMENT
TELEPHONE
TS
Indoor
ONL
N
CA
Tx
SYSTE
T
M
Y
O
.
use
N
ETWORK
S
only
5V
5A
USER
4
OR
PORT
2
OPTIONS
PWR
IN
1
ON
2
PWR
3
IN
3
1
output lead from
power adapter
ꢀꢃ
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To connect and address the switch boxes
Note: The ServSwitch CX with IP unit can be powered on during this procedure,
however, the switch boxes should be switched off.
Power control port
USER
REMOTE
USER
GLOBAL
USER
The ServSwitch CX with IP models
provide a serial port for connection to
one or more optional power control
units. This allows you to control
the mains power being supplied to
the connected server(s) so that an
authorised user can, if necessary,
perform a complete remote cold reboot
on a failed server.
CX R
IP
1 Mount up to four switch boxes in positions where they are close to the
server systems that they will control and not too distant from the ServSwitch
CX with IP unit (preferably within 2.5 metres).
®
®
POWER
/ISDN
724-746-5500
SAM
switch box. Attach the other end to the socket marked POWER CONTROL on
the ServSwitch CX with IP.
SERVER
SYSTEM
POWER
SWITCH
The control connector of the first power switch is attached, via serial cable, to
the rear panel of the ServSwitch CX with IP. Any additional power switches are
then attached via a ‘daisy-chain’ arrangement to the first power switch. Each
power switch box is then given a unique address and access to each power port
(8 ports on each power switch box) is gained using a combination of the switch
box address and the port number.
ServSwitch CX rear
panel
Serial cable to first
power switch box
‘Daisy-chain’
control
Power
switch
boxes
COMPUTER
1
2
3
4
PWR
USER
V
N
C
1
0
0
D
A
T
LNK
AUX
connections
IN
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
Box ꢀ
OUT
IN
3 For each of the remaining switch boxes (if used), use a serial cable with RJ9
end to the socket marked OUT of the previous box and the other end to the
socket marked IN of the next box.
Box ꢁ
Box ꢂ
OUT
Power to server
Box ꢁ, port ꢅ - address: ꢁꢅ
IN
4 Set the addressing switches on each switch
Box Switch ꢀ Switch ꢁ
OUT
box using the two micro switches marked
1
2
3
4
Off
On
Off
On
Off
Off
On
On
‘Slct’ on the front panel. The box connected
directly to the ServSwitch CX with IP is Box 1
and so on, down the daisy-chain line to Box
4 at the end.
IN
Box ꢃ
The power ports are connected to the power inputs of each server system and
the power switch box(es) are then connected to a mains power supply.
5 Attach IEC to IEC power leads between
each port and the power input socket of
each server system that requires power
switching. Carefully note to which power
Off = switch upwards
On = switch downwards
Switch ꢀ is on the left side
IMPORTANT: Power switching devices have a maximum current rating. It is
essential to ensure that the total current drawn by the equipment connected
to the power switching device does not exceed the current rating of the power
switching device. You must also ensure that the current drawn from any mains
socket does not exceed the current rating of the mains socket.
ports, on which boxes, each server system is connected. If server systems
have multiple power inputs, then each input must be connected via separate
ports, which can be on the same, or different boxes.
Setting up, configuring and using power switching requires three main steps:
6 Connect each box to a suitable mains power input.
• Connect and address the switch boxes
Now proceed to the configuration stage covered in the Power switching
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Cascading multiple units
CX R
IP
The ServSwitch CX (with IP) units
support up to sixteen or twenty
four directly connected server
systems, however, this is by no
means the limit. Thanks to an
intelligent communication system,
server systems can be controlled
by connecting other ServSwitch
CX units. The combination of
units can be arranged up to three
levels deep forming a tree, or
cascade arrangement, with server
systems situated at any level
within that cascade tree.
®
®
The cascade tree
MODEM
/ISDN
724-746-5500
The diagram shows how multiple ServSwitch CX units can be
cascaded up to three levels. Server systems can be connected at any
level. Up to four users (local, remote or global) can simultaneously
access server systems situated around the cascade tree.
®
®
POWER
IN
724-746-5500
SAM
User
1
User
2
User
3
User
4
Cascade
level 1
ServSwitch CX or ServSwitch CX with IP
The maximum number of server
systems that can be controlled
within a cascade installation
SAM
SAM
SAM
SAM
depends upon the ServSwitch CX
unit placed at the top level. If the
top level unit is a non-IP version,
a maximum of 512 server systems
can be controlled. However, if the
top level unit is a ServSwitch CX
with IP, the maximum number of
servers drops to 128. This is due
to the extra burden placed on the
unit’s memory of administering
global (IP) users.
Cascade
level 2
ServSwitch CX
ServSwitch CX
SAM
SAM
SAM
SAM
Cascade
level 3
ServSwitch CX
ServSwitch CX
ServSwitch CX
See also
SAM
SAM
SAM
SAM
SAM
SAM
SAM
SAM
SAM
SAM
SAM
SAM
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How cascade connections operate
The method for cascading ServSwitch CX units is straightforward
and requires no hardware settings or lengthy configuration process.
them to locate each other and share information.
The method of linking ServSwitch CX units is the same regardless
of the cascade level, or number of devices attached. Put simply:
• A single cascade link is made by connecting a COMPUTER
COnnECTiOns socket of one unit to a CATx UsER PORTs
socket of the unit below it.
Port boundaries and numbering for triple link groups
(sixteen port models use groups 31 to 35 only)
Such a single link would allow just one user from the higher
ServSwitch CX unit to access any of the server systems attached
to the lower one. However, a single link can cause a bottleneck
for multi-user systems and cause port numbering problems, so the
minimum permissible group link between ServSwitch CX units is
a triple (quad cascade links are recommended). These allow three
or four users to simultaneously access server systems situated
anywhere within the cascade tree.
When triple or quad cascade links are made between units, each
ServSwitch CX will automatically recognise the links and treat
them accordingly. The links within a triple or quad group will then
be allocated to users according to their general availability in that
group, not as specific individual lines. To do this, each link group
has an access number, which is determined by the ports to which
they are connected on the switch.
Port boundaries and numbering for quad link groups
(sixteen port models use groups 41 to 44 only)
For instance, a quad group connected to server ports 1, 2, 3 and
4 of a ServSwitch CX unit would always be known as 41, the next
quad group connected to ports 5 to 8 would always carry the
number 42, and so on. The diagram here summarises the ports to
which triple and quad groups must be connected and the resulting
group numbers attained in the positions here
The central purpose of the link group system is that each user can
use a unique address to locate a particular server. However, as with
the Internet, the route to get there could be slightly different each
time. This avoids any route blocking that could easily be caused by
other users occupying any specific link lines.
Note: Triple and quad link groups may be mixed on one unit
providing the differing link groups lie within appropriate port
boundaries shown opposite - see Tips for successful cascading
for more details.
See also
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43 41 02
42 01
Addressing servers in a cascade
The addressing format used by the ServSwitch CX units
specific port number to which a required server is attached. In the
diagram given here, a portion of the previous cascade diagram
indicates how the routes to particular servers are formed and
addressed.
User
1
User
2
User
3
User
4
Each cascade level requires two digits, hence the server marked
in red requires a unique address with six digits because it is at
cascade level 3, compared to the blue server at level 2 with its
four digit unique address. A server connected directly to the
ServSwitch CX at the top level would simply have a two digit port
number.
ServSwitch CX or ServSwitch CX with IP
Group 43
at cascade
level 1
Port 01 at
cascade level 2
The group at level 2 is numbered 41 because it is a quad group,
connected to ports 1, 2, 3 and 4 on the ServSwitch CX. If it was
connected to ports 5, 6, 7 and 8, then the group number would
be 42 and the overall address for the red server would be 43 42
02.
ServSwitch CX
ServSwitch CX
Group 41
at cascade
level 2
SAM
SAM
SAM
SAM
The unique address
of this host is:
ServSwitch CX
42 01
Port 02
at cascade
level 4
SAM
SAM
SAM
SAM
The unique address
of this host is:
43 41 02
See also
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Connecting ServSwitch CX units in cascade
Please consider the following when making cascade connections between
ServSwitch CX units.
To connect units in cascade
1 Ensure that power is disconnected from the ServSwitch CX and all other
units to be connected.
Tips for successful cascading
2 Connect one end of each
cascade link cable to an
appropriate COMPUTER
• The maximum number of levels for a cascade is three.
• The maximum number of server systems that can be controlled within a
cascade installation depends upon the ServSwitch CX unit placed at the
top level. If the top level unit is a non-IP version, a maximum of 512 server
systems can be controlled. However, if the top level unit is a ServSwitch CX
with IP, the maximum number of servers drops to 128. This is due to the
extra burden placed on the unit’s memory of administering global (IP) users.
CONNECTIONS port on the rear
panel of the upper unit. Refer
to the Group numbering
diagram for the correct link
group boundaries.
• The number of links between units (three or four) determines the number of
users that can simultaneously access the servers situated further down the
tree. Link groups of one and two links should not be used.
• Ensure that cascade links (within a group) between units are approximately
the same length.
• Triple and quad link groups may be mixed on one unit providing the
links lie within the appropriate port boundaries designated in the Group
• ServSwitch CX with IP models can only be used at the top level of the
cascade tree because they have only two CATx USER PORTS sockets and the
minimum number of links required for a cascade group is three.
!
W
ARNING
RJ45
3 Connect the other
end of the cascade
link cable to one of
the CATx USER PORTS
sockets on the rear
panel of the lower
unit. Due to the way
in which ports within
a link group are
P
ANEL
CONNECT
T
O
DO
ARE
KVM
ORS
FOR
ON
CONNECTIO
EQUIPMENT
NOT
TELEPHONE
THIS
CONNC
ONL
• For each cascade link, use a standard category 5, 5e or 6 twisted-pair cable,
terminated at each end with an RJ45 connector. There must be no crossover
connections within the cable, i.e. do not use patch cables. The cascade link
cables can be up to 50m (160 feet) in length. However, remember that
the overall length between any remote user (via a ServSwitch CX Remote
extender) and any server (via a SAM) must not exceed 300m (980 feet) - that
figure includes the cascade link cables. Ensure that each of the links within a
cascade group all conform to the same length.
N
CA
Tx
4
SYSTE
T
M
Y
O
.
NETWORK
S
5V
4A
USER
OR
PORTS
2
OPTIONS
PWR
IN
POWER
PWR
CONTROL
IN
3
1
dynamically allocated,
it is not usually
• The procedure given opposite may be carried out in any order but for clarity
the instruction will begin at the higher level ServSwitch CX unit (here called
the upper unit), i.e. the one that is being fed into by a unit at the cascade
level below (here called the lower unit). The procedure remains the same
regardless of exactly which cascade levels are being connected. The basic
rule is that each link is made by connecting a COMPUTER CONNECTIONS port of
the upper switch to a CATx USER PORTS of the lower switch.
important exactly
which user port is
connected to each
server port of the
upper unit.
4 Repeat steps 2 and 3 for each of the links within the group, adhering to the
Group numbering diagram for the correct link group boundaries on the
COMPUTER CONNECTIONS ports of the upper switch.
See also
Once the ServSwitch CX units and servers have been connected, you can edit
their names to make it much easier to locate them. See the To create/edit
server names section in the Configuration chapter for more details.
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Using cascaded servers
In use, cascaded servers can be accessed using exactly the same methods as for
those connected directly to the ServSwitch CX. However, by far the easiest way
is to use the on screen menu. This is because it displays the server names and
does not require any knowledge of port addresses, some of which (as discussed
in the Operation chapter for more details.
Testing specific links to cascaded servers
As mentioned previously, the best and most efficient way to access cascaded
servers is by using the on screen menu and via non-specific routes through the
link groups. However, during configuration or troubleshooting, it may be useful
to test specific routes to servers in order to verify the various strands of each
link group. By using specific port addresses for each unit, rather than link group
numbers, you can precisely navigate a route through any part of the system.
To test a specific link
1 Simultaneously press and hold
clashes with other devices or software. If you change the hotkeys, remember
and
.
to use the new ones in place of
and
when following these
instructions.
2 While still holding
and
, in sequence, press and release the full
address of the required server – remember to use specific port numbers, not
link group addresses, e.g. 061802, not 424502.
3 When the last digit has been entered, release all keys.
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Multiple video head connections
REMOTEEMOTE
Two or more ServSwitch CX units can be connected
together so that they operate in a synchronised
manner. Synchronised operation is useful for
USER
USER
CX R
CX R
applications that require multiple video signals to be
switched together. This type of operation is usually
required where each server is fitted with multiple
video cards or video cards with multiple video heads.
Whenever a ServSwitch CX channel is switched, it
sends an RS232 command out on its serial interface
(marked COM1/UPGRADE on the rear panel). A ServSwitch CX will
switch its channel if it receives the same command on its serial
interface. Consequently, by linking the serial interfaces, a master
unit may be made to automatically switch one or more slave units
as shown in the diagram.
®
®
724-746-5500
Serial
synchronisation
cable
®
®
724-746-5500
Slave ServSwitch CX
SAM SAM
CATx USER PORTS
4 2
POWER CONTROL
COM1
/
UPGRADE
COM2
/
MODEM
COMPUTER CONNECTIONS
24 23 22 21
COMPUTER CONNECTIONS
16 15 14 13
COMPUTER CONNECTIONS
7 6
Made in
the U.K.
WARNING
!
8
5
SERVER
SYSTEM
USER PORT
1
OPTIONS
1
2
3
4
ON
KM
20
19
18
17
12
11
10
9
4
3
2
1
3
1
Indoor use only
It should be noted that the synchronisation cable deliberately does not have
the transmit pin of the Slave End connector linked to the receive pin of
the Master End connector. To do so would cause the Slave unit to be able
to switch the Master unit. This would setup an endless cyclical switching
sequence that would prevent the ServSwitch CX devices from operating
correctly. For more details about the serial synchronisation cables, see
CATx USER PORTS
4 2
POWER CONTROL
COM1
/
UPGRADE
COM2
/
MODEM
COMPUTER CONNECTIONS
24 23 22 21
COMPUTER CONNECTIONS
16 15 14 13
COMPUTER CONNECTIONS
7 6
Made in
the U.K.
WARNING
!
8
5
USER PORT
1
OPTIONS
1
ON
2
3
4
KM
20
19
18
17
12
11
10
9
4
3
2
1
3
1
Indoor use only
Master ServSwitch CX
The local user ports can also
be used to view multiple
video head installations.
CX R
CX R
Notes
It is recommended that the
second SAM in each pair is a
USB-type and that it is plugged
to a vacant USB port on the host
server to derive its power.
Slave monitor
Master monitor
SAM SAM
SAM SAM
Pairs of SAMs can be strapped
back-to-back with cable ties to
create a tidy installation.
Servers fitted with
dual video heads
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Configuration
Almost all configuration and operational aspects of the ServSwitch CX units are
Overall initial configuration
When setting up a new installation, the following stages are recommended:
With security disabled (default setting), all users attached to the ServSwitch
CX have full and unrestricted access to all servers and all ServSwitch CX
settings. In larger installations, you are strongly recommended to enable
security and set up individual user accounts with access privileges.
All ServSwitch CX units have a fixed user account that cannot be deleted,
named ADMIN. This user account is the only one that is able to make
important system changes. If you intend to use security, then it is important
to allocate a password to the ADMIN account.
Use the ADMIN account to add user profiles, passwords and access rights
for each of the system users.
When numerous servers are attached, you are strongly advised to provide
names for each, to assist with recognition.
The long cable links that are possible between the ServSwitch CX unit and
the servers and also to the remote users can affect the quality of the video
images displayed. Use the in-built compensation features to eliminate any
potential video image degradation.
Use the ADMIN account to determine key ServSwitch CX settings and timing
characteristics.
ServSwitch CX with IP models only. IP models possess a further collection
of IP-related configuration options and encryption features that protect
the installation from unauthorised global users - ensure that the IP security
features are enabled before connecting the ServSwitch CX with IP unit to
the network. The IP settings use the standard ADMIN password.
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Configuration menus
The configuration menus allow you to determine many aspects of the
ServSwitch CX capabilities. From here you can:
Hotkeys
Note:
• Create individual user accounts and determine access rights,
• Provide names for all connected servers to allow quick recognition,
• Set individual and global settings for users,
and
avoid clashes with other devices or software. If you change the hotkeys,
remember to use the new ones in place of
the instructions in this guide.
and
when following
• Run various functions, such as mouse restore operation,
• Save and load ServSwitch CX configuration settings, and more.
To access the configuration menu (local and remote users)
1 If the main menu is not already displayed, press and hold
Security
and then
Note: If the security option has been
enabled, you will be asked for a valid
user name and password before the
main menu can be displayed.
SERVSWITCH CX
press
using a keyboard attached to a ServSwitch CX user port.
User Name:
Password:
The main menu will be displayed:
Port 1 login
Esc-Scr Save
SERVSWITCH CX
Computer
Port
01
IMPORTANT: When supplied, ServSwitch CX units have their
security features disabled, which means that any attached users
have access to all connected servers and all ServSwitch CX settings.
You are strongly recommended to enable the ‘Security’ feature
and set an access password for the ADMIN account.
Computer 1
Computer 2
Computer 3
Computer 4
Computer 5
Computer 6
Computer 7
Computer 8
User port 1
ADMIN
02
03
04
05
06
07
08
Default names for
each server port
Port numbers
Identification of
this user port
Connection status
of this user port
Status
SHARED USE
Your Login name
Assistance for
keypress options
F1-More menus F3-Find
F2-Adj.Video F4-Logout
To access the configuration menu (global users)
Once the IP settings have been made (and the ServSwitch CX with IP
unit is network connected), global users can access the configuration
menu using a different method.
2 Press
To display the Configuration Menu:
SERVSWITCH CX
Configuration Menu
Functions
1 Use either the VNC viewer or a standard web browser to make
remote contact with the ServSwitch CX with IP – see Global user
access for more details.
Routing status
User Preferences
Global Preferences
Setup Options
2 If the username entry is not blanked out, enter ‘admin’ or another
login username. Then enter the admin password (if no password
is set, then just press
). Once logged in, the ServSwitch CX
Edit Computer List
Edit User List
with IP will show the video output from the host system (if one is
connected), or otherwise a ‘No Signal’ message.
EditAutoscan List
F1-More menus
Enter-Select
Esc-Quit
FirmwareVersion 1.02
3 Click the ‘Controls’ button and select the ‘KVM Switch menu’
option. All options appropriate to the entered username will be
displayed.
3 Use the
and
keys to highlight an option, then press
to select.
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Configuration menus layout
General security and configuration steps
The menu options are arranged as shown here:
To enable general security
Configuration Menu
Functions
Restore Standard Mouse
Restore Intellimouse
Power Control
2 Highlight ‘Setup Options’ and press
3 Highlight ‘Security’ and press
.
Configure IP port
Unit Configuration
to select ‘ENABLED’.
Reset to Factory Defaults
Send Data to RS232 port
Read Data from RS232 port
Network Configuration
Modem Configuration
Reset Configuration
4 Now create a new password for the ADMIN user account.
ServSwitch CX with IP only
Routing status
To set an ADMIN password
User Preferences
OSD Colour
Reminder Banner
Reminder Colour
Screen Saver Type
Confirmation Box
2 Highlight ‘Edit User List’ and press
.
3 Highlight ‘ADMIN’ and press
name ‘ADMIN’ without change.
. Press
again to accept the
Global Preferences
Mouse Switching
Screen Saver
Autoscan Mode
Autoscan Period
OSD Dwell Time
User Timeout
4 Enter an appropriate password for the ADMIN user account
with regard to the following:
• The password can be up to 12 characters long.
RS232 Mouse Type
Mouse Type
• The password can use letters, numerals and/or certain
punctuation marks.
Setup Options
Security
Language
Hotkeys
• The password is not case sensitive.
5 Press
However, as the ADMIN account always has access to all
servers, press again to save the new password.
. The ‘Edit Access Rights’ menu will be displayed.
Keypad Controls
Exclusive Use
Automatic Logout
Edit Computer List
Edit User List
Edit Autoscan List
(F1) Advanced Options
To change the hotkeys
ServSwitch CX units use
These can be changed if they clash with other software or
hardware within the installation.
DDC Options
Power Control
and
as their standard hotkeys.
For a description of each option within the Configuration menus, see
Appendix 1 for more details.
2 Highlight ‘Setup Options’ and press
.
3 Highlight ‘Hotkeys’ and press
to select the required
hotkey combination. The options are: CRTL+ALT, CTRL+SHIFT,
ALT+SHIFT, ALT GR, LEFT ALT+RIGHT ALT, LEFT CTRL+LEFT ALT,
RIGHT CTRL+RIGHT ALT or DISABLED.
4 Press
to return to the ‘Configuration Menu’.
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Registering users (edit user list)
To create/edit user accounts
5 Press
to display the ‘Edit Access Rights’ menu.
ADMIN user.
SERVSWITCH CX
2 Highlight ‘Edit User List’ and press
.
Edit access rights
+
+
+
Computer 1
01
02
03
04
05
06
07
08
SERVSWITCH CX
Edit User List
admin
Robert
Oliver
Johnny
Sam
Computer 2
Computer 3
Computer 4
Computer 5
Computer 6
Computer 7
Computer 8
Space-Toggle
F1-All
Cross markers indicate which servers
will be accessible to the currently
selected user. To change the
permission state: Highlight a server
and press the space bar.
+
+
Enter-Save
F2-None
F3-Find
Ins-Add
F1-Clone
-Select
Del-Delete
Enter-Edit
Esc-Quit
Here you can determine which of the connected servers can be accessed by
the selected user account. Only servers that show the ‘+’ marker to the right
of the menu box will be accessible to the user account.
Esc-Quit
3 Either:
to talk to one another) ensures that users without access rights to particular
servers cannot move sideways to those servers via other servers.
• Create a new account - Press , enter a new user name and press
,
or
• Edit an existing account - Highlight the required user name and press
Note: Access rights for user accounts to particular servers can also be
controlled from the ‘Edit Server List’ menu.
Edit the name, if appropriate, and/or press
.
4 Enter or edit the password with regard to the following:
• The password can be up to 12 characters long.
6 Select and deselect servers as follows:
• Individual server - Highlight a server name, then press
to apply, or
• The password can use letters, numerals and/or certain punctuation
marks.
remove, a ‘+’ marker.
• Access to all servers – Press
• Access to no servers – Press
• The password field can remain blank to allow open access to this
account.
7 When all settings have been made, press
return to the ‘Configuration Menu’.
to save and exit. Press
to
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Registering servers (edit computer list)
To create/edit server entries
5 When the port address is complete, press
will be displayed.
. The ‘Edit access rights’ menu
ADMIN user.
2 Highlight ‘Edit Computer List’ and press
.
SERVSWITCH CX
Edit access rights
admin
Robert
Oliver
Johnny
Sam
SERVSWITCH CX
Edit Computer List
Cross markers indicate which
+
+
+
uers will be granted access to the
currently selected server. To change
the permission state: Highlight a
user name and press the space bar.
Computer 1
Computer 2
Computer 3
Computer 4
Computer 5
Computer 6
Computer 7
Computer 8
Ins-Add
01
02
03
04
05
06
20
Space-Toggle
F1-All
Enter-Save
F2-None
F3-Find
414203
Del-Delete
Enter-Edit
F3-Find
F1-Clone
Esc-Quit
-Select
Esc-Quit
Here you can determine which users should have access to the created/
edited server. Only users that show a ‘+’ marker to the right of the menu
box will be granted access to the server.
3 Either:
• Create a new server entry – Press
and enter a new name, or
to talk to one another) ensures that users without access rights to particular
servers cannot move sideways to those servers via other servers.
• Edit an existing server entry – Highlight a server name and press
Press (Backspace) to delete existing characters and enter the
required new name (up to 16 characters).
4 Press and the cursor will move to the server port column on the right
.
Note: Access rights for particular user accounts to servers can also be
controlled from the ‘Edit User List’ menu
side. Change or enter the port address of the server as required. See the
Addressing servers in a cascade section for more details.
6 Select and deselect users as follows:
• Individual user - Highlight a user name, then press
to apply, or
remove, the ‘+’ marker.
• Allow access for all users – Press
• Allow no user access (except ADMIN) – Press
6 When all settings have been made, press
return to the ‘Configuration Menu’.
to save and exit. Press
to
Tips when creating/editing server entries
• Avoid creating two names for the same computer port.
• When cascading to other units, do not apply individual names to any ports
that are forming a link group to another switch (i.e. ports 1, 2, 3 & 4 when
they form link group 41).
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Video compensation
It is important to note that, providing the cabling arrangements do not change,
the various video compensations need to be applied only once to each server
or remote user link. During operation, control of video compensation is fully
automatic. Please take into account the following when configuring links:
The ServSwitch CX units allow server systems to be placed up to 50m (160
feet) away and remote users to be extended by a maximum of 300m (980
feet). Such long cable lengths can affect video signals, especially when higher
screen resolutions are used. In order to eliminate any video signal degradation,
all ServSwitch CX units and accompanying ServSwitch CX Remote extenders
provide effective software-based video compensation features.
• The ServSwitch CX stores a video compensation setting for each server
which defines the level of compensation that is applied whenever the server
is selected. This “server video compensation” setting is to correct for any
video clarity loss due to the CATx cable between the ServSwitch CX unit and
the server’s SAM.
Two main types of video compensation are provided within the ServSwitch CX
installation, these are:
• Server video compensation - operates on video signals between each
server system and the ServSwitch CX unit. See Server video compensation
for details.
• CATx cables below 10m (30 feet) give very little loss and so it is not normally
necessary to be concerned about setting any server video compensation if
short CATx cables are being used between the ServSwitch CX and the SAM
for each server.
• Remote user video compensation - operates on video signals between
each remote user(s) and the ServSwitch CX unit. See Remote user video
compensation for details.
• “Server video compensation” may be setup by typing in the cable distance
in the OSD or, if very fine video adjustment is desired, by observing the video
picture on the local (user 1) port whilst making adjustments.
Remote user
video
compensation
Server
video
compensation
• If a cascade of switches is being used, server video compensation only needs
to be applied at the master ServSwitch CX.
• “Remote user video compensation” compensates for and CATx cable
loss introduced by the cable between the ServSwitch CX remote and the
ServSwitch CX. The required video compensation setting does not vary as
any “server video compensation” is automatically added as different servers
are selected. This only needs to be setup once during installation.
®
®
REMOTE
USER
SERVER
SYSTEM
SAM
CX R
724-746-5500
300 metres (980 feet)
maximum
50 metres
(160 feet)
maximum
Overall maximum length between any remote user and
any server system must not exceed 300 metres (980 feet)
Note: For installations where both servers and remote users require video
compensation, always ensure that the servers are compensated first.
• A third type of video compensation is provided by Black Box ServSwitch
CX remote AS/R extender modules only. This type of compensation is called
Skew adjustment and combats the effect of uneven twisted pairs within link
cables.
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Server video compensation
The video compensation for connected servers is achieved using the main menu.
Although the compensation can be applied from any local, remote or global
user port, it is best achieved using the local user port because this provides the
most direct view of the server output. The compensation is achieved simply
by registering the link cable length, however, different cables can vary in their
characteristics so it is often useful to ‘fine tune’ the compensation by eye.
Note: CATx cables below 10m (30 feet) give very little loss and so it is
not normally necessary to be concerned about setting any server video
compensation if short CATx cables are being used between the ServSwitch CX
and the SAM for each server.
To apply server video compensation
1 Place a server (connected via its SAM and category 5, 5e or 6 cable) into the
highest resolution video mode at which it will be used.
5 Use
and
to increase or decrease the stated cable length, as required.
Note: As you adjust the Length value, check the video image for signs of
under- or over- compensation, especially to the right hand side of any hard
vertical edges of images.
2 If possible, use a monitor and keyboard connected to the ServSwitch CX
local user port.
3 Display the ServSwitch CX main menu and use it to select the appropriate
server.
6 When the correct compensation has been applied, press
screen and save the settings.
to quit the
Note: You must highlight the server name and press
to select it.
4 Press
to access the compensation feature:
SERVSWITCH CX
Computer
Port
01
Ensure that the appropriate server is
marked by the arrow - if it is not marked,
the server is not correctly selected and the
compensation will not be applied.
Computer 1
Computer 2
Computer 3
Computer 4
Computer 5
Computer 6
Computer 7
Computer 8
02
03
04
05
06
07
08
The value in the green area indicates the
currently selected cable length.
Length
-Length
004m
Home-Default
Esc-Quit
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Remote user video compensation
To apply remote user video compensation
1 Ensure that the video image from the server to be used has been correctly
compensated. See Server video compensation for details.
Video compensation for each remote user is provided by their ServSwitch CX
Remote modules, not by the ServSwitch CX unit itself. Using the ServSwitch CX
Remote controls you can adjust the picture sharpness and brightness to improve
the remote picture quality.
2 On the remote user keyboard (connected to an ServSwitch CX Remote
extender), simultaneously, press the hotkeys (by default,
with to enter configuration mode.
and
) along
Note: Accurate remote user compensation relies upon visual feedback from the
screen image. It is therefore vital to ensure that the video images being sent out
from the ServSwitch CX are as ‘true’ as possible. Ensure, using the local user
port, that the video images received from the servers are correctly compensated
BEFORE attempting to adjust the remote user(s).
The three keyboard indicators (‘Num Lock’, ‘Caps
Lock’ and ‘Scroll Lock’) will now begin to flash in
sequence. The speed of the sequence indicates the
level of the sharpness adjustment currently applied:
the slower the rate, the lower the level of sharpness
being applied.
Video compensation is best carried out when viewing high contrast images with
vertical edges, such as black lines on a white background. When doing so, if you
notice that the screen image is ‘fuzzy’ or ‘dark’ then the image controls may not
be able to solve this condition.
3 While viewing the displayed screen image, use the following keys to adjust
the controls:
Note: If the high contrast images exhibit shadows with separate colours, then
there may be a skew problem which requires a different image adjustment
(provided only by ServSwitch CX Remote AS/R modules) - see the Remote user
skew adjustment section for details.
Sharpness:
for fine adjustment,
There are 255 sharpness levels (one coarse step jumps 10 levels).
To autoset sharpness: Press to make the module
calculate and apply an automatic compensation level - you can
use this as a starting point for your fine tuning.
for coarse adjustment.
To display a suitable high contrast image
The best way to clearly view the effect of sharpness and brightness adjustments
is to display a high contrast image, with vertical
edges, on the screen.
Note: If the monitor goes blank and switches off (due to oversetting
the sharpness adjustment) press the Home key to restore.
Brightness:
for adjustment. There are 255 brightness levels.
• Open a word processor, type the capital letter
‘H’, or ‘M’ and increase the point size to 72
or higher. For best results, the background
should be white and the character should be
Sharpness
increase
(coarse)
Restore default
sharpness and
brightness
Sharpness
decrease
(coarse)
settings
High contrast
black character
on white
Black or bright
white shadow
on the right
indicates
the need for
sharpness
black.
• A BLACK shadow on the right of the
character indicates UNDER compensation.
Sharpness
increase
(fine)
background
Exit image
controls
and save
settings
Brightness
increase
• A WHITE shadow on the right of the
character indicates OVER compensation.
adjustment
Note: The Word processor method is accurate and quick. However, for the very
finest video compensation, use the latest “skew” test pattern program which
shows both the skew pattern and a section of mixed size Hs (black on white and
white on black).
Sharpness
decrease
(fine)
Brightness
decrease
If the image controls cannot provide a crisp image
4 When no shadows are visible and the displayed images have crisp edges,
press to exit configuration mode and permanently save all settings.
If, after adjusting the image controls, one or more screen images remain
fuzzy or have coloured shadows you may need to use the Skew adjustment
CX Remote AS/R module only).
The new compensation settings will be stored, even when power is removed
or if a complete reset is initiated. These settings should not require further
changes unless the cabling arrangements are altered.
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Remote user skew adjustment
The category 5, 5e and 6 cabling supported by the ServSwitch CX consists of four
pairs of wires per cable. Three of these pairs are used to convey red, green and
blue video signals to the remote video monitor. Due to the slight difference in
To use skew adjustment
1 Display a skew pattern on the appropriate server. You can either use the
supplied skew pattern or create your own:
twist rate between these three pairs, the
1 2 3 4 5 6 7 8
Using the supplied skew pattern
i Insert the supplied Installation CD-ROM into the CD player of the server.
red, green and blue video signals may not
arrive at precisely the same time. This is
visible as separate colour shadows on high
contrast screen images and is particularly
apparent when using higher screen
resolutions and some types of category 5e
cables.
ii Within Windows, use the My Server
option (usually available as a desktop icon
or within the Start menu) to view the
contents of the CD-ROM. Double-click
the Skew entry to display the standard
8
7
8
7
Data signal
test pattern. If necessary, maximise the
application window so that the image fills
the screen.
can be seen out of
The screen will show a series of fine red,
line with the other
green and blue crosses which should all
be in line, vertically and horizontally. Skew
affects the horizontal placement of the colours and using this pattern it is
much easier to discover which, if any, colours are being adversely affected
by the cable link.
To alleviate this situation, the ServSwitch
CX Remote AS/R module provides internal
skew adjustment that can help to rectify
the situation. The skew adjustment works
by delaying or advancing the timing
Convergence test
pattern showing the
RGB crosses. In this
case, the green signal
6
3
6
3
Red
video signal
5
4
5
4
Green
video signal
two colours.
2
2
Blue
video signal
of any of the red, green or blue colour
signals so that they are all delivered to
the monitor at precisely the same time. For best results, the “skew” program
supplied on the disk or obtainable from Black Box support is the most accurate
way of setting skew as the red, green and blue lines are rendered exactly on the
screen as single pixel wide lines. The skew.bmp test pattern can also be used but
it is less accurate. Alternatively, you can create your own skew pattern using a
standard image creation package, as detailed opposite.
Creating a skew test pattern
i Run any image creation/editing application, such as the Paint program
supplied with Windows.
ii Using the image application create three
stacked horizontal rectangles (one red,
one green and one blue) that fill the
width of the screen.
iii Draw a vertical black line down across
the coloured bars and then repeat this
vertical line at intervals along the width
of the coloured bars. These lines create
breaks across the colours and give you
more opportunities to view the horizontal
position of each colour relative to the others.
2 On the remote user keyboard (connected to an ServSwitch CX Remote AS/R
extender), simultaneously, press the hotkeys (by default,
with to enter configuration mode.
and
) along
The three keyboard indicators (‘Num Lock’,
‘Caps Lock’ and ‘Scroll Lock’) will now begin
to flash in sequence.
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3 As appropriate, press either the R, G or B keyboard keys to
select the appropriate colour channel. Corresponding
keyboard indicators will flash rapidly to show which
channel is currently selected for adjustment:
Num Lock for Red, Caps Lock for Green and
Scroll Lock for Blue.
4 Press the
and
keys to retard or advance the timing of the selected
colour channel respectively. On screen you will see a change in the position
of the selected colour crosses (or colour bars) in relation to the other two.
Restore
default
skew
settings
Exit image
controls
and save
settings
Advance
colour
timing
Retard
colour
timing
5 When the selected colour crosses (or colour bars) are correctly positioned,
press to exit that colour channel. The keyboard indicators will return to
flashing in sequence.
6 If required, repeat steps 3 to 5 to select and adjust any colour channel until
the vertical lines of the red, green and blue crosses are all aligned.
7 When all colours are correctly aligned on all video channels, press
configuration mode and permanently save all settings.
to exit
Note: Once you have made the skew adjustments, it may be necessary to
re-adjust the image controls to attain optimum screen images.
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Autoscanning
The ServSwitch CX provides an autoscan mode that switches between
the connected servers in sequence. This mode is useful to allow users and
administrators to sample activity among the connected machines. Three
scanning modes are provided:
To select an autoscan mode
ADMIN user.
2 Highlight ‘Global Preferences’ and press
.
• Scan list – Only servers declared within an autoscan list will be viewed.
3 Highlight ‘Autoscan Mode’ and press
until the required option is
Servers connected to cascaded switches can be included in the autoscan list.
displayed: SCAN LIST, ACTIVE PCs or ALL PCs.
• Active PCs – Only computer ports where an active server is detected will be
viewed. This mode avoids blank screens from being displayed and helps to
prevent the viewing monitor from entering a power-down state on every
scan cycle. Servers connected to cascaded switches will not be viewed in this
mode.
To select an autoscan period
ADMIN user.
2 Highlight ‘Global Preferences’ and press
.
3 Highlight ‘Autoscan Period’ and press
until the required time to view
• All PCs – This mode visits, in turn, each server that is connected directly to
the ServSwitch CX. This mode should be used with care due to the reasons
given in the warning below. Servers connected to cascaded switches will not
be viewed in this mode.
each server is displayed, ranging from 2 seconds to 5 minutes.
To define an autoscan list
Note: This stage is required only when the ‘Scan List’ autoscan mode is selected.
The scanning mode is a global setting and hence will be the one viewed by any
user who selects
on their keyboard. Note, however, that users will
ADMIN user.
only see the scanned servers to which they have access rights. Hence, if two
users (with various access rights) simultaneously view an autoscan, they will see
differing results depending upon their respective permissions.
2 Highlight ‘Edit Autoscan List’ and press
. A list of all connected servers
will be displayed. Only servers that show a ‘+’ marker to the right of the
menu box will be autoscanned.
WARNING: Many monitors are fitted with automatic power saving relays
that switch off after a few seconds when connected to an inactive server.
If you are using such a monitor, do not set the ServSwitch CX to the scan
‘ALL PCs’ mode. Continual switching on and off of the monitor’s relay will
eventually damage the monitor. If using such a monitor in conjunction
with the ‘Scan List’ option, ensure that all selected servers are active.
3 Select and deselect servers to scan as follows:
• Individual server - Highlight a server name, then press
remove, the ‘+’ marker.
to apply, or
• Mark all servers for scanning – Press
• Unmark all servers – Press
.
.
There are up to three steps that need to be configured to use autoscanning
4 When all settings have been made, press
return to the ‘Configuration Menu’.
to save and exit. Press
to
• Select the autoscan mode: Scan List, Active PCs or All PCs.
• Select the autoscan period. This is the time that is spent viewing each server.
To view autoscan
• At one of the user ports, press
This step also enables and disables the autoscan feature.
.
• Define the autoscan list. This step is only required when the Scan List option
Note:
with other devices or software. If you change the hotkeys, remember to use the
new ones in place of and when following these instructions.
and
is selected and allows you to select which servers will be scanned.
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Saving and restoring configuration settings
To edit the configuration settings
The ServSwitch CX can store up to 512 server names and 16 sets of user access
rights (ServSwitch CX with IP models support a maximum of 128 servers).
Particularly in cascaded configurations, manually re-entering all server names,
port numbers and access rights can be a lengthy process. Therefore, the
ServSwitch CX provides a method to save and, if required, restore configuration
settings using one of its serial ports. Further to this, the saved file can be opened
and edited within a spreadsheet and then restored back to the ServSwitch CX
– a useful way to make multiple setup changes.
The saved XPRODATA.CSV file can be opened using a spreadsheet program such
as Microsoft® Excel®. The format of a typical file is shown below. You will see
that the server names (rows) are tabulated against the user profiles (columns):
USERS
ADMIN
Alan
Jim
Sue
Test
PASSWORDS
ServerS
password letmein hello logmein Test
PORT
Admin PC
2103
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Note: You must be logged-in as the ADMIN user for this procedure.
Alan’s System
Comms Server
Comms PC
Gateway 1
Gateway 2
Test System
Web Browser
2102
Preparations for configuration save/load
• Contact Black Box support and obtain the files XPREAD.EXE and XPWRITE.
3
4
1
1
EXE.
8
• Connect the serial port on the rear panel of the ServSwitch CX, labelled
COM1/UPGRADE, to a serial port on your server using the optional serial
specifications.
5
15
9
1
1
To save configuration settings
Hints for editing
1 Run the program XPREAD.EXE on the server that is connected to the
ServSwitch CX’s serial port. Follow the instructions given by the program.
• To grant a user access to a server, enter the value ‘1’ in the box that is
common to the server’s row and the user’s column.
• To deny access, leave the box blank.
• To add extra users, add additional columns (up to 16 users).
• To add extra servers, add additional rows (up to 512 [128 for IP models]).
3 Highlight ‘Functions’ and press
.
4 Highlight ‘Send Data to RS232 port’ and press
.
• The ADMIN user will always be granted access to all servers regardless of the
values entered.
5 The ServSwitch CX will send the configuration data to your server. The
XPREAD program will store the data in a file named ‘XPRODATA.CSV’ that
will be created in the same directory where the XPREAD program was
started - Ensure that you have sufficient rights to write to this directory.
To restore configuration settings
Note: Ensure that the server is connected to the ServSwitch CX as discussed
earlier in the ‘Preparations’ sub section.
1 Copy the program XPWRITE and XPRODATA.CSV into the same directory on
the server connected to the ServSwitch CX’s serial port.
2 Run the program XPWRITE.EXE and follow the instructions given by the
program.
4 Highlight ‘Functions’ and press
.
5 Highlight ‘Read Data from RS232 port’ and press
.
6 The ServSwitch CX should then receive the configuration data from the
server and load the new menu names and access rights into the menu.
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What to do if the ADMIN password has been forgotten
If the ADMIN password becomes mislaid or forgotten, you will not be able to
access the ServSwitch CX to add or edit users and server names. This situation
may be resolved by performing a complete reset to return the ServSwitch CX or
CX with IP to its factory default state.
IMPORTANT: A complete reset erases all the user names and server names
that you have setup.
Slightly different procedures are used to reset the ServSwitch CX and the
ServSwitch CX with IP, as detailed here.
To reset ServSwitch CX models
To reset the ServSwitch CX with iP models
1 Remove all power inputs from the ServSwitch CX unit.
1 Remove all power inputs from the ServSwitch CX with IP unit.
2 Move switch ꢂ on the rear panel down to the ON position.
2 Move switch ꢁ on the rear panel down to the ON position.
3 Press and hold the front panel USER and COMPUTER buttons while you re-
apply power. On the local user port, a screen menu will indicate that the unit
has been reset and will prompt you to power down and return the switch to
its normal position.
3 Re-apply power to the unit. On the local user port, a screen menu will
provide two options.
4 Using the local keyboard or mouse, select the ‘Reset Configuration’ option.
A warning screen will be displayed, select the RESET option and press
The unit will reset and then prompt you to work through the initial IP
.
4 As directed, remove power and move switch ꢂ up to its OFF position.
5 Power up and configure the unit in the normal manner.
5 After you have completed the initial IP configuration, remove power and
move switch ꢁ up to its OFF position.
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Hot plugging and mouse restoration
To restore mouse operation when hot plugging:
1 Using a suitable SAM (Server Access Module) and category 5, 5e or 6 link
cabling, carefully make the connections between the keyboard, monitor,
mouse (and audio) sockets of the server and the required ServSwitch CX
port.
It is strongly recommended that you switch off a server before attempting to
connect it to the ServSwitch CX. However, if this is not possible then you need
to ‘hot plug’ the server while it is still running. There is not normally a danger of
damage to the server, however, when mouse communications are interrupted,
often they fail to re-initialise when reconnected. The ServSwitch CX provides
a feature to reinstate mouse communications once the necessary connections
have been made.
There are two main types of data formats used by current PC mice, these are
the older ‘PS/2’ or ‘standard mouse’ format and the more recent ‘IntelliMouse®’
format introduced by Microsoft. These use slightly different data arrangements
and it is important to know which type was being used before you hot-plugged
the server to the ServSwitch CX. The previous setting depends both on the
type of mouse and the type of driver, as various combinations of PS/2 and
IntelliMouse are possible. Using the incorrect restore function may produce
unpredictable results and require the server to be re-booted.
3 Highlight ‘Functions’ and press
.
4 As appropriate, highlight one of the following options:
• Restore Standard Mouse – if PS/2 mode is required, or
• Restore IntelliMouse – if IntelliMouse mode is required.
Then press
.
5 Move the mouse a short distance and check for appropriate on-screen
cursor movement. If the mouse cursor darts erratically around the screen,
then cease moving the mouse. This is an indication that the chosen restore
function is incorrect. Try again using the other restore function.
Which restore setting do I use?
The general rule is that unless both the mouse and the driver are both
IntelliMouse compatible then you need to restore the mouse as ‘PS/2’. An
IntelliMouse can operate in either mode, whereas a PS/2 mouse cannot.
Note: The restore functions predict the likely mouse resolution settings but
may not restore the exact speed or sensitivity settings that were originally
set.
Recognising an IntelliMouse-style mouse
The IntelliMouse format was introduced to support, among other features, the
scroll wheel function. If the mouse has a scroll wheel, then it is likely to support
the IntelliMouse format. If it is a Microsoft-branded mouse, then it will usually
state that it is an IntelliMouse on its underside label.
Recognising an IntelliMouse driver
Before hot plugging to the ServSwitch CX (or afterwards using only keyboard
control), access the Windows Control Panel of the server and select either
the Mouse option (on Windows NT, 2000 and XP) or the System option (on
Windows 95, 98, ME). Look for the name of the driver, which will usually
include the words PS/2 or IntelliMouse.
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Initial IP configuration
To use the initial IP-configuration sequence
Set the options in each screen and then select Next to proceed.
IP models of the ServSwitch CX family possess a further collection of
configuration options related specifically to IP networking. It is important that
the options are correctly set up for your installation BEFORE being connected to
an open IP network.
SERVSWITCH CX
Unit Config
Admin password
Enter a password of at least six characters that has a mix
of letters and numerals. The background colour provides
an indication of password suitability and is initially red
to indicate that the password is not sufficient. When a
password with reasonable strength has been entered it
will change to green.
Hardware
Firmware
Keyboard
Admin Pwd
Unit Name
Time
Rev 1
1.0b7
UK
To configure IP-specific settings
1 From a local user port (for security reasons, the IP configuration option
cannot be accessed from remote user ports), log on as ‘admin’ user.
ꢀ
11 : 14 : 44
27 Apr 2006
Prefer Off
Date
Encryption
Time and Date
2 Press
3 Press
(hotkeys can be changed).
to select ‘More menus’.
Set these correctly as all entries in the activity log are time
stamped using them.
Screen 1 of 5
-Up -Down
Next
Space-Toggle
Encryption
4 Select ‘Functions’ and then select ‘Configure IP port’.
and the settings.
• If the unit is being configured for the first time or following a reset,
the unit will display the first of five screens, as shown opposite
SERVSWITCH CX
Use DHCP/IP address/Net Mask/Gateway
You need to either set the DHCP option to ‘Yes’ or
manually enter a valid IP address, Net mask and Gateway.
Network Config
MacAddr
Use DHCP
IPAddress
Net Mask
Gateway
00:0F:58:40:07:FE
No
• If the unit has been previously
IP-configured it will display the
IP Configuration menu, as
192.168.1.22
255.255.255.0
VNC and HTTP ports
These should remain set to 5900 and 80, respectively,
unless they clash with an existing setup within the
ꢁ
VNC Port
5900
80
shown below
HTTP Port
Screen 2 of 5
Next
SERVSWITCH CX
Configuration
Unit Configuration
Enter-Edit
-Up -Down
Space-Toggle
Network Configuration
Modem Configuration
SERVSWITCH CX
Modem Config
Modem/ISDN port details
Reset Configuration
The default items here are perfectly adequate for
the majority of modem and ISDN terminal adapter
installations.
Server IP
Client IP
Baud Rate
InitString
192.168.3.1
192.168.3.2
115200
ATZS0=1
Back
The Server IP and Client IP addresses are used to form an
isolated two-device PPP network connection via the dial
up link. Their settings are not related to any other ‘real’
network settings within the ServSwitch CX with IP unit.
Enter-Select
-Up -Down
Esc-Exit
ꢂ
Initialize Port
Restore Defaults
Screen 3 of 5
Next
Enter-Select
-Up -Down
Esc-Exit
Space-Toggle
SERVSWITCH CX
Secure Keys
Secure keys generation
With every mouse move and keypress, the single dash will
move across the screen (unless the same key is pressed
repeatedly). Periodically, a new star character will be
added to the bar as the random data are accepted as
part of the new encryption key. When the bar is full, the
final encryption keys for your ServSwitch CX with IP will
be created – this process takes roughly 30 to 40 seconds.
Once the secure keys have been calculated the ServSwitch
CX with IP will show the IP configuration menu.
Random data is required to
generate encryption keys for
secure VNC access.
Please move the mouse or
press keys until the bar
becomes full.
ꢃ
– – – – – – – – – – – – –
Screen 4 of 5
Note: Screen 5 of 5 is
displayed while the secure
keys are being generated.
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IP configuration by global user
To configure IP details from a global user location
1 Use either the VNC viewer or a standard web browser to make remote
more details.
Once the basic IP-related features have been configured using the ServSwitch CX
with IP configuration menus, further changes can be made by authorised global
users via the VNC interface. There are two main ways to use the VNC interface
to access the ServSwitch CX with IP unit:
2 If the username entry is not blanked out, enter ‘admin’. Then enter the
downloadable from the RealVNC website or even downloadable from the
ServSwitch CX with IP itself.
admin password (if no password is set, then just press
). Once logged in,
the ServSwitch CX with IP will show the video output from the host system
(if one is connected), or otherwise a ‘No Signal’ message.
or
3 Click the Configure button in the top right
hand corner of the window to display the main
contact, the ServSwitch CX with IP provides the option to download a Java
application to it. This allows a viewer window to be opened and operation
to commence just as it would with the VNC viewer application.
configuration page
Allows you to create and manage up to sixteen separate user
accounts, each with separate access permissions.
Allows you to alter both basic and fundamental
settings within the ServSwitch CX with IP.
Allows you to configure all aspects relating to time keeping
within the ServSwitch CX with IP unit.
Here you can alter any of the existing network settings plus you
can take advantage of the IP access control feature that lets you
to specifically include or exclude certain addresses or networks.
Lets you setup or alter the details concerning
the modem and power control serial ports.
Allows you to configure user access, hot key switching and
power control codes for up to 128 host systems that may be
connected to the ServSwitch CX with IP via other cascaded units.
Shaded items signify
options that are not
available via the standard
Provides various details about the user
For more information about each page, please see Appendix 2 -
activity on the ServSwitch CX with IP.
configuration menus.
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Encryption settings
The ServSwitch CX with IP offers a great deal of flexibility in its configuration
and this extends equally to its encryption settings that are used to prevent
unauthorised interception of signals. Due to the variety of situations in which
the ServSwitch CX with IP might be used and the range of viewer applications
that need to view it, a number of settings are available. The encryption settings
to use depend upon how the potential global users will operate.
Important factors to consider when setting these options might be:
• Do all global user connections and operations require encryption?
• Will some global users be using older VNC viewer versions?
ServSwitch CX with IP encryption settings
The ServSwitch CX with IP configuration menu offers three encryption settings:
• Always on - This setting will force all viewers to use encryption. Note:
This setting will preclude any VNC viewer versions that do not support
encryption.
• Prefer off - This setting does not enforce encryption unless a viewer
specifically requests it. If a viewer has its ‘Let server choose’ setting, then an
un-encrypted link will be set up.
• Prefer on - This setting generally enforces encryption unless an earlier
viewer version is unable to support it, in which case the link will be un-
encrypted. If a viewer has its ‘Let server choose’ setting, then the link will be
encrypted.
Viewer encryption settings
The web browser viewers and VNC viewers (of level 4.0b5S or higher) offer four
encryption settings:
• Always on - This setting will ensure that the link is encrypted, regardless of
the ServSwitch CX with IP encryption setting.
• Let server choose - This setting will follow the configuration of the
ServSwitch CX with IP. If the ServSwitch CX with IP has ‘Always on’ or ‘Prefer
on’ set, then the link will be encrypted. If the ‘Prefer off’ setting is selected
at the ServSwitch CX with IP, then the link will not be encrypted.
• Prefer off - This setting will configure an un-encrypted link if the ServSwitch
CX with IP will allow it, otherwise it will be encrypted.
• Prefer on - If the ServSwitch CX with IP allows it, this setting will configure
an encrypted link, otherwise it will be un-encrypted.
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Networking issues
Thanks to its robust security the ServSwitch CX with IP offers you great flexibility
in how it integrates into an existing network structure. The ServSwitch CX with
IP is designed to reside either on an internal network, behind a firewall/router or
alternatively with its own direct Internet connection.
Positioning ServSwitch CX with IP in the network
Every network setup is different and great care needs to be taken when
introducing a powerful device such as the ServSwitch CX with IP into an existing
configuration. A common cause of potential problems can be in clashes with
firewall configurations. For this reason the ServSwitch CX with IP is designed
to be intelligent, flexible and secure. With the minimum of effort it can
reside either behind the firewall or alongside with its own separate Internet
connection.
Internet
Internet
Firewall/
router
Firewall/
router
COMPUTER
1
2
3
4
PWR
USER
V
N
C
1
0
0
D
A
T
LNK
AUX
COMPUTER
1
2
3
4
PWR
USER
V
N
C
1
0
0
D
A
T
LNK
AUX
Local
network
connection
CATx link
to host
server
CATx link
to host
server
Local
network
connection
SAM
SAM
ServSwitch CX with IP
situated behind the firewall
ServSwitch CX with IP
situated alongside the
firewall
IMPORTANT: When the ServSwitch CX with IP is accessible from the public Internet
employed.
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Placing ServSwitch CX with IP behind a router or firewall
A possible point of contention between the ServSwitch CX with IP and a firewall
can occasionally arise over the use of IP ports. Every port through the firewall
represents a potential point of attack from outside and so it is advisable to
minimise the number of open ports. The ServSwitch CX with IP usually uses two
separate port numbers, however, these are easily changeable and can even be
combined into a single port.
If you need to change the VNC port number
If you change the VNC port to anything other than 5900, then each VNC viewer
user will need to specify the port address as well as the IP address. For instance,
if you set the VNC port to ‘11590’ and the IP address is ‘192.168.47.10’ then
VNC viewer users will need to enter:
192.168.47.10::11590
(Note the double colons that separate the IP address and port number).
IMPORTANT: The correct configuration of routers and firewalls requires
advanced networking skills and intimate knowledge of the particular network.
Black Box cannot provide specific advice on how to configure your network
devices and strongly recommend that such tasks are carried out by a qualified
professional.
The firewall/router would also need to be informed to transfer all traffic to the
new port number through to the ServSwitch CX with IP.
Addressing
When the ServSwitch CX with IP is situated within the local network, you will
need to give it an appropriate local IP address, IP network mask and default
gateway. This is achieved most easily using the DHCP server option which
will apply these details automatically. If a DHCP server is not available on the
network, then these details need to be applied manually in accordance with the
network administrator.
Port settings
of viewer:
• Port 80 for users making contact with a web browser, and
• Port 5900 for those using the VNC viewer.
The firewall/router must then be informed to route incoming requests to port
5900 or port 80 (if available) through to the local address being used by the
ServSwitch CX with IP.
When these port numbers are used, VNC viewers and web browsers will locate
the ServSwitch CX with IP correctly using only its network address. The firewall/
router must be informed to transfer any traffic requesting these port numbers
through to the ServSwitch CX with IP.
When a web server is also on the local network
Port 80 is the standard port used by web (HTTP) servers. If the ServSwitch CX
with IP is situated within a local network that also includes a web server or any
other device serving port 80 then, if you want to use the web browser interface
from outside the local network environment, the HTTP port number of the
ServSwitch CX with IP may need to be changed.
Remote user with VNC viewer
accesses IP address: 129.7.1.10
and automatically uses port
Internet
5900.
When you change the HTTP port to anything other than 80, then each remote
browser user will need to specify the port address as well as the IP address. For
instance, if you set the HTTP port to ‘8000’ and the IP address is ‘192.168.47.10’
then browser users will need to enter:
ServSwitch CX with IP has a
local address and net mask,
i.e.
Firewall/router address:
ꢀꢁ9.ꢆ.ꢀ.ꢀ0
http://192.168.47.10:8000
(Note the single colon that separates the IP address and the port number).
The firewall routes the
request from the VNC viewer
on port 5900 through to the
ServSwitch CX with IP at local
address 192.168.0.3
IP address: 192.168.0.3
Net mask: 255.255.255.0
The firewall/router would also need to be informed to transfer all traffic to the
new port number through to the ServSwitch CX with IP.
COMPUTER
1
2
3
4
PWR
USER
V
N
C
1
0
0
D
A
T
LNK
AUX
CAM
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To discover a DHCP-allocated IP address
Once a DHCP server has allocated an IP address, you will need to know it in
order to access the ServSwitch CX with IP via a network connection. To discover
the allocated IP address:
select ‘Save’. Once the page is saved, the ServSwitch CX with IP will contact
the DHCP server and obtain a new address.
2 Re-enter the same ‘Network configuration’ screen where the new IP address
and network mask should be displayed.
DNS addressing
As with any other network device, you can arrange for your ServSwitch CX with
IP to be accessible using a name, rather than an IP address. This can be achieved
in two main ways:
• For small networks that do not have a DNS (Domain Name System) server,
edit the ‘hosts’ files on the appropriate remote systems. Using the hosts file,
you can manually link the ServSwitch CX with IP address to the required
name.
• For larger networks, declare the IP address and required name to the DNS
server of your local network.
The actual steps required to achieve either of these options are beyond the
scope of this document.
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Placing ServSwitch CX with IP alongside the firewall
ServSwitch CX with IP is built from the ground-up to be secure. It employs a
sophisticated 128bit public/private key system that has been rigorously analysed
and found to be highly secure (a security white paper is available upon request).
Therefore, you can position the ServSwitch CX with IP alongside the firewall and
control hosts that are also IP connected within the local network.
Security can be further improved by using the following suggestions:
• Place the ServSwitch CX with IP behind a firewall and use the port numbers
to route the VNC network traffic to an internal IP address.
• Review the activity log from time to time to check for unauthorised use.
• Lock your server consoles after they have been used.
IMPORTANT: If you make the ServSwitch CX with IP accessible from the public
Internet or from a modem, care should be taken to ensure that the maximum
security available is activated. You are strongly advised to enable encryption and
use a strong password. Security may be further improved by restricting client
IP addresses, using a non-standard port number for access or limiting remote
access to dial up connections only.
A security white paper that gives further details is available upon request.
Ports
In this configuration there should be no constraints on the port numbers
because the ServSwitch CX with IP will probably be the only device at that IP
address. Therefore, maintain the HTTP port as 80 and the VNC port as 5900.
Addressing
Ensuring sufficient security
When the ServSwitch CX with IP is situated alongside the firewall, it will require
a public static IP address (i.e. one provided by your Internet service provider).
The security capabilities offered by the ServSwitch CX with IP are only
truly effective when they are correctly used. An open or weak password or
unencrypted link can cause security loopholes and opportunities for potential
intruders. For network links in general and direct Internet connections in
particular, you should carefully consider and implement the following:
More addressing information:
• Ensure that encryption is enabled.
• Ensure that you have selected secure passwords with at least 8 characters
and a mixture of upper and lower case and numeric characters.
• Reserve the admin password for administration use only and use a non-
admin user profile for day-to-day access.
• Use the latest Secure VNC viewer (this has more in-built security than is
• Restrict the range of IP addresses that are allowed to access the ServSwitch
• Add a further level of inherent security by restricting access only via modem
or ISDN dialup.
• Ensure that the server accessing the ServSwitch CX with IP is clean of viruses
and spyware and has up-to-date firewall and anti-virus software loaded that
is appropriately configured.
• Avoid accessing the ServSwitch CX with IP from public servers.
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Power switching configuration
Power control sequences
Power switch configuration comprises two main steps:
Note: The settings given below are for the EPS-S8 power switch - other power
switches may require different settings. Please refer to your power switch
documentation for details about codes required by other power switches.
• Configure the POWER CONTROL serial port to the same speed as used by the
page.
The structure of each power sequence (OFF and ON) is as follows:
• Configure power ON and OFF strings for each relevant host server.
Pxy=z\0D
For each power port there needs to be a valid ‘Power ON string’ and similarly an
appropriate ‘Power OFF string’. In each case, the strings are a short sequence of
characters that combine a port address and a power on or off value.
Where:
x is the switch box number,
y is the power port number,
z is ‘0’ for OFF or ‘1’ for ON, and
\0D represents Enter (or Carriage return).
If a particular server has more than one power input (and thus requires an
equivalent number of power ports to control them), collections of strings can be
combined to switch all of the required ports together as a group.
To configure the power sequences for each host server
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
Example 1
To switch ON port 5 of switch box 2, the code would be as follows:
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Host configuration’ option.
• Power sequence:
P25=1\0D
Example 2
4 Click a host entry to display a Host configuration dialog:
To switch OFF port 8 of switch box 3, the code would be as follows:
• Power sequence: P38=0\0D
For details about operating this feature, see Power switching (via
Operation chapter.
To control two or more ports simultaneously
You can control up to four power ports using a single sequence. This is done
using the same command structure as shown above, plus a delay command,
for each port. Immediately following a port command, insert the characters
‘\*’ before the next port command, and so on up to four ports. For instance, to
switch on ports 1 and 2 in the first power switch, the command line would be:
6 Enter the Power control sequences in the Power On and Power Off fields
7 Click OK to close the dialog and then click the Save button in the main Host
Configuration window to store the details.
P11=1\0D\*P12=1\0D
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The KVMADMIN utility
Particularly useful for complex ServSwitch CX configurations and the control of
remote installations, KVMADMIN is a powerful administration tool.
KVMADMIN is based upon the successful VNC viewer and uses the same
security system. Rather than a graphical interface usch as the standard viewer,
KVMADMIN uses command line control to provide the following administration
facilities:
• Discover and adjust the ServSwitch CX configuration, including host
systems,
• Save and restore the ServSwitch CX configuration,
• Set user names and passwords,
• Download the event log,
• Set custom video modes.
The use of KVMADMIN is strictly limited to the ‘admin’ user and for security
purposes it is not possible to retrieve user names or passwords from the
ServSwitch CX.
To use KVMADMIN you require the IP address and admin password of the
ServSwitch CX unit. The command line is as follows:
kvmadmin <command> <ip address> [<parameters>]
where <command> is one of the following:
• -setconfig <config-file>
• -getconfig <config-file>
• -setusers <csv-file>
• -getlog <log-file>
• -gethosts <csv-file>
• -sethosts <csv-file>
• -setmodes <csv-file>
For instance, the command line:
kvmadmin -getconfig kvm1.cfg 192.168.2.1
... downloads the current configuration from the ServSwitch CX unit at the
given address and stores it in the local file kvm1.cfg.
Whereas the command line:
kvmadmin -setusers users.csv 192.168.2.1
... configures the usernames and passwords for the same unit from the local file
users.csv.
For more information about KVMADMIN, please refer to the user notes supplied
with the utility.
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Performing upgrades
4 - Power on the ServSwitch CX
The ServSwitch CX and CX with IP units are fully reconfigurable via flash
upgrades, as are the individual Server Access Modules that are used to link all
host servers. The ServSwitch CX with IP models operate in a slightly different
manner to the non-IP models and so are upgraded differently:
Attach the power adapter to the ServSwitch CX. The USER display should
now show which indicates that the ServSwitch CX is ready to be
upgraded.
• ServSwitch CX models and Server Access Modules require a Windows-based
5 - Run the KVM Firmware Uploader utility
system to be linked via the COM1/UPGRADE port.
From that folder, select the KVMUploader icon to run the upgrade utility.
The KVM Firmware Uploader dialog will be displayed:
network-connected Windows-based server system.
Upgrading ServSwitch CX models and SAMs
The KVM Firmware Uploader utility is available from Black Box support and
allows you to check the current revision of the ServSwitch CX unit firmware as
well as every Server Access Module connected to it.
Items required to use the upgrade utility
pin-out specifications).
• A Windows-based upgrade system with an RS232 serial port.
• The latest version of the KVM Firmware Uploader and firmware files for the
ServSwitch CX - available from Black Box support.
To use the KVM Firmware Uploader utility
1 - Obtain and run the KVM Firmware Uploader.
Download the latest ServSwitch CX KVM Firmware Uploader from Black Box
and install it on a Windows-based upgrade server that will be connected
to the ServSwitch CX unt. The files are supplied as a compressed ZIP file.
Decompress the ZIP file with an appropriate tool such as WinZip (www.
winzip.com) and copy all contained files to the same folder on the upgrade
server.
6 - Query the ServSwitch CX unit
Click the Query Unit button to confirm that communication is possible with
the ServSwitch CX and to establish the firmware details of the main unit and
all connected SAMs.
2 - Power off the ServSwitch CX and select flash upgrade mode
Remove the power supply plug(s) from the rear panel of the ServSwitch
CX and move option switch 1 on the back of the ServSwitch CX to the ON
position (down).
Note: The server to which each SAM is connected must be powered before
the respective SAM can be accessed.
Note: ServSwitch CX units in lower levels of cascade links (and their
respective SAMs) cannot be queried or upgraded while remaining in the
cascade arrangement.
3 - Connect the upgrade server to the ServSwitch CX
Connect the upgrade server to the COM1/UPGRADE port on the rear panel of
the ServSwitch CX unit using the optional upgrade cable. You do not need
to set the serial baud rate and protocol because the upgrade program will
do this automatically.
If the application cannot contact the ServSwitch CX, recheck the connection
cable and click the Advanced... button to check that the correct serial port is
being used. Change the serial port within the Advanced section, if necessary.
continued
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The results of the unit query will be displayed in the Device/Dongle Selection
dialog:
Check that the
‘Intended Target
Units’ field
matches the ‘Unit
Connected’ field.
Check also that
the ‘New firmware
version’ is greater
than the ‘Current
firmware version’.
The type and firmware revision of each discovered SAM will be displayed
alongside the port number to which it is connected.
7 - Select the items to be upgraded
Using the Device/Dongle Selection dialog you can determine which items
should receive a firmware upgrade:
• Use the Program / Verify Main Unit option to include or exclude the
9 - Commence the upgrade
ServSwitch CX unit itself.
To begin the upgrade process, click the Upload Now button. The progress
will be shown within the dialog. Should you decide not to continue with
the upload at any stage, click the Abort button; response to this is usually
immediate, however, during an erase command, the upload will not be
aborted until the erase is complete (this may take a few seconds).
• Use the Select All SAMs option to upgrade every discovered SAM.
• Use the Select All USB / PS2 / Sun SAMs options to upgrade only SAMs
of a certain type.
• Use the individual port options to select particular SAM devices to
upgrade.
10 - Change option switch 1 to the OFF position and cycle the power
Click switch 1 on the rear of the ServSwitch CX to the OFF position and
disconnect the power. When the power is re-applied the ServSwitch CX will
operate using the new firmware.
When the required options have been selected, click OK.
Note: Approximate upgrade times are: ServSwitch CX unit = 4½ minutes;
each selected SAM = 20 seconds.
8 - Select the upgrade file to be used
Issues to consider when performing flash upgrades
From the main KVM Firmware Uploader dialog, click the Browse... button
and select the upgrade file that is appropriate to your ServSwitch CX unit:
The upgrade program rewrites the ServSwitch CX firmware code. If the upgrade
process is interrupted then the ServSwitch CX will have invalid code and will
not be able to operate. It is therefore good practice to ensure that the upgrade
process is always fully completed. A partial or failed upgrade may be rectified by
performing another upgrade. If the upgrade process is interrupted accidentally
then you should immediately repeat the upgrade process without moving switch
1 from the upgrade (ON) position. Switch 1 forces the ServSwitch CX into flash
upgrade mode and prevents the upgraded code from being run. Running faulty
or partially upgraded code may have unpredictable results and may damage
your ServSwitch CX or computing equipment.
ServSwitch CX 16 port: AVIP_16_Vxxx
ServSwitch CX 24 port: AVIP_24_Vxxx
where Vxxx is the upgrade file version number.
The upgrade file details will be displayed within the dialog.
IMPORTANT: Check that the ‘Intended Target Units’ field matches the
‘Unit Connected’ field. If these fields do not match then you may have an
incorrect upgrade file, check with Black Box support before proceeding.
Check also that the ‘New firmware version’ is greater than the ‘Current
firmware version’.
WARNING: Running faulty or partially upgraded code may have unpredictable
results and may damage your ServSwitch CX or computing equipment.
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Upgrading ServSwitch CX with IP models
The ServSwitch CX with IP models are upgraded via global connection (through
the IP network port). Upgrades are digitally signed using a secure key. This
prevents unauthorised or altered firmware images being downloaded into the
ServSwitch CX with IP.
7 Click the Browse button and locate the .bin upgrade file that you
downloaded earlier. The ServSwitch CX with IP will show the following
screen:
To upgrade ServSwitch CX with IP models
1 Download the latest firmware revision for the ServSwitch CX with IP
from Black Box support and decompress the download file. View the
decompressed files and make a note of the name and location of the .bin
file that was part of the download file collection.
the admin user.
2 Once logged in, click the Configure button in the top right corner of the
window.
3 Click the Unit Configuration button.
4 Click the Advanced Unit Configuration button.
5 Click the Upgrade Firmware button. The following dialog will be displayed:
8 Select which portion of the ServSwitch CX with IP that you wish to upgrade.
Tick both options to upgrade the complete unit. When ready, click the
Perform upgrade button.
The upgrade will take place and its progress will be shown on screen.
6 Click OK. The ServSwitch CX with IP is now ready to accept the upgrade
files. Open your browser and log into the ServSwitch CX with IP using the IP
address that was confirmed in the dialog. Once connected, the ServSwitch
CX with IP will offer the following screen:
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Operation
The front panel controls
COMPUTER button and numeric indicator
ServSwitch CX models
These items allow you to select any one of the ServSwitch CX server ports. As
you press the COMPUTER button, the adjacent number will increment to the next
available server channel. The server port selected will then be connected to the
current user port.
Computer button and
numeric indicator
User port mouse
activity indicators indicator
Power
User button and
numeric indicator
COMPUTER
1
1
2
2
3
4
4
PWR
AUX
USER
USER button and numeric indicator
These items allow you to select any one of the ServSwitch CX user ports. As you
press the USER button, the adjacent number will increment to the next available
user port. At the same time, as each user port number is displayed, the server
channel that is currently associated with that port will be indicated by the Server
indicator.
3
User port
keyboard
Auxiliary
power
activity indicators
indicator
Accessing the ServSwitch CX
The ServSwitch CX and CX with IP offer three main ways to gain access:
ServSwitch CX with IP models
Computer button and
numeric indicator
User port activity
indicators
Power
indicator
User button and
numeric indicator
®
®
SERVER
SYSTEM
SAM
724-746-5500
COMPUTER
1
2
3
4
PWR
USER
USER
VNC 100 DAT LNK AUX
CX R
Indicators
• VNC Indicates that a global user is connected and active.
• ꢀ00 Indicates the Ethernet network speed (10/100Mbs).
• DAT Network activity indication.
USER
IP
• LNK Network link present.
USER
• AUX Auxiliary power input indicator.
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Local and remote user access
Selecting a server
Local users (directly connected) and remote users (via a ServSwitch CX Remote
There are four main ways for local and remote users to select a specific server
channel:
• Using the front panel controls (discussed below) – this is a straightforward
method, if the ServSwitch CX is nearby.
To gain access as a local or remote user:
1 From a local or remote keyboard, press any key to display the login prompt:
number of servers.
SERVSWITCH CX
Enter your Login
name here
User Name:
connected servers.
Password:
Port 1 login
Esc-Scr Save
number of servers.
If the above login prompt is not displayed, you
are either already logged in to the ServSwitch
CX unit, or the security features have not been
implemented. In such cases see ‘To view this menu
at any time’ below.
port is selected, a pop up message will be displayed to confirm the server name
or number, and its status. Alternatively, an error message explaining why a
2 Enter your username and password. Providing you have the correct
permissions, the screen will display the main menu, showing you a list of
servers for which you have permission to access:
connection is not possible (press
to cancel the latter type of message).
To avoid the ‘hall of mirrors’ effect
IMPORTANT: Never configure a system so that your viewer is viewing itself.
SERVSWITCH CX
When controlling a host server via the local user port or a remote user port, if
the host server is networked it is possible to make the VNC viewer or a browser
to create a link back to itself via the global (IP) capabilities of the unit. This will
set up a ‘hall of mirrors’ effect, where the server is viewing itself
into infinity.
Computer
Port
01
This column shows
the ServSwitch CX
address for each
server. If you wanted
to select ports using
the hotkey method,
these are addresses
that you would enter.
Computer 1
Computer 2
Computer 3
Computer 4
Computer 5
Computer 6
Computer 7
Computer 8
User port 1
ADMIN
02
03
04
05
06
07
08
Default names for
each computer port
While technically possible, the ServSwitch CX with IP unit is not designed to
withstand this treatment and could sustain damage.
Identification of
your user port
Status
SHARED USE
To select a server using the front panel controls
Note: It is possible for the front panel controls to be limited to selecting only
the on screen menu or a blank screen. If this is the case please use a different
switching method or contact your system administrator for details.
Link status of your
user port
Your Login name
F1-More menus F3-Find
F2-Adj.Video F4-Logout
1 Press the USER button until the adjacent numeric indicator displays the port
To view this menu at any time: Press and hold the hotkeys (usually
and
),
number to which you are connected.
then press
and finally release all three keys.
2 Press the COMPUTER button until the adjacent numeric indicator shows the
Note: The
and keys when pressed in combination are called ‘hotkeys’
required server channel number.
and they signal to the ServSwitch CX that you wish to control it, rather than the
host server. However, if these particular hotkeys clash with another device or
program, then your administrator may change them to a different combination.
Note: If security has been enabled then only server channels to which the
current user port has permission will be displayed.
If the
combination fails to work, then please contact your system
As well as the 16 (or 24) standard server ports, there are also two additional
special ports that appear after the last port, either 16 or 24:
administrator for details.
This port provides no video signal so that a connected power saving
monitor will be prompted to enter into its power saving mode.
This port connects the current user port to the on-screen menu.
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To select a server using hotkeys
Simultaneously press and hold
Note: The and keys when pressed in combination are called
Standard hotkeys
The range of hotkey combinations are as follows:
1
and
.
Note: If your hotkeys have been changed, substitute them for
the examples given here.
and
in
‘hotkeys’ and they signal to the ServSwitch CX that you wish to control
it, rather than the server. However, if these particular hotkeys clash with
another device or program, then your administrator may change them to a
Selects port 1
Selects port 2
different combination. If the
combination fails to work, then please
•
•
•
contact the system administrator for details.
•
2 While still holding
address, then:
and
, press the first numeral of the required port
then
then
Selects port 10
•
•
• If the port address is a single character, release all of the keys.
Selects port 24
• If the port address is two or more characters, release the first numeral
key and press the second – repeat this procedure until all of the port
Note: When entering multiple digit addresses
as above or for even longer cascaded servers,
address numerals have been entered, then release
and
.
keep
and
pressed down until all other
Note: The numbers on your keyboard’s numeric keypad are not valid, use
only the numeral keys above the QWERTY section.
numbers have been entered.
Selects the next available port
Note: If your user port does not have authorisation to view the selected port
then an ‘Insufficient user rights’ messages will be displayed.
Selects autoscan mode where each (authorised)
port is displayed for a period determined by
the administrator. To cancel autoscan mode,
simply select any fixed channel using any of the
suggested methods.
Switches off the video signal – this will cause
a power saving monitor to enter its standby
mode. To awaken the monitor, simply select
any fixed channel using any of the suggested
methods.
Logs out the current user (if security is enabled)
or selects port 0 to disable the video signal (if
security is disabled).
&
,
,
or
Moves the currently displayed on-screen menu
around the screen.
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To select a server using the on-screen menu
To select a server using mouse buttons
1 Select the on-screen menu in one of three ways:
Note: This procedure works only with three-button or IntelliMouse devices and
only if the ‘Mouse Switching’ option has been enabled by your administrator.
• By simultaneously pressing and then releasing
.
1 Hold down the middle button (or scroll wheel) of the mouse.
• By pressing the middle and right buttons of a three button mouse, or
2 Click the left mouse button to select the next server port. When the correct
port is reached, release the middle button.
Note: The mouse switching option is usable only if the ‘Mouse
Note: If security has been enabled then only servers to which you have
permission will be displayed.
• By selecting port using the front panel buttons (see previous).
At this point, depending on the security settings and the current log in
situation, one of two things will be displayed, either the login screen, or the
Selection menu:
To select a server using mouse buttons – Advanced method
1 Select the on-screen menu by pressing the middle and right buttons of a
three button mouse.
The login screen - here you enter a valid User Name and Password – see
Logging in and out for more details. When you do so, the ServSwitch
CX selection menu will be displayed:
2 Use the scroll wheel to highlight the required server port.
3 Then, select either:
The Selection Menu – here you can select servers by name.
• Shared Use - press the left mouse button - This standard method allows
other users to view the same server port. Control of the port is given to
one user at a time, on a first-come, first-served basis and is relinquished
after a certain period of inactivity.
2 Use the
and
keys (or the scroll wheel of an IntelliMouse) to highlight
the required server name. Alternatively (for large configurations), press
perform an alphabetical search for a particular port name.
to
Note: If security has been enabled then only servers to which the current
user port has permission will be displayed.
• Exclusive Use - press
and the left mouse button – This mode
prevents any other user from viewing or controlling the server port until
you either select another server or log off. This mode should be used
with care – it can also be blocked as an option by the administrator.
3 Select the highlighted port in one of three ways:
• Shared use - press
- This standard method allows other users to
view the same server port. Control of the port is given to one user at a
time, on a first-come, first-served basis and is relinquished after a certain
period of inactivity.
• Video Only - press
and the left mouse button – This mode displays
the video picture of the port, but prevents keyboard or mouse activity
from controlling the server.
• Exclusive use - press
– This mode prevents any other user from
• Escape without selecting a port – press the right mouse button.
viewing or controlling the server port until you either select another
server or log off. This mode should be used with care – it can also be
blocked as an option by the administrator.
• Video Only - press
– This mode displays the video picture of
the port, but prevents keyboard or mouse activity from controlling the
server.
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Logging in and out
Selecting cascaded servers
The ServSwitch CX features a straightforward security system that helps to
prevent unauthorised access to some, or all connected servers.
The ServSwitch CX is not limited to sharing just sixteen or twenty four servers.
By joining numerous ServSwitch CX products together in a tree-like or cascade
arrangement, it is possible for each user port to view many more servers.
Although you can use exactly the same selection methods to choose any server,
you are strongly recommended to use the on screen menu method for the
following reasons:
If the security option has been selected by your administrator then you will be
asked to enter a User Name and Password when you first access a user port.
When you have finished using the server, it is then good practice to logout,
forcing any other users to authenticate themselves prior to use.
alphabetical order and also allows you to search for them by name, press
– a useful feature in a long list. This really is the best way to access a large
number of servers.
Note: If the security option has not been enabled then no login is required.
To log in to the ServSwitch CX
1 If it is not already displayed, move the mouse or press any key to display the
log in screen.
can take too long to reach the required server in an extensive configuration.
SERVSWITCH CX
User Name:
structure, each server can have an address up to six digits long which can be
difficult to remember and laborious to type.
Password:
Port 1 login
Esc-Scr Save
2 Enter your designated User Name and press
.
The confirmation box
3 Enter your designated Password and press
. If both entries are correct
The ServSwitch CX provides the option of a confirmation box that is displayed
on screen for three seconds after a server is selected. The confirmation box
indicates the current user port and your user name, the selected server and the
connection status. You can enable or disable the confirmation box, as required.
then the selected port will be displayed.
Note: If either the User Name or Password are incorrect, the entries will be
cleared to allow another attempt.
To log out from the ServSwitch CX
Either:
To enable/disable the confirmation box
1 Select the on-screen menu in one of three ways:
• Press
or
and
at any time to log out.
• By simultaneously pressing and then releasing
.
• By pressing the middle and right buttons of a three button mouse, or
• By selecting port using the front panel buttons
1 Select the on-screen menu in one of three ways:
• By simultaneously pressing and then releasing
.
Note: The
and
hotkeys may have been changed. If the
2 Press
to select ‘More menus’.
combination fails to work, then please contact the system administrator
for details.
3 Highlight the ‘User Preferences’ option and press
to select.
to select
4 Highlight the ‘Confirmation Box’ option and press
‘ENABLED’ or ‘DISABLED’, as required.
• By pressing the middle and right buttons of a three button mouse, or
• By selecting port using the front panel buttons
5 Press
to save the settings. Press
twice more to return to the server port
2 Press . You will be logged out and the login window will be re-displayed.
and view your changes.
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The reminder banner
Routing status
As many server screen layouts can appear very similar, the ServSwitch CX
provides a reminder banner option that indicates which server port you are
currently viewing. The banner is usually displayed at the top of the screen, using
blue lettering and transparent background. You can:
On occasions it may be useful to know which servers are being accessed, in
which modes and by whom. The most common reason for this would be if you
were denied access to a server port and needed to find out if another user has
selected ‘Exclusive’ access. For this purpose the ServSwitch CX provides the very
handy Routing status feature which provides an ‘at a glance’ view of all current
user connections.
• Move the banner
• Change the banner colours, and/or
• Disable the banner
To use the Routing status feature
1 Select the on-screen menu in one of three ways:
To move the reminder banner
• By simultaneously pressing and then releasing
.
1 While viewing a server port, press and hold
Note: The and hotkeys may have been changed. If the combination
fails to work, then please contact the system administrator for details.
and
.
Note: The and hotkeys may have been changed. If the
combination fails to work, then please contact the system administrator
for details.
2 Press the
position.
,
,
and
keys to move the banner to the required
• By pressing the middle and right buttons of a three button mouse, or
• By selecting port using the front panel buttons
To change banner colours or disable the banner
1 Select the on-screen menu in one of three ways:
2 Press
to select ‘More menus’.
• By simultaneously pressing and then releasing
.
3 Use
or your mouse scroll wheel to highlight the ‘Routing status’ option.
or the left mouse button to select. The Routing status screen will
• By pressing the middle and right buttons of a three button mouse, or
• By selecting port using the front panel buttons
4 Press
be displayed:
2 Press
to select ‘More menus’.
3 Highlight the ‘User Preferences’ option and press
4 Select the required option:
to select.
• To disable the banner – highlight ‘Reminder Banner’ and press
until ‘DISABLED’ is shown.
• To change colours – highlight ‘Reminder Colour’ and press
the desired colour combination is displayed.
until
5 Press
to save the settings. Press
twice more to return to the server port
and view your changes.
Here you can instantly see which server ports are being accessed and by
whom. The screen will be displayed for ten seconds.
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Power switching (via configuration menu)
User preferences and functions
When used in conjunction with optional power switch boxes, the ServSwitch
CX with IP allows you complete remote control over the connected servers. The
primary function of the power switching option is to remotely power down and
reset servers that are failing to respond.
In addition to customising the reminder banner as described earlier, you can
also:
• Change the colour of the on screen menu,
• Select the screen saver style,
To switch a server on or off
• Restore mouse operation, or
1 Select the on-screen menu in one of three ways:
• Perform power control functions.
• By simultaneously pressing and then releasing
.
Note: The and hotkeys may have been changed. If the
combination fails to work, then please contact the system administrator
for details.
• By pressing the middle and right buttons of a three button mouse, or
• By selecting port using the front panel buttons
2 Switch to the server port that needs to be switched on or off.
Note: If the server is still responding, try to shut it down normally before
attempting a power switch operation.
3 Display again the on screen menu and press
4 The ‘Functions’ option should be highlighted, press
5 Highlight ‘Power Control’ and press
6 Highlight either ‘Switch Server ON’ or ‘Switch Server OFF’ as necessary and
to select ‘More menus’.
.
.
press
. A warning message with two options will be displayed:
7 Press
to confirm or to confirm and exit. The latter option clears the
menu so that, if required, you can be ready to enter any escape sequences
that are needed by the server (to access its BIOS setup area), during the
bootup sequence.
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Global user access
Global users access the ServSwitch CX with IP using a viewer and a link. There
are two types of viewer and two types of link, which can be used in any
combination.
®
®
SERVER
SYSTEM
SAM
724-746-5500
OR
OR
viewer
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Global user access via VNC viewer
The VNC viewer is a compact application that runs on your IP-connected ‘global’
system and allows you to view and use the ServSwitch CX and its host server(s).
VNC viewer is readily available from a number of different sources:
• from the ServSwitch CX installation CD
• from the ServSwitch CX itself
Downloading VNC viewer from the ServSwitch CX with IP
The ServSwitch CX has the ability to distribute its own VNC viewer
application.
To access via the VNC viewer
1 Locate and select the VNC viewer icon
To download the VNC viewer
1 Open your Web browser.
2 Enter the network address where the ServSwitch CX is situated (in
the form: http://192.168.0.3) and make the link.
A connection details dialog will be displayed:
3 In the opening ServSwitch CX screen, click the link that offers to
download the secure VNC viewer ‘from the unit’.
Enter the ServSwitch CX
address here and click OK
4 Save the download file (vncviewer.exe) to your system.
5 Select and run the downloaded file and then connect to the
ServSwitch CX using the VNC viewer application.
If required, select the
encryption mode - MORE [+]
Options button
Provides a range of viewer and connection settings - MORE [+]
IMPORTANT: During login, if you see a warning message similar to the
one shown here, then stop and do not proceed.
2 In the ‘Server:’ entry, type the address of the ServSwitch CX as follows:
v.w.x.y
where v.w.x.y is the IP network address, for example 192.168.0.3
3 Click the OK button. Depending on the options selected, you may need to
confirm certain items. A connection attempt will be made and if successful,
an authentication dialog will be displayed:
This message is displayed if a ServSwitch CX with IP unit, that your
viewer has previously visited, has had a change of security keys. This
is not uncommon if a unit is reset for some reason. However, it could
also mean that your trusted unit is being spoofed and you may not be
connecting to the system that you think you are.
Do not click the Yes button until you have checked with your
administrator that the trusted ServSwitch CX with IP unit has been
recently reset for some reason.
and show the current host server. Note: If the Username entry is blanked out
then only admin user account is currently defined and only a password is
required.
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Global user access via web browser
ServSwitch CX with IP and its host server(s). As soon as you make contact with the
ServSwitch CX with IP it will begin downloading a small Java application to your
browser, which will be used only for the duration of your connection.
To access via your web browser
1 Launch your standard Web browser as usual.
2 In the Address section, type the address of the ServSwitch CX with IP as follows:
http://v.w.x.y
where v.w.x.y is the IP network address, for example 192.168.0.3
3 Press
. A connection attempt will be made.
4 In the browser window, select the ‘Connect using built-in Java VNC viewer’
option to download a small application that will temporarily empower your
browser (on slow connections the application download can take several
tens of seconds to complete). Once complete, a connection details dialog
will be displayed:
The previously entered
ServSwitch CX with IP address
will be shown here
If required, select the
encryption mode - MORE [+]
IMPORTANT: During login, if you see a warning message similar to the
one shown here, then stop and do not proceed.
Options button
Provides a range of viewer and connection settings - MORE [+]
5 Make any necessary option/encryption changes and click the OK button
to proceed. Depending on the options selected, you may need to confirm
certain items.
6 A second connection attempt will be made and if successful, an
authentication dialog will be displayed:
This message is displayed if a ServSwitch CX with IP unit, that your
viewer has previously visited, has had a change of security keys. This
is not uncommon if a unit is reset for some reason. However, it could
also mean that your trusted unit is being spoofed and you may not be
connecting to the system that you think you are.
and show the current host server. Note: If the Username entry is blanked out
then only admin user account is currently defined and only a password is
required.
Do not click the Yes button until you have checked with your
administrator that the trusted ServSwitch CX with IP unit has been
recently reset for some reason.
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When using the viewer window
Using the viewer window
The viewer window gives you the ability to view and control the ServSwitch
CX with IP and its host server(s). Its operation is almost identical regardless of
whether you used the VNC viewer or your Web browser to display it.
What is the best screen resolution to use?
The best resolution for your server is one that is larger than the screen of the host
server that you are viewing. This will allow you to see everything without scrolling
around. Alternatively, the VNC viewer can be set to scale the image to fit your screen,
but remember that some pixel dithering effect will be seen when scaling is used.
The menu bar
The viewer window presents a menu bar similar to that shown below. Certain
items within the toolbar are displayed depending upon your access permissions
and/or the ServSwitch CX with IP configuration.
How do I navigate around a larger screen?
If the screen that you are viewing has a larger resolution than your viewing window
you will need to scroll around to see all items. The viewer window allows you to
‘bump scroll’ (only in full screen mode). This means that when your mouse cursor
bumps against the edge of the screen, the screen image will scroll across automatically.
(VNC viewer
only) Click the
VNC icon to
view the viewer
window options.
Ctrl Alt Del
Sends the
Ctrl Alt Del
sequence to
the current
host server.
Displays a menu
of options
concerning
keyboard, video
and mouse
operation.
Click to access
the power
on/off options
for the current
host server.
Dialogue area
Indicates your username
and the host system that
you are currently viewing.
This area can also display
other messages.
How do I escape from full screen mode?
Press the F8 button. This button is changeable but is most often set to F8.
Why is the
This happens when a new host screen is viewed (that has not been viewed before).
Click the button to perform an auto calibration for the screen and the mouse.
button flashing red?
How do I change between host servers?
The best way to change between host servers is to click the ‘Hosts’ button and then
How do I remove traces of moved items from the screen?
When you move an item or window across the screen, sometimes it can leave
unsightly trails. These are called artifacts and can be particularly prevalent when the
connection speed is low. To remove artifacts, click the ‘Controls’ button and select
Click to
Allows you
to choose
between
Shared and
Private access
modes.
Ensures that the Determines the
mouse pointer optimum video and/or
which you move mouse settings for the
and the mouse
pointer on the
host system
This option is only
available to the
admin user and
provides access
to the main
display a list
of servers.
Choose an
entry to
connect to
that host
server.
currently selected host
server. This button
How do I make the most of a slow connection?
will flash red when
a new host screen is
encountered. Click this
button when you first
visit a new screen.
configuration
menus.
The VNC viewer is slightly better suited to slower connections than the browser
when entering the ServSwitch CX with IP address during log on.
are correctly
synchronised.
Adjust the Threshold setting
suggests. Tweak this setting manually to ensure the best setting.
Fewer colours
improvement and looks a lot worse.
Rate limit mouse events
When selected, this mode greatly reduces the mouse movement data that are sent
to the host server. When you move the local mouse, the remote cursor will catch up
roughly once per second.
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Mouse pointers
Host selection
Both viewers provide a double mouse cursor to help overcome any delays
caused by slow connections. When you move your mouse you will see two
mouse cursors, a local one that responds immediately to your movements and a
second, slower moving, cursor that represents the current mouse position at the
host.
The Hosts button on the menu bar provides the quickest and most efficient way
to switch between host servers. This is because the button is close at hand, but
also because the screen calibration details for each host are reused when this
Note: The Hosts button is displayed only when
the switching details for two or more servers have
been declared within the configuration section by the
admin user.
For the browser viewer, the local
cursor is a typical arrow:
Local cursor
To select a host
1 Click the Hosts button to display a list of servers.
2 Click the required server name to view and control it.
Remote host cursor
hosts into the ServSwitch CX with IP (‘admin’ user status required).
Configure
This option is displayed only when you are logged on as the ‘admin’ user. When
selected it provides access to a wide range of ServSwitch CX with IP settings.
For the VNC viewer, the local
cursor is a dot:
Local dot cursor
Remote host cursor
Additionally, for fast network
connections, the VNC viewer also
provides a single mouse mode.
details.
Single local cursor
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Auto calibrate
Re-synchronise mouse
When you visit a host server for the very first time, your viewer needs to
determine the optimum video and mouse settings for that particular server. The
button will remind you to click it by flashing red when a new server screen is
encountered. Performing this step is important because it can help to decrease
unnecessary video information being sent across the link, thus improving overall
performance.
If you find that your local mouse pointer and that of the host are not correctly
synchronised, use this feature to re-align their movements. This operation is also
selectable from the Controls menu.
To re-synchronise the mouse
1 Use the Hosts button to select the required server.
2 Click the
button and then click OK in the subsequent pop-up message.
Once this has been done, providing you use the ‘Hosts’ button to switch
between host servers, the video settings for each machine will be re-used.
Note: If you find that this doesn’t work, you may need to perform a mouse
calibration again.
Note: When performing an auto calibration, ensure that the screen image
is static (no moving images) and also try to remove any on-screen displays
generated by KVM switches (such as host names or menus). This is because
they can affect the calibration process and result in a lower overall performance
level. For mouse calibration, ensure that there are no application windows
located around the upper left corner of the screen. This is because as the mouse
calibration takes place, the cursor may change (to match the application as it
skims across the window) and this may confuse the calculation. Also ensure that
the host server does not have the mouse cursor trails option enabled.
Access mode - shared/private
Up to five users can be simultaneously logged-on (four global users plus one
local or remote user) and during normal operation, all are able to see the same
view of the currently selected host. If you need to perform a sensitive task
that should not be viewed by other users, you can change the access mode to
Private. This action blanks the viewer window for all other logged on users.
Note: For the courtesy of other users, this mode should be used sparingly. The
admin user has the ability to overrule the private setting.
To auto calibrate the screen and/or mouse
1 Use the Hosts button to select the required server.
To change the access mode
1 Click one of the arrow buttons adjacent to the
Shared/Private indicator.
2 Click the
button to display the
Calibrate options dialog:
3 Click the required action.
A progress indicator will be
displayed while the necessary
calculations are made.
Power switching (via viewer)
When configured (and where you have access rights) this option allows you to
control the mains power input to the currently selected host server.
Note: This option is generally used to power cycle remote systems that have
failed to respond. Before switching a system off, ensure that all attempts have
first been made to power it down through normal means.
Upon completion
an information
dialog will
explain the
results:
To switch a system on or off
1 Use the Hosts button to select the required server.
2 Click the Power button and then select the Switch on
or Switch off option, as appropriate.
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Controls
When clicked, this button reveals a menu of
options concerned with keyboard, video and mouse
operation.
Single Mouse Mode
Mouse Control
This mode is for fast network connections where the
cursor response is sufficient to provide instant visual
feedback on the remote screen. When enabled, the
cursor is ‘captured’ within the viewer window until
you use the ‘escape’ hot keys.
This option displays a mouse control dialog and is useful when the remote
cursor is failing to respond correctly to your mouse movements, even after using
the Resync mouse option.
The mouse control dialog allows you to control the remote mouse cursor using a
selection of buttons that you click with your local mouse.
To quit from single mouse mode, press F8 and then P. Alternatively, enable and
use the mouse button escape sequences - see Advanced unit configuration
for details.
Click to produce a single
mouse click for the left,
centre or right mouse
buttons
The single mouse mode does not require calibration.
Click to produce a
Resync Mouse
This option has the same effect as the
resynchronises the local and remote mouse pointers.
continuous mouse click
and hold for the left,
centre or right mouse
button on the menu bar and
buttons
Click to move the remote
mouse cursor up, down,
left or right
Refresh Screen
This option refreshes the whole screen image to remove any artifacts from
moved screen items. This is useful when using very low refresh rates on slow
speed communication links.
Click to calibrate the
remote mouse
Click to display the Restore
mouse dialog where you can
reinstate a mouse that has failed
to operate correctly.
choose.
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Keyboard Control
Info
This option displays a keyboard control dialog and is useful for sending keyboard
combinations (to the host) that are needed regularly or that are trapped by the
ServSwitch CX with IP.
When selected, this option displays an information dialog showing the current
logged on users, the current host, its video mode and its mouse motion details.
Enter the
code here
Click to send
the code
KVM switch menu
This option displays the ServSwitch CX main menu and provides access to the
same options presented to local and remote users. The only option that cannot
be accessed is Configure IP port. For details of the other options available, please
When entering codes:
+ means press down the key that follows
–
means release the key that follows
+– means press down and release the key that follows
* means wait 250ms (note: if a number immediately follows the asterisk, then
the delay will equal the number, in milliseconds)
It is automatically assumed that all keys specified will be released at the end, so
there is need to specify -Ctrl or -Alt if these keys are to be released together.
Examples:
‘Ctrl + Alt 12’ would be expressed as: +Ctrl+ Alt+1–1+2
+N means press the ‘N’ key
+Scroll means press the Scroll lock key
+Space means press the space key
Video Settings
see next page
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Video Settings
This dialog provides access to all of the key video settings that determine image
quality and link performance.
Using automatic configurations
• Every setting can be individually subjected to an automatic configuration
(click the appropriate ‘Auto’ button) or can also be manually adjusted.
• Use the ‘Calibrate All’ button to automatically determine the optimum
settings for all items.
Threshold
The threshold is effectively a
noise filter that differentiates
between valid video signals
and background noise or
interference. This has the effect
of reducing unnecessary video
signals between the ServSwitch
CX and the remote system,
thus improving performance.
Note: Before using the ‘Calibrate All’ option, if possible, remove on-screen
display (OSD) elements generated by the ServSwitch CX with IP or any other
connected KVM switches (such as a host name label or menu). These OSD
elements use different video rates to those of the host system(s) and can
affect the setting of the automatic threshold value. ServSwitch CX with
IP uses an improved calculation procedure to filter out the effect of these
elements. However, best results are obtained when the screen contains only
host system information.
Phase
The phase setting adjusts the
alignment of the host video
output and the remote system
video display to achieve the
sharpest image.
Note: To maximise performance, the threshold level is automatically
increased by 50% when a slow link is detected.
Note: When the ServSwitch CX with IP is used with one or more other
switches, the threshold needs to be higher than 32 due to the significant
amounts of ‘noise’ that these switches introduce. The ServSwitch CX with IP
configuration should detect such noise and adjust the threshold accordingly.
Horizontal Position
Determines the horizontal
position of the host screen
image within the viewer
window.
Brightness & Contrast
The red, green and
blue constituents of the
brightness and contrast
can be set individually.
Alternatively, use
Calibrate All
Click to
Display activity
Indicates the level
of video activity
currently in
Setting the Threshold manually
Occasionally it can be useful to manually adjust the Threshold setting, in order to
achieve a setting that best suits your particular requirements.
determine the
optimum settings
for all aspects of
video the video
connection from
the host system.
Vertical Position
progress.
Determines the vertical position
of the host screen image within
the viewer window.
1 Use the ‘Calibrate All’ function to ensure that all other settings are
optimised.
the Auto button
on the right side to
automatically optimise
these for the current
host and connection
speed.
2 Click the Threshold left arrow button to decrement the setting by one and
observe the ‘Display Activity’ indicator.
3 Repeat step 2 until the Display Activity indicator suddenly rises to a much
higher level (i.e. 50%). This will mean that you have reached the noise
boundary. At this point, increment the Threshold value by 2 or 3 points to
achieve an optimum setting.
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Access via dial up (modem or ISDN) link
If you need to enter a port number
When you gain access via modem or ISDN link, the ServSwitch CX with IP
uses standard network protocols to create a private two-device network. This
approach ensures consistency and allows you to use exactly the same VNC
viewer or browser to view the host servers. This is achieved using PPP (Point to
Point Protocol) and means that you need to use a dial-up networking method to
initiate the connection. Such software is standard with operating systems such
as Windows, Linux and Mac OS.
Usually, when you make a network connection to the ServSwitch CX with IP
(either using the VNC viewer or a Web browser) you simply enter the IP address,
i.e. 192.168.0.3. However, if a special configuration is necessary, then you may
be asked to specify a port number as well as the IP address.
To enter a port number in a Web browser
1 Enter the required IP address in the usual Address box,
i.e. http://192.168.0.3
To initiate a dial up link
1 Using a system that has a modem or ISDN adapter installed, locate the
dial-up networking option on your system. Please refer to your system
documentation for more information.
2 At the end of the IP address, add a single colon (:) and then enter the port
number (in this example, the required port number is 8000),
i.e. http://192.168.0.3:8000
2 Using the dial-up networking option, enter the telephone/ISDN number
where the ServSwitch CX with IP can be contacted.
To enter a port number in VNC viewer
1 Enter the required IP address in the usual ‘Server’ box,
i.e. http://192.168.0.3
3 Initiate the call and when the link is made, continue with either the standard
Note: For the viewer network connection address, you must use the IP
address that the admin user has set as the Server address (or PPP server IP
address) within the Modem configuration screen.
2 At the end of the IP address, add two colons (::) and then enter the port
number (in this example, the required port number is 8000),
i.e. http://192.168.0.3::8000
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Viewer encryption settings
Supported web browsers
The web browser viewers and VNC viewers (of level 4.0b5S or higher) offer four
encryption options. The resulting actions of certain options depend upon how
the ServSwitch CX with IP to which you are connecting is configured:
The following web browsers have been tested and found to work correctly with
ServSwitch CX.
Windows
• Internet Explorer 5.50 and above,
• Always on - This setting will ensure that the link is encrypted, regardless of
the ServSwitch CX with IP encryption setting.
with Microsoft [Java] Virtual Machine (release 5.50).
with Java Runtime Environment 1.3 or above.
• Let server choose - This setting will follow the configuration of the
ServSwitch CX with IP. If the ServSwitch CX with IP has a preference to
encrypt the link, then it will be so, otherwise the link will not be encrypted.
Linux
• Prefer off - This setting will configure an un-encrypted link if the ServSwitch
• Netscape 4.61 and above,
CX with IP will allow it, otherwise it will be encrypted.
with Java Runtime Environment 1.1 or above.
• Opera,
• Prefer on - If the ServSwitch CX with IP allows it, this setting will configure
an encrypted link, otherwise it will be un-encrypted.
with Java Runtime Environment 1.1 or above.
Whenever encryption does take place, the viewer will first need to create the
necessary secure key before the connection process can continue.
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Further information
Troubleshooting
This chapter contains a variety of information, including the following:
• Getting assistance - see below
Global network users are unable to contact the ServSwitch CX with IP
• Check that the correct address is being used by the remote users.
• Troubleshooting - see right
• Appendices
• If the ServSwitch CX with IP is situated behind a firewall, check that the
correctly routed.
network link is a 100Mbps connection, the 100 indicator should also be on.
The remote cursor is not correctly responding to my mouse movements
not have mouse cursor trails enabled and that the top left corner of the
screen is clear of application windows.
When logging on using VNC viewer, I cannot enter a username
admin user has been configured on the ServSwitch CX with IP.
• Warranty
Getting assistance
If you are still experiencing problems after checking the list of solutions in the
Troubleshooting section then we provide a number of other solutions:
• Email
in the US:
in the UK:
techsupport@blackbox.com
techhelp@blackbox.co.uk
• Phone
in the US:
in the UK:
ꢆꢁꢃ-ꢆꢃꢅ-ꢄꢄ00
+ꢃꢃ (0)ꢀꢀꢇ 9ꢅꢄ ꢅ000
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Appendix 1 – Configuration menus
The ServSwitch CX configuration menus allow a range of settings to be made
both to the installation as a whole and to parts of the system accessed by each
user.
To access the configuration menus
1 Select the on-screen main menu in one of three ways:
• By simultaneously pressing and then releasing
.
• By pressing the middle and right buttons of a three button mouse, or
• By selecting Server using the front panel buttons.
If you are not already logged in, do so now. What to do if the ADMIN
The following items and menus are available in the Configuration menu:
SERVSWITCH CX
2 Press
3 Use the following keys:
and to highlight required options.
to change option values.
to select ‘More menus’.
Configuration Menu
Functions
Routing status
User Preferences
Global Preferences
Setup Options
Edit Computer List
Edit User List
to quit and save the changes.
EditAutoscan List
F1-More menus
Enter-Select
The full set of options are only available to
the Admin user. All other users will see a
subset of these.
Esc-Quit
FirmwareVersion 1.02
Additionally, a further important menu is located as an option within the
Functions menu of ServSwitch CX with IP models:
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Functions
SERVSWITCH CX
Power Control
The Functions menu contains a collection
Functions
The options within this section are usable only when the ServSwitch CX is used
in conjunction with one or more external power switch units. For more details
of procedures that affect various aspects of
ServSwitch CX operation. Only the Admin
user is granted access to all functions, other
users are offered only the following options:
Restore Standard Mouse
Restore Intellimouse
Power Control
Configure IP port
Reset to Factory Defaults
Send Data to RS232 port
Read Data from RS232 port
• Restore Standard Mouse,
• Restore Intellimouse,
Switch Server ON
Select this option to power on one or more servers.
• Power control - only servers to which a
Switch Server OFF
Select this option to power off one or more servers.
user has access rights can be switched.
Enter-Run Function
-Up -Down
Edit Power ON String
Select this option to alter the special codes that are sent from the ServSwitch CX
to the connected power switch(es) in order to switch servers on.
To get here
Esc-Quit
1 From a local, remote or global keyboard,
log on as a standard (limited options) or
‘admin’ user.
Edit Power OFF String
Select this option to alter the special codes that are sent from the ServSwitch CX
to the connected power switch(es) in order to switch servers off.
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
Send Data to RSꢁꢂꢁ port
4 Select ‘Functions’.
This option is used to save ServSwitch CX configuration information to a
specially connected server. A temporary link must be made using the COM1/
UPGRADE port at the rear of the ServSwitch CX and the server must run a custom
routine available from Black Box. The resulting download file can be optionally
edited (using Microsoft Excel) and/or reloaded into the ServSwitch CX. This
option is especially useful in complex cascade arrangements where many servers
details.
Restore Standard Mouse
This option is used to resume standard mouse operation if it has ceased to
operate, for instance, if it has been connected without rebooting the ServSwitch
Restore Intellimouse
This option is used to resume Microsoft Intellimouse operation if it has ceased to
operate, for instance, if it has been connected without rebooting the ServSwitch
Read Data from RSꢁꢂꢁ port
This option is used to reload configuration information into the ServSwitch CX
from a specially connected server. See above for more details.
Configure IP port
ServSwitch CX with IP models only. Displays a sub menu containing options
related specifically to IP network and modem/ISDN port features. See Configure
IP port for details.
Reset to Factory Defaults
Returns all key settings within the ServSwitch CX to their original states.
WARNING: This function will clear all server and user lists that are stored within
the ServSwitch CX.
When this option is selected, you must press
to confirm the action. The internal
data will be rewritten and a completion message displayed after a short period.
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User Preferences
SERVSWITCH CX
User Preferences
OSD Colour :
Reminder Banner : ENABLED
Reminder Colour : BLUE/TRANS
Screen Saver type : MOVING DOT
Confirmation Box : ENABLED
The User Preferences are system operating
parameters that are independently selectable
for each user and affect only their screen.
SCHEME 1
To get here
1 From a local, remote or global keyboard,
log on as a standard or ‘admin’ user.
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
Space-Toggle
-Up -Down
4 Select ‘User Preferences’.
Esc-Quit
OSD Colour
Screen Saver Type
Settings: SCHEME 1, SCHEME 2, SCHEME 3
Settings: BLANK, MOVING DOT
As you toggle between these options you will see the colour of the menu
change to show the selected scheme. The menu schemes have been specially
chosen to provide a high contrast with the colours that you would normally see
on a server screen.
You may select the type of screen saver. If you select BLANK then the screen will
blank completely. If you select MOVING DOT then a moving dot will be displayed
on a blank background. The dot regularly changes colour and bounces off the
sides of the screen in a zigzag pattern.
Reminder Banner
Confirmation Box
Settings: ENABLED, DISABLED
Settings: DISABLED, ENABLED
When the reminder banner is enabled, the name of the currently selected server
will appear in a small reminder banner. This is normally located at the top of the
screen in a central position but may be moved as required (see To move the
When enabled, a confirmation box is displayed on screen for three seconds after
a server is selected. The confirmation box indicates the current user port and
user name, the selected server and the connection status.
Reminder Colour
Settings: BLUE/TRANS, PINK/TRANS, BLUE/WHITE, WHITE/RED
You may select the colour of the reminder banner. The BLUE/TRANS and PINK/
TRANS select blue or pink text with a transparent background. The BLUE/WHITE
and WHITE/RED settings select blue and white text on solid white and red
backgrounds.
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Global Preferences
Autoscan Mode
Settings: SCAN LIST, ACTIVE PCs, ALL PCs
Global preferences are available only to
the Admin user and allow settings to be
made that affect all users attached to the
ServSwitch CX.
SERVSWITCH CX
Global Preferences
Mouse Switching :
Screen Saver :
Autoscan Mode :
Autoscan Period :
OSD DwellTime :
UserTimeout :
ENABLED
The ServSwitch CX supports an autoscan mode that automatically scans
between the connected servers in sequence. There are three autoscan modes. In
the first mode the ServSwitch CX will scan all the named servers that are defined
in the autoscan list (SCAN LIST). The servers defined in the scan list may be
connected to cascaded ServSwitch CX units. If you wish to scan the ports on the
current ServSwitch CX then you may select ALL the available servers or just the
available servers that are currently powered on (the ACTIVE servers). Scanning
just the active servers avoids blank screens from being displayed and stops the
monitor from going into a power down state on every scan cycle.
DISABLED
SCAN LIST
5 SECONDS
2 SECONDS
2 SECONDS
To get here
1 From a local, remote or global keyboard,
log on as ‘admin’ user.
RS232 MouseType : INTELLIMSE
MouseType :
LOGITECH
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
Space-Toggle
-Up -Down
4 Select ‘Global Preferences’.
WARNING - Many modern monitors are fitted with automatic power save
relays and will switch off after a few seconds if connected to an inactive
PC. If you are using such a monitor you must not set the ServSwitch CX to
scan ALL ports. Constant switching on and off of your monitor’s relay will
eventually damage your monitor. If you are using the SCAN LIST option
then you should ensure that all the servers are active if you are using one
of these monitors.
Esc-Quit
Mouse Switching
Settings: ENABLED, DISABLED
The server channel can be switched using a three button mouse or IntelliMouse.
Pressing the central button or wheel button together with the left hand mouse
button will cause the ServSwitch CX to switch to the next available server. When
mouse switching is enabled the central mouse button or wheel mouse button
is allocated to control the ServSwitch CX and is not therefore available for use
by server applications. If you want to use the central mouse button within your
applications you will need to disable mouse switching. The rotation action
of an IntelliMouse wheel is not affected and is always available to the server
application.
If you choose to use the SCAN LIST option then you may define the servers to be
scanned in the following manner.
To define the autoscan list
1 From the main on-screen menu press F1 for MORE MENUS.
2 Select EDIT AUTOSCAN LIST from the menu. A list of defined servers will
appear. Servers affixed with a ‘+’ will be autoscanned during the autoscan
cycle. To add/remove a server to/from the autoscan list, move the selection
bar over the server name and press SPACE BAR. To add all named servers
press F1. To remove all named servers press F2.
Screen Saver
Settings: DISABLED; 2, 5, 7, 10,15, 20 & 30 MINUTES
To avoid burning out the phosphor on CRT monitor screens, the ServSwitch
CX can be set to blank the screen after no keyboard or mouse activity has
been detected for a selected timeout period. If preferred, the user can blank
the screen manually by selecting channel ‘0’ using the keyboard hotkeys or by
pressing ESC from the login screen.
3 When all the servers that you wish to scan are affixed with a ‘+’, press
RETURN or ENTER to save the selections. The selected servers will be
autoscanned in alphabetical order when you activate autoscan mode (when
the SCAN LIST option is selected).
Autoscan Period
Settings: DISABLED; 2, 5, 7, 15, 30 SECONDS, 1, 5 MINUTES
The autoscan time defines the length of time that the ServSwitch CX will display
video (and play audio) from an autoscanned server before changing to the next
server. If the DISABLED setting is chosen then no autoscan functions will be
available.
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Global Preferences (continued)
RSꢁꢂꢁ Mouse Type
OSD Dwell Time
Settings: INTELLIMOUSE, 2 BUTTON, 3 BUTTON
Settings: 1, 2, 3, 5, 10 SECONDS
This setting controls the type of RS232 mouse that the ServSwitch CX reports
to servers. All the necessary conversions are dealt with automatically by the
ServSwitch CX. The IntelliMouse setting sends four byte mouse reports to the
servers and is therefore very slightly more sluggish than the others that send
three byte mouse reports. RS232 mice are almost always more sluggish than
PS/2 types because the data rate is much slower.
After a successful server channel change the ServSwitch CX will display
a confirmation message for a few seconds. The length of time that this
confirmation message dwells on the screen may be changed.
User Timeout
Settings: 1, 2, 5, 10, 30 SECONDS, 1, 5, 10 MINUTES
When two users are connected to the same server only one can have access at
any one time. When no keyboard or mouse data has been received from the
active user port for the user timeout period, the ServSwitch CX will allow other
users to access the server. The new port then becomes the active port until it too
times out. To avoid confusion between users it is desirable to set the timeout
period to be sufficiently long so that user’s work is not needlessly interrupted by
other users and sufficiently short to ensure good overall system efficiency. The
user timeout value also controls the timeout between the local port and remote
(extended) user port 1.
Mouse Type
Settings: LOGITECH, MICROSOFT
This setting determines how the mouse type is reported to each connected PC.
Some Logitech mouse drivers are unable to handle the more advanced features
of Microsoft Intellimouse Explorer type mice, so the LOGITECH setting here
reports a more basic mouse type.
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Setup Options
Setup options are available only to the
Admin user and consist of key settings that
are normally made only during the initial
installation stage.
SERVSWITCH CX
Hotkeys
Setup Options
Settings: CRTL+ALT, CTRL+SHIFT, ALT+SHIFT, ALT GR, L+R ALT, L CTRL+ALT,
R CTRL+ALT, DISABLED
Security :
ENABLED
ENGLISH
CTRL+ALT
ENABLED
ALLOWED
DISABLED
Language :
The keyboard hotkeys are special combinations of keys that, when used
together with certain keyboard “command keys”, perform special ServSwitch
CX functions. For example, pressing the hotkeys together with the “M” key
will cause the on-screen menu to be displayed on your monitor. Other hotkey
combinations allow you to query which server you are connected to and to
move the on-screen menu around the screen. You can also use the hotkeys
together with the port number to select a particular connected server.
Hotkeys :
Keypads Controls :
Exclusive Use :
Automatic Logout :
To get here
1 From a local, remote or global keyboard,
log on as ‘admin’ user.
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
Space-Toggle
-Up -Down
Keypads Controls
Settings: ENABLED, DISABLED
4 Select ‘Global Preferences’.
Esc-Quit
The key controls on the front of the ServSwitch CX may be disabled so that it is
only possible to select the special channels “o” (on-screen menu) and “0” (no
server channels selected).
Security
Settings: DISABLED, ENABLED
With security disabled there is no requirement for users to log-in to the system.
All users have full access to all the connected servers and full administration
rights. With security enabled, users are required to log-in to the ServSwitch CX.
Each user is allocated access rights to servers by the system administrator and
they are only able to see the servers that they have access to on their on-screen
menu.
Exclusive Use
Settings: ALLOWED, DISABLED
In normal operation, the ServSwitch CX will allow two or more users to share
access to a server. In this mode, the server’s video picture will be displayed on
all the users’ monitors but only one user may have active control of the server’s
keyboard and mouse at any one time. The ServSwitch CX detects an active user
by checking for keyboard and mouse data.
Language
Settings: ENGLISH, FRENCH, GERMAN, SWEDISH
A user becomes inactive if no keyboard or mouse data has been received by
the ServSwitch CX for a specified timeout period. Whilst one user is active all
the other users that are connected to the same server will see a “video only”
message displayed on their screen. There may be situations where particular
users wish to control and view a server in private with exclusive use. The
ServSwitch CX has the facility to allow users to select exclusive use of servers,
however, this facility should be used with care.
This option specifies the language that is used for the on-screen menu and the
keyboard layout that is assumed for the keyboard. When the French option is
selected the keyboard is assumed to have an AZERTY format. When the English,
German and Swedish options are selected the keyboard is assumed to have a
QWERTY format. The new language settings are enabled when you quit from
the SETUP OPTIONS menu. The language option only affects the way that the
ServSwitch CX interprets the keyboard keys, it does not affect the way that the
servers interpret the keyboard. It is advisable to avoid setting a language that
you do not understand as all the menus will change to use the new language
and you may have difficulty reselecting your original language.
Users that have selected exclusive access are never timed out by the ServSwitch
CX and so all other users are effectively “locked out” until the exclusive user
switches to another server or logs out. This could potentially be very irritating
if a user has selected exclusive use and has then left their desk without logging
out. This would prevent other users from working on the server until they SAMe
back. Consequently the system administrator can disable all exclusive use so that
all connections are shared.
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Setup Options (continued)
Automatic Logout
Settings: DISABLED, ENABLED
The ServSwitch CX enables you to restrict access to your servers on a login basis.
If a user forgets to logout when they have finished accessing the ServSwitch
CX then the user console may unintentionally be left with full access to all
the servers. The ServSwitch CX can be set to automatically logout unattended
user consoles when the screen saver kicks in. This reduces the risk of security
problems by preventing user consoles remaining in a permanent “logged-in”
state when there is no keyboard or mouse activity. The automatic logout feature
is only enabled when the screen saver feature is active (i.e. not disabled).
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Advanced Options
Advanced options are available only to the
Admin user and consist of settings that are
related to specialist areas such as power
control and DDC.
SERVSWITCH CX
Advanced Options
DDC Options
Power Control
To get here
1 From a local, remote or global keyboard,
log on as ‘admin’ user.
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
F1-More menus
Enter-Select
Esc-Quit
4 Select ‘Global Preferences’.
FirmwareVersion 1.02
Power Control
DDC Options
The options within this section are concerned with the operation of the POWER
CONTROL port when used to command optional system power control units.
The options within this section are related to the Display Data Channel features
supported by the ServSwitch CX. DDC is an industry standard format that allows
server systems to be informed of the capabilities of the video monitor connected
to them.
Baud Rate
Settings: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
DDC Source
Settings: AUTO, LOCAL, DEFAULT
Configures the communication speed of the POWER CONTROL port and must
match the speed used by the connected power switche(s). Note: The PSE508SA
and PSE508MA (not available in North America) power switches supplied by
Black Box require a setting of 9600.
Determines which user port monitor should be interrogated to discover its
capabilities. AUTO begins with the local user port and if it fails, it uses a set of
default values. The LOCAL setting forces the unit to interrogate only the local
monitor and DEFAULT uses only the pre-programmed settings.
Format
Settings: NONE.8.1, ODD.8.1, EVEN.8.1, NONE.8.2, NONE.7.2, ODD.7.2,
EVEN.7.2
DDC Refresh
Settings: AT START, DISABLED
Configures the data format used by the serial port and must match the format
used by the connected power switche(s). The NONE/ODD/EVEN portion relates
to the parity checking; the 7/8 value is the size of the data byte and the 1/2
value determines the stop bit(s) used after each data byte.
AT START sets the ServSwitch CX to read DDC information from the selected
source at power up. When DISABLED, no new DDC data is sought and existing
information is used. When viewing this menu, press F8 to discover DDC
information from the chosen source immediately.
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Unit Configuration
This page provides access to
a selection of both basic and
fundamental settings for the
ServSwitch CX with IP.
Configure IP port
SERVSWITCH CX
Unit Config
Available only on ServSwitch CX with
IP models, the IP port configuration
menu allows you to determine
SERVSWITCH CX
Configuration
Unit Configuration
Hardware
Firmware
Keyboard
Admin Pwd
Unit Name
Time
Rev 1
1.0b7
UK
Network Configuration
Modem Configuration
settings that relate directly to the
global (IP) user aspects of the unit:
Keyboard
AV CATx
• Unit Configuration
IP admin password, encryption
settings, etc.
Reset Configuration
Use the arrow buttons to match the
keyboard layout expected by the host
system.
11 : 14 : 44
27 Apr 2006
Prefer Off
Date
Encryption
Back
IP address, net mask, VNC port,
etc.
Admin Pwd
Enter the password that will be used
to gain administrator access to the
ServSwitch CX with IP. There can only
be one admin user and only that user
is given access to the configuration menus. The admin password background
will be red until a reasonably secure password has been entered, although this is
only advisory as any password or no password may be entered.
Enter-Select
-Up -Down
Esc-Exit
Space-Toggle
Enter-Select
-Up -Down
Esc-Exit
Baud rate, initialisation string,
etc.
Completely resets the IP portion
of the ServSwitch CX with IP unit.
Unit Name
The name entered here will be displayed on the local menus and the remote
VNC/browser windows.
To get here
1 From a local or remote (not accessible from a global keyboard), log on as
the ‘admin’ user.
Time and Date
Use the left and right arrow keys to select the correct time and date. The time
entry uses the 24 hour clock notation. The internal real time clock will continue
to run for roughly one week without power to the unit, after that it will be lost
and require resetting. Use the up and down arrow keys to move between each
of the sections within the time and date entries.
2 Press
3 Press
(hotkeys can change).
to select ‘More menus’.
4 Select ‘Functions’.
5 Select ‘Configure IP port’.
Encryption
Three options are available: Always on, prefer off, prefer on. The one to choose
details. The use of encryption imposes a slight performance overhead of roughly 10%
but is highly secure against third party intrusion.
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Network Configuration
Net Mask
This page allows you to configure the
various aspects of the IP port and its
relationship with the local network.
SERVSWITCH CX
Network Config
Also often called the ‘subnet-mask’, this value is used alongside the IP address
to help define a smaller collection (or subnet) of devices on a network. In this
way a distinction is made between locally connected devices and ones that are
reachable elsewhere, such as on the wider Internet. This process helps to reduce
overall traffic on the network and hence speed up connections in general.
MacAddr
Use DHCP
IPAddress
Net Mask
Gateway
VNC Port
HTTP Port
00:0F:58:40:07:FE
No
192.168.42.25
255.255.255.0
192.168.0.1
5900
Mac Addr
Media Access Control address – this
is the unique and unchangeable code
that was hard coded within your
ServSwitch CX with IP unit when it
was built. It consists of six 2-digit
hexadecimal (base 16) numbers
separated by colons. A section of
the MAC address identifies the
Gateway
80
This is the address of the device that links the local network (to which the
ServSwitch CX with IP is connected) to another network such as the Internet.
Usually this is a network switch or router and it will be used whenever a device
to be contacted lies outside the local network.
Clear IPAccess Control
Enter-Select
-Up -Down
Esc-Exit
Space-Toggle
VNC Port
manufacturer, while the remainder is effectively the unique electronic serial
number of your particular unit.
This is the logical link through which communications with a remote VNC viewer
a widely recognised port number for use by VNC software. However, in certain
circumstances it may be advantageous to alter this number - see Security issues
with ports for more details.
Use DHCP
DHCP is an acronym for ‘Dynamic Host Configuration Protocol’. Its function is
particularly useful when connecting to medium size or larger networks, such
as the Internet. When this option is selected, your ServSwitch CX with IP will
attempt to locate a DHCP server on the network. If such a server is located,
it will supply three things to the ServSwitch CX with IP: an IP address, an IP
network mask (also known as a Subnet mask) and a Gateway address. These
are not usually granted permanently, but on a ‘lease’ basis for a fixed amount
of time or for as long as the ServSwitch CX with IP remains connected and
Note: The VNC port and HTTP port can be set to the same port number in order
to simplify router and firewall configuration. If this is done then the ServSwitch
CX with IP will “listen” for both types of traffic on the single port.
HTTP Port
This is the logical link through which communications with a remote web
browser will be channelled. The default setting of 80 is an established standard
for web (HTTP – HyperText Transfer Protocol) traffic though this can be changed
to suit your local network requirements.
IP Address
This is the identity of the ServSwitch CX with IP within a network. The IP address
can be thought of as the telephone number of the ServSwitch CX with IP. Unlike
the MAC address, the IP address can be altered to suit the network to which it is
connected. It can either be entered manually or configured automatically using
the DHCP option. When the DHCP option is enabled, this entry is unavailable.
Clear IP Access Control
This option removes all entries from the IP access control feature within the
ServSwitch CX with IP. The IP access control feature (configurable by a global
admin user) allows certain network address ranges to be denied access to the
ServSwitch CX with IP. If set incorrectly, it is possible to exclude all network users
and so this option provides an emergency recovery point.
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Modem Configuration
Reset Configuration
This option allows you to completely reset the IP portion of the ServSwitch CX
with IP unit.
This page allows you to configure the
SERVSWITCH CX
COM1 serial port located at the rear of Modem Config
Server IP
Client IP
Baud Rate
InitString
192.168.3.1
192.168.3.2
115200
the ServSwitch CX with IP.
WARNING: This process will remove all network and modem/ISDN settings
and return the unit to use its original state. A complete reconfiguration will be
required before the IP features of the unit can be used.
Server IP / Client IP
ATZS0=1
When a user dials into the ServSwitch
CX with IP via a modem or ISDN
adapter, the ServSwitch CX with IP sets
up a temporary two-device network
using PPP (Point to Point Protocol).
For this purpose, both devices must
have ‘dummy’ IP addresses so that
they can communicate correctly. These
two addresses can be almost anything
To reset the ServSwitch CX with IP configuration
1 With the Reset Configuration option highlighted, press
.
Initialize Port
Restore Defaults
2 Access the Configure IP port option to view the initial IP configuration
Enter-Select
-Up -Down
Esc-Exit
Space-Toggle
expressed in the quad octet format (i.e. 192.168.3.1.). However, it is advisable
not to make them the same as the real IP addresses used by either the remote
system or the ServSwitch CX.
Baud Rate
This option configures the speed of the serial connection between the
ServSwitch CX with IP and a connected modem or ISDN terminal adapter. The
default setting is 115200. The other communication settings are fixed as: No
parity, 8 bit word, 1 stop bit.
Init String
The codes entered here are used to prepare the connected modem or ISDN
terminal adapter for use with the ServSwitch CX with IP. The default code
is a Hayes-compatible string to configure auto answer mode and would be
understood by the vast majority of modem/ISDN devices. The code is sent when
the ServSwitch CX with IP is first switched on or whenever the Initialize button is
clicked.
Initialize Port
When selected, this option sends the characters entered in the ‘Init string’ field
to the connected modem or ISDN terminal adapter.
Restore Defaults
When selected, this option resets the ‘Baud rate’ and ‘Init string’ values to their
original default settings.
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Clearing IP access control
This option removes all entries from the IP access control feature within the
ServSwitch CX with IP.
What is IP access control?
The IP access control feature (configurable by a remote admin user) allows
certain network address ranges to be denied access to the ServSwitch CX with
IP. If set incorrectly, it is possible to exclude all network users and so this option
provides an emergency recovery point.
To clear IP access control
1 From a local or remote (not
SERVSWITCH CX
Network Config
accessible from a global keyboard),
log on as the ‘admin’ user.
2 Press (hotkeys can
change).
3 Press
MacAddr
Use DHCP
IPAddress
Net Mask
Gateway
VNC Port
HTTP Port
00:0F:58:40:07:FE
No
192.168.42.25
255.255.255.0
192.168.0.1
5900
to select ‘More menus’.
4 Select ‘Functions’.
80
5 Select ‘Configure IP port’.
6 Highlight the ‘Clear IP access
Clear IPAccess Control
control’ option and press
.
Enter-Select
-Up -Down
Esc-Exit
Space-Toggle
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Appendix 2 - Configuration pages via viewer
This section covers the configuration pages that are available to global admin
users, using either the VNC viewer or the browser methods of access.
To access the remote configuration pages
ServSwitch CX with IP unit and login as the
admin user.
2 Once logged in, click the Configure button
in the top right corner of the window.
Main configuration page
Logged on users
Indicates the current users
irrespective of whether they are
connected locally, remotely, by
modem/ISDN or via a network.
Click the required option
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User accounts
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
This page allows you to manage up to sixteen separate accounts.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘User Accounts’ option.
The first of the sixteen accounts is the admin account and is the only account
with access rights to the configuration menus. The user name and access rights
are fixed for the admin account, the only change possible for this account is the
password.
There are fifteen user account positions.
User Name
All user names must consist of lower case characters or numbers only. No
symbols or upper case characters are permissible. The user name can be
between 1 and 16 characters in length.
Password
Passwords are case sensitive and can include certain keyboard symbols. The
password can be between 1 and 16 characters in length. It is important to note,
however, that the password background remains shaded in amber while the
ServSwitch CX with IP considers your entered password to be too easy to guess.
A suitable password is best constructed using a mixture of more than 6 letters,
numbers and punctuation characters.
Local
When ticked, the selected user can gain access using the local KVM console
directly connected to the ServSwitch CX with IP unit.
Modem
When ticked, the selected user can gain access via a modem or ISDN link
(requires external modem/ISDN equipment to be connected to the ServSwitch
CX with IP unit).
Remote
When ticked, the selected user can gain access via an IP network link, such as a
local intranet or the wider Internet (depending on how the ServSwitch CX with
IP is connected).
To create a new account
1 Enter the required User Name to activate that position (the Password and
access tick box positions will become editable).
Power
2 Optionally enter a password for the user account.
When ticked, the selected user will be permitted to control the power input to
host systems (requires optional power control switch unit(s) to be fitted).
3 Tick/untick the Local, Modem, Remote and Power options that are
appropriate to the user.
4 Click the Save button to register your changes.
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Unit configuration
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
This page provides access to a selection of both basic and advanced settings
for the ServSwitch CX with IP. Many of the settings displayed here are also
accessible through the on-screen menu.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Unit configuration’ option.
Hardware Version
Unit Name
Indicates the version of the electronic circuitry within the ServSwitch CX with IP
unit.
The name entered here will be displayed on the local menus and the remote
VNC viewer/browser windows.
Firmware Version
Encryption
Indicates the version of the hardwired software within the ServSwitch CX with IP
Three options are available: Always on, prefer off, prefer on. The one to choose
details. The use of encryption imposes a slight performance overhead of roughly 10%
but is highly secure against third party intrusion.
Host Keyboard Layout
Use the arrow buttons to match the keyboard layout expected by the host
system.
Admin Password
Enter the password that will be used to gain administrator access to the
ServSwitch CX with IP. There can only be one admin user and only that user is
given access to the configuration menus.
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Advanced unit configuration
Click this button to display advanced options that do not normally require alteration.
Mouse Latency Allowance
This option is used during calibration to account for latency delays (caused
as signals pass through a device) introduced by some KVM switches from
alternative manufacturers.
During calibration, the ServSwitch CX waits for 40ms after each mouse movement
before sampling the next. If a KVM device adds a significant delay to the flow
of data, the calibration process can be lengthened or may fail entirely. The value
entered here is added to (or subtracted from) the default 40ms sampling time.
Note: You can enter negative values (down to -40) in order to speed up the
calibration process when using fast KVM switches. Use this option with caution
as it can adversely affect the calibration process.
Mouse Rate
Defines the rate at which mouse movement data are transmitted to the system. The
default option is 20ms, which equates to 50 mouse events per second. This default
rate can prove too fast when passed through certain connected KVM switches from
alternative manufacturers. In such cases, data are discarded causing the local and
remote mouse pointers to drift apart. If this effect is encountered, increase the mouse
rate to around 30ms (data are then sent at a slower rate of 33 times per second).
Background Refresh Rate
Use the arrow keys to alter the refresh rate for screen images via remote links. This
allows you to tailor the screen refresh to suit the network or modem connection
speeds. The options are: Slow, Medium, Fast or Disabled. When the disabled
option is selected, the remote users will need to manually refresh the screen.
To get here
Note: When a low connection speed is detected, the background refresh is
automatically disabled, regardless of the settings of this option.
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Unit configuration’ option.
Single Mouse Mode Mouse Switch
Allows you to select the mouse button combination that can be used to exit from
single mouse mode (when active).
4 Click the ‘Advanced unit configuration’ option.
Force VNC Protocol ꢂ.ꢂ
IMPORTANT: The use of this option is not recommended. Protocol 3.3 is a legacy
version that does not offer any encryption.
Behaviour for admin connections when limit reached
Determines what should occur when four global connections already exist and
a fifth, administrator connection attempt is made. Options are: Replace oldest
connection, Replace newest connection and Don’t replace. Only non-administrator
connections can be terminated in this way.
Idle Timeout
Determines the period of inactivity on a global connection before the user is logged
out. The idle timeout period can be set to any time span, expressed in minutes.
Use VESA GTF
When ticked, the VESA Generalized Timing Formula will be used to help
determine the correct input video resolution and timing details. See Appendix 9
for a list of all supported video modes.
Protocol Timeout
Sets the time period by which responses should have been received to outgoing
data packets. If the stated period is exceeded, then a connection is considered
lost and terminated.
Upgrade firmware
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Time & date configuration
This page allows you to configure all aspects relating to time and date within the
ServSwitch CX with IP unit.
Timezone specifier
Optionally enter a recognised timezone specifier related to the current position
of the ServSwitch CX with IP unit. When an NTP server is used, the specifier will
be used to provide the correct real time.
The timezone specifier takes the following form:
std offset dst [offset],start[/time],end[/time]
The std and offset specify the standard time zone, such as GMT and 0, or
CET and -1, or EST and 5, respectively.
The dst string and [offset] specify the name and offset for the
corresponding Daylight Saving Time zone; if the offset is omitted, it defaults
to one hour ahead of standard time.
The remainder of the specification describes when Daylight Saving Time is
in effect. The start field is when Daylight Saving Time goes into effect and
the end field is when the change is made back to standard time. The most
common format used for the daylight saving time is: Mm.w.d
Where: m specifies the month and must be between 1 and 12. The day d
must be between 0 (Sunday) and 6. The week w must be between 1 and
5; week 1 is the first week in which day d occurs, and week 5 specifies the
last d day in the month.
The time fields specify when, in the local time currently in effect, the change
to the other time occurs. If omitted, the default is 02:00:00.
Typical examples are:
UK:
GMT0BST,M3.5.0/1,M10.5.0/2
CET-1CEST,M3.5.0/2,M10.5.0/3
EST5EDT,M4.1.0/2,M10.5.0/2
PST8PDT,M4.1.0/2,M10.5.0/2
EST5EDT,M3.2.0/2,M11.1.0/2
Central Europe:
US Eastern (2006):
US Pacific (2006):
US Eastern (from 2007):
Time and Date
Use the arrow buttons to set the correct current time.
Use NTP
US Pacific (from 2007): PST5PDT,M3.2.0/2,M11.1.0/2
When this option is selected, the ServSwitch CX will synchronise its internal
clocks using information from the (Network Time Protocol) server listed in the
NTP Server IP address field.
For further details
• For details of timezone specifier formats, please refer to:
NTP Server IP address
Optionally enter the IP address for a known Network Time Protocol server.
• For details of the Network Time Protocol (main RFC number: 1305; the SNTP
subset used as the basis for the ServSwitch CX with IP: 4330)
Set Time from NTP Server
Click to immediately use the time and date information from the listed NTP server.
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Network configuration
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
This page allows you to configure the various aspects of the IP port and its
relationship with the local network.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Network configuration’ option.
IP Address
This is the identity of the ServSwitch CX with IP within a network. The IP
address can be thought of as the telephone number of the ServSwitch CX with
IP. Unlike the MAC address, the IP address can be altered to suit the network
to which it is connected. It can either be entered manually or configured
automatically using the DHCP option. When the DHCP option is enabled, this
entry is greyed out.
IP Network Mask
to help define a smaller collection (or subnet) of devices on a network. In this
way a distinction is made between locally connected devices and ones that are
reachable elsewhere, such as on the wider Internet. This process helps to reduce
overall traffic on the network and hence speed up connections in general.
IP Gateway
This is the address of the device that links the local network (to which the
ServSwitch CX with IP is connected) to another network such as the wider
Internet. Usually the actual gateway is a network switch or router and it will be
used whenever a required address lies outside the current network.
VNC Port
MAC address
This is the logical link through which communications with a remote VNC viewer
a widely recognised port number for use by VNC software. However, in certain
circumstances it may be advantageous to alter this number - see ‘Security issues
with ports’ for more details.
Media Access Control address – this is the unique and unchangeable code that
was hard coded within your ServSwitch CX with IP unit when it was built. It
consists of six 2-digit hexadecimal (base 16) numbers separated by colons. A
section of the MAC address identifies the manufacturer, while the remainder is
effectively the unique electronic serial number of your particular unit.
HTTP Port
Use DHCP
This is the logical link through which communications with a remote web
established standard for web (HTTP – HyperText Transfer Protocol) traffic though
this can be changed to suit your local network requirements.
DHCP is an acronym for ‘Dynamic Host Configuration Protocol’. Its function is
particularly useful when connecting to medium size or larger networks, such
as the Internet. When this option is selected, your ServSwitch CX with IP will
attempt to locate a DHCP server on the network. If such a server is located,
it will supply three things to the ServSwitch CX with IP: an IP address, an IP
network mask (also known as a Subnet mask) and a Gateway address. These
are not usually granted permanently, but on a ‘lease’ basis for a fixed amount
of time or for as long as the ServSwitch CX with IP remains connected and
IP Access Control
This section allows you to optionally specify ranges of addresses which will
or won’t be granted access to the ServSwitch CX with IP. If this option is left
unchanged, then the default entry of ‘+0.0.0.0/0.0.0.0’ ensures that access from
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Setting IP access control
The golden rule with this feature is ‘Include before you exclude’ or to put it
another way ‘Arrange allowed addresses in the list before the denied addresses’.
To define a new IP access control entry
1 Click the Add button to display a popup dialog:
This is because the positions of entries in the list are vitally important. Once a
range of addresses is denied access, it is not possible to make exceptions for
particular addresses within that range. For instance, if the range of addresses
from A to F are denied access first, then the address C could not be granted
access lower down the list. Address C needs to be placed in the list before the
denied range.
IMPORTANT: This feature should be configured with extreme caution as it is
possible to deny access to everyone. If such an error occurs, see Clearing IP
access control for details about how to regain access.
Network/Address
Mask
Access
Enter the network address
that is to be allowed or denied
access. If a range of addresses
is being specified then specify
any one of the addresses
within the range and use the
Mask entry to indicate the size
of the range.
Enter an IP network mask
that indicates the range of
addresses that are to be
allowed or denied access.
For instance, if only a single
specified IP address were to be
required, the mask entry would
be 255.255.255.255 in order
to specify a single location. See
access control for details.
Use the arrow buttons to
select either ‘Allow’ or
‘Deny’ as appropriate.
In the list, access control addresses prefixed by ‘+’ are allow entries while those
prefixed by ‘– ‘ are deny entries.
access setting.
3 Click the OK button.
To reorder access control entries
IMPORTANT: When reordering, ensure that any specific allowed addresses are
listed higher in the list than any denied addresses. Take care not to invoke any
deny access settings that would exclude valid users.
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Network configuration’ option.
1
2
In the access control list, click on the entry to be moved.
Click the Up or Down buttons as appropriate.
To edit/remove access control entries
1
In the access control list, click on the appropriate entry.
2
Click either the Edit or Remove button as appropriate.
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Serial port configuration
This page provides all access to settings concerned with the two serial ports
(modem and power control) that are situated at the rear of the ServSwitch CX
with IP unit.
Modem port
PPP Server IP Address / PPP Client IP Address
When a user dials into the ServSwitch CX with IP via a modem or ISDN adapter,
the ServSwitch CX with IP sets up a temporary two-device network using PPP
(Point to Point Protocol). For this purpose, both devices must have ‘dummy’ IP
addresses so that they can communicate correctly. These two addresses can
be almost anything expressed in the quad octet format (i.e. 192.168.3.1.).
However, it is advisable not to make them the same as the real IP addresses used
by either the remote system or the ServSwitch CX with IP.
Baud Rate
This option configures the speed of the serial connection between the
ServSwitch CX with IP and a connected modem or ISDN terminal adapter. The
default setting is 115200. The other communication settings are fixed as: No
parity, 8 bit word, 1 stop bit.
Initialization Sequence
The codes entered here are used to prepare the connected modem or ISDN
terminal adapter for use with the ServSwitch CX with IP. The default code
is a Hayes-compatible string to configure auto answer mode and would be
understood by the vast majority of modem/ISDN devices. The code is sent when
the ServSwitch CX with IP is first switched on or whenever the Initialize button is
clicked.
Initialise
When clicked, this option sends the characters entered in the Initialization
sequence field to the connected modem or ISDN terminal adapter.
To get here
Restore Defaults
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
When clicked, this option resets the Baud rate and Initialization sequence values
to their original default settings.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Serial port configuration’ option.
Power control port
Baud Rate
This option configures the speed of the serial connection between the
ServSwitch CX with IP and a connected power control unit. The default setting is
9600 as used by the majority of power units. The other communication settings
are fixed as: No parity, 8 bit word, 1 stop bit.
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Host configuration
This page provides the opportunity to configure various details for each of the
host systems that may be connected to the ServSwitch CX with IP via one or
more KVM switch units. There are 128 entries, each of which can be configured
with a name, the permitted users, the hot key combinations required to switch
to it and, if required, appropriate power control commands.
To create a new host entry
1 Click one of the host entries to reveal a Host configuration dialog.
Name
Enter the name that will be displayed in the viewer window when you
click the Host button.
Users
Select the users that will be permitted to connect to this host. Either
enter to allow all users or a list of users separated by commas (e.g.
*
admin, nigel, andy, steve).
KVM Port
Declare the Port Direct address that will link with the required host
Power On
Enter the code required to make an attached power control unit apply
details.
Power Off
Add entry for unrecognised host
Enter the code required to make an attached power control unit remove
details.
When selected, any systems visited that are not specified in the Hosts list, will
be added to the list. Use with care when visiting complex cascaded systems.
Erase Host Configuration
2 Enter the required information in each field.
3 Click the OK button.
Removes all hosts from the list.
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Host configuration’ option.
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Port Direct
Port Direct is totally transparent communication system that allows supporting
devices to communicate with each other. Using the keyboard connections that
link each device, Port Direct allows:
• A controlling device to provide address details of the required port, the user’s
name and access rights, mouse calibration and video mode information.
• A controlled device to confirm the address and other details of the current
port.
Such communication simplifies both the configuration and selection of systems,
especially within a complex cascade structure. Port Direct also allows the
ServSwitch CX Hosts option to directly control the connected switching devices
(such as other ServSwitch CX units in cascade) and then apply the appropriate
video capture and mouse scaling settings. Port Direct provides excellent security
control to prevent users from accessing systems for which they do not access
rights (‘sideways movement’) because each unit is fully informed of each user’s
precise access rights.
Port/host addressing using Port Direct
When adding new servers to the Hosts list, the option ‘Add entry for
unrecognised host’ is provided to automatically add new entries if a port is
visited that does not already have a matching host entry. This is a useful option
for simple configurations, but should be used with care when complex cascades
of units are being used as it may lead to more host entries being added than are
strictly necessary.
Additionally, you can specify the port number of the required system using the
same format as if controlling the KVM switch directly. Port numbers MUST be
entered within square brackets and can be specified to a maximum of four
cascaded levels.
Examples
[ꢀꢅ]
selects port 16 and is equivalent to the hotkey sequence +CTRL+ALT+–
1+6
[ꢃꢀ0ꢄ] selects port 5 on ServSwitch CX unit that is cascaded through port
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Logging and status
This screen provides various details about the user activity on the ServSwitch CX
with IP unit.
To copy and paste the log
You can copy the information listed within the log and paste it into another
application.
Date and
time the
event
Type of event, user name and access
method or remote IP address
1 While viewing the log screen, press Ctrl and C, to copy the data into the
clipboard.
occurred
2 In a text application (i.e. Word, WordPad, Notepad) press Ctrl and V, or right
mouse click and ‘Paste’.
Syslog Server IP Address
Logging information can optionally be sent, as it occurs, to a separate system
using the standard Syslog protocol. Enter the IP address of a suitable system in
the field provided.
For further details
• For details of the Syslog protocol (RFC number: 3164)
To get here
1 Using VNC viewer or a browser, log on as the ‘admin’ user.
2 Click the ‘Configure’ button in the top right corner.
3 Click the ‘Logging and status’ option.
Click to clear
all log entries
Click to
refresh
the list
Optionally enter an
IP address to which
the status log should
be sent
Click to
return to
the main
menu
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Appendix 3 - VNC viewer connection options
When you are connecting to the
ServSwitch CX with IP using the
VNC viewer, a number of options
are available.
Colour/Encoding
Auto select
When ticked, this option will
examine the speed of your
connection to the ServSwitch CX
with IP and apply the most suitable
encoding method. This option
is suggested for the majority of
installations.
Click here to
access the options
There are six tabbed pages of options:
• Colour/Encoding
• Inputs
Preferred encoding
There are three manually selectable
encoding methods which are
accessible when the Auto select
option is unticked.
• Scaling
• Misc
• ZRLE – This is a highly
compressed method that is
best suited to slow modem
connections.
• Hextile – This method offers
better performance than the ZRLE when used over a high speed network
because there is no need for the ServSwitch CX with IP to spend time highly
compressing the data.
• Raw – This is a primitive, uncompressed method that is mainly used for
technical support issues. You are recommended not to use this method.
Colour level
This section allows you to select the most appropriate colour level for the speed
of the connection to the ServSwitch CX with IP. Where the connection speed
is slow or inconsistent there will be a necessary compromise between screen
response and colour depth.
• Full – This mode is suitable only for fast network connections and will pass
on the maximum colour depth being used by the host system.
• Medium (ꢁꢄꢅ colours) – This mode reduces the host system output
to a 256 colour mode and is more suitable for ISDN and fast modem
connections.
• Low (ꢅꢃ colours) – This mode is suitable for slower modem connections
IMPORTANT: If you make any changes to the options given here and wish to
retain them for successive connection sessions, you must save the changes.
To do this, change to the ‘Load/Save’ tab and click the ‘Save’ button within the
‘Default’ section.
and reduces the host system output to 64 colours.
• Very low (ꢇ colours) – This mode provides very rudimentary picture
quality and hardly any speed advantage over the 64 colour setting. You are
recommended not to use this mode.
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Inputs
Rate-limit mouse move events
Enable all inputs
When ticked, this feature reduces the mouse movement information that is sent
to the ServSwitch CX with IP and host system. This is useful for slow connections
and you will notice that the remote cursor will catch up with the local cursor
roughly once every second.
When selected, allows keyboard,
mouse and clipboard data to be
transferred between server and
viewer systems.
Enable 3-button mouse emulation
Disable all inputs (view-only
mode)
When selected, prevents control
data being passed between server
and viewer. Viewer can display the
server output, but cannot control it.
This feature allows you to use a 2-button mouse to emulate the middle button
of a 3-button mouse. When enabled, press the left and right mouse buttons
simultaneously to create a middle button action. You are advised to generally
use a 3-button mouse.
Pass special keys directly to server
When ticked, ‘special’ keys (the Windows key, the Print Screen key, Alt+Tab,
Alt+Escape and Ctrl+Escape) are passed directly to the ServSwitch CX with IP
rather than being interpreted locally.
Customise
Allows you to select which data can
be transferred between server and
viewer.
Menu key
This feature allows you to select which function key is used to display the VNC
viewer options menu. The menu key is only way to exit from the full screen
viewer mode.
Send pointer events to server
When un-ticked, the VNC viewer
will not send mouse movement or click data to the ServSwitch CX with IP or
host system.
Send keyboard events to server
When un-ticked, the VNC viewer will not send keyboard information to the
ServSwitch CX with IP or host system.
Send clipboard changes to server
This feature is restricted to software server versions of VNC and has no effect on
ServSwitch CX with IP installations.
IMPORTANT: If you make any changes to the options given here and wish to
retain them for successive connection sessions, you must save the changes.
To do this, change to the ‘Load/Save’ tab and click the ‘Save’ button within the
‘Default’ section.
Accept clipboard changes from server
This feature is restricted to software server versions of VNC and has no effect
on ServSwitch CX with IP installations, except for retreiving the activity log as
described in the logging and status section.
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Scaling
Misc
No Scaling
Shared connection (do not dis-
No attempt is made to make the
screen image fit the viewer window.
You may need to scroll horizontally
and/or vertically to view all parts of
the screen image.
connect other viewers)
This option does not apply to
ServSwitch CX with IP connections.
Full screen mode
When ticked, the VNC viewer will
launch in full screen mode. Use the
menu key (usually F8) to exit from
full screen mode.
Scale to Window Size
Adjusts the server screen image to
suit the size of the viewer window.
Custom Size
Render cursor locally
This option does not currently
apply to ServSwitch CX with IP
connections.
Adjusts the server screen image
according to the Width and Height
settings in the adjacent fields. A drop
box to the right of the fields allows
you to define the image size by
percentage or by pixels, as required.
Allow dynamic desktop resizing
When ticked, the viewer window
will be automatically resized
whenever the host system’s screen
resolution is altered.
Preserve Aspect Ratio
When ticked, maintains a consistent
ratio between the horizontal and
vertical dimensions of the screen
image.
Only use protocol version ꢂ.ꢂ
This option does not apply to ServSwitch CX with IP connections.
Beep when requested to by the server
When ticked, your local system will beep in response to any error beeps emitted
by the ServSwitch CX with IP.
Offer to automatically reconnect
When ticked, the viewer will offer to restore a lost connection with the server.
Try Single Sign-On if server allows it
This option does not apply to ServSwitch CX with IP connections.
IMPORTANT: If you make any changes to the options given here and wish to
retain them for successive connection sessions, you must save the changes.
To do this, change to the ‘Load/Save’ tab and click the ‘Save’ button within the
‘Default’ section.
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Identities
Load / Save
This feature helps your VNC
Configuration File - Reload
viewer to confirm that a
Allows you to load a configuration
file saved from this, or another
viewer.
revisited ServSwitch CX with IP is
genuine and not another device
masquerading as a ServSwitch CX
with IP. The list given will retain the
identities of all visited units (that
have full security enabled).
Configuration File - Save
Allows you to save the current
settings so that they can be copied
from one viewer to another.
When you first make a secure
connection to the ServSwitch CX
with IP, the security information
for that ServSwitch CX with IP unit
is cached within this Identities tab
(i.e. the “identity” is known). The
next time that you connect to the
ServSwitch CX with IP, its identity is
checked against the stored version.
If a mismatch is found between the
current and the stored identities
then a warning will be issued to you.
Configuration File - Save As...
Allows you to save the current
settings under a new name so that
they can be copied from one viewer
to another.
Defaults - Reload
When clicked, all connection
options are returned to the default
settings that are currently saved.
Defaults - Save
If an existing ServSwitch CX with IP is fully reconfigured then it will need
to issued with a new identity. In this case the previous identity, listed in this
tab, should be removed so that a new identity can be created on the next
connection.
When clicked, saves the current connection options as the default set that will
be used in all subsequent VNC connections.
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Appendix 4 - VNC viewer window options
Click the VNC icon in the top left corner of the viewer window (or press F8) to
display the window options:
Standard window control items
Full screen
Expands the VNC viewer window to fill the whole screen
with no visible window edges or toolbar. Press F8 to re-
display this menu.
Single mouse mode (P)
Used for fast network connections where a second,
“predictor” cursor is not required.
Ctrl, Alt, Send Fꢇ, Send Ctrl-Alt-Del
Sends the selected keypress(es) to the ServSwitch CX with
IP and host server. This is necessary because certain keys
and key combinations are trapped by the VNC viewer.
Refresh Screen
Requests data from the server for a complete redraw of
the screen image, not just the items that change.
New connection...
Displays the connection dialog so that you can log on to a
different ServSwitch CX or VNC server location.
Options...
Displays the full range of connection options - see
Appendix 3 for more details.
Connection info...
Displays various connection and display details.
About...
Displays information about your VNC viewer.
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Inputs
Appendix 5 - Browser viewer options
When you are connecting to
the ServSwitch CX with IP using
a Web browser, a number of
options are available.
View only (ignore mouse & keyboard)
When ticked, the viewer will not send keyboard
or mouse information to the ServSwitch CX
with IP or host server.
Accept clipboard from server
Click here to
access the options
This feature is restricted to software server
versions of VNC and has no effect on
ServSwitch CX with IP installations.
There are four options pages:
Send clipboard to server
This feature is restricted to software server versions of VNC and has no effect on
ServSwitch CX with IP installations.
Encoding and colour level
Auto select
When ticked, this option will examine the speed
of your connection to the ServSwitch CX with IP
and apply the most suitable encoding method.
This option is suggested for the majority of
installations.
Security
ꢄꢀꢁ bits (low security)
Selects the lowest level of encoding for
communications between the browser and the
ServSwitch CX with IP.
Preferred encoding
ꢀ0ꢁꢃ bits (medium security)
There are three manually selectable encoding
methods which are accessible when the Auto
select option is unticked.
Selects the middle level of encoding for
communications between the browser and the
ServSwitch CX with IP.
• ZRLE – This is a highly compressed method that is best suited to slow
modem connections.
ꢁ0ꢃꢇ bits (high security)
• Hextile – This method offers better performance than the ZRLE when used
over a high speed network because there is no need for the ServSwitch CX
to spend time highly compressing the data.
Selects the highest level of encoding for communications between the browser
and the ServSwitch CX with IP.
Misc
• Raw – This is a primitive, uncompressed method that is mainly used for
technical support issues. You are recommended not to use this method.
Shared (don’t disconnect other viewers)
This feature is restricted to software server
versions of VNC and has no effect on
ServSwitch CX with IP installations.
Colour level
The colour level is fixed at Medium (256 colours) for almost all browsers.
Render cursor locally
This feature is restricted to software server
versions of VNC and has no effect on
ServSwitch CX with IP installations.
Fast CopyRect
This feature is restricted to software server versions of VNC and has no effect on
ServSwitch CX with IP installations.
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Appendix 6 – Addresses, masks and ports
Net masks
IP address, network masks and ports are all closely linked in the quest for one
device to find another across disparate network links.
The net mask (or sub-net mask) informs a device as to its own position within a
network. From this it can determine whether any other device is within the same
local network or is situated further afield.
IP addresses
Taking the telephone number analogy given in the IP address section, in order
to use the telephone system efficiently, it is vital for you to know your location
relative to the person you are calling. In this way you avoid dialling unnecessary
numbers.
As a rough analogy, consider how you use the telephone system. The phone
number for Black Box in the US is 1-724-746-5500. This number consists of
three distinct parts:
When one network device needs to talk to another, the first thing that it will
do is a quick calculation using its own IP address, the other device’s IP address
and its own net mask. Suppose a device with address 192.168.142.154 and
net mask 255.255.255.0 needed to communicate with a device at address
192.168.142.22. The sending device would perform several calculations:
• 1 connects from another country to the US,
• 724 connects into Pennsylvania,
• 746 selects the telephone exchange in Lawrence, and
• 5500 is the unique code for Black Box within Lawrence.
The important parts of the whole number depend on where you are. If you were
based in the same local area as Black Box in the US, there would be no point
in dialling out of the US, or even out of the area. The only part of the whole
number that you are interested in is the final part: 5500.
1
Sending
device IP
address
Destination
device IP
address
192 168 142 154
192 168 142 000
192 168 142 22
192 168 142 000
In a similar way to the various parts of the telephone number, the four sections
(or Octets) of every IP address have different meanings or “weights”. Consider
the following typical IP address:
Net mask
Result
3
2
192.168.142.154
192 is the most global part of the number (akin to the 1 of the phone number)
and 154 is the most local (similar to the 5500 unique local code of the phone
number).
192.168.142.000 = 192.168.142.000 ? Answer: YEs
4
Address
is local
When two network devices communicate with each other, they always “dial the
whole number” regardless of their respective locations in a network. However,
they still need to know whether the other device is local to them or not, and this
is where the net mask comes into play.
1 The net mask is used to determine the local and global parts of the sender’s IP
address. Where there is 255 in the mask, the corresponding address slips through,
where there is a 0, it is blocked.
2 Where the net mask was 0, the corresponding part of the result is also zero - this
section is now known to be the local part of the IP address.
3 The same process is carried out for the destination address, again using the sender’s
net mask. Now the local parts of both addresses have been equalised to zero, because
their values are not important in determining whether they are both in the same local
network.
4 The results of the two net mask operations are now compared, if they match, the
destination is local. If not, then the sender will still use the same full destination IP
address but will also flag the message to go via the local network gateway and out
into the wider world.
The reason for doing this? It makes the network, as a whole, much more
efficient. If every message for every recipient was shoved straight out onto the
Internet, the whole thing would grind to a halt within seconds. Net masks keep
local traffic just that - local.
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Net masks - the binary explanation
To really understand the operation of a net mask it is necessary to delve deeper
into the life blood of servers – binary; this is native digital, where everything is
either a 1 (one) or 0 (zero), on or off, yes or no.
AND function’. The example of 255.255.255.0 is handy because the last octet
is completely zero and is “clean” for illustrative purposes. However, actual net
mask calculations are carried out, not on whole decimal numbers, but bit by bit
on binary numbers, hence the term ‘bit-wise’. In a real local network, a net mask
might be 255.255.255.240. Such an example would no longer be quite so clear,
until you look at the net mask in its binary form:
11111111.11111111.11111111.11110000
In this case, the four zeroes at the end of the net mask indicate that the local
part of the address is formed by only the last four bits. If you use the diagram
from the previous example and insert the new net mask, it will have the
following effect on the final result:
Decimal octet prior to AND
operation with net mask
154
192 168 142 154
192 168 142 144
Binary equivalent of ꢀꢄꢃ
10011010
1
0
1
0
1
0
1
0
Inside a bit-wise AND function
When you “open up” the last octet
of the net mask and look at the
binary inside, you can see the last
four zero bits preventing any 1’s in
the address from falling through.
10010000
Binary octet after AND
operation with net mask
Decimal equivalent of ꢀ00ꢀ0000
144
Thus, when 154 is bit-wise ANDed with 240, the result is 144. Likewise, any
local address from 192.168.142.144 through to 192.168.142.159 would
produce exactly the same result when combined with this net mask, hence they
would all be local addresses. However, any difference in the upper three octets
or the upper four bits of the last octet would slip through the mask and the
address would be flagged as not being local.
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Calculating the mask for IP access control
The permissible mask values (for all octets) are as follows:
The IP access control function uses a standard IP address and a net mask
notation to specify both single locations and ranges of addresses. In order to
use this function correctly, you need to calculate the mask so that it accurately
encompasses the required address(es).
Mask octet
255
Binary
Number of addresses encompassed
1 address
11111111
11111110
11111100
11111000
11110000
11100000
11000000
10000000
00000000
254
2 addresses
Single locations
252
4 addresses
Some of the simplest addresses to allow or deny are single locations. In this case
you enter the required IP address into the ‘Network/Address’ field and simply
enter the ‘Mask’ as 255.255.255.255 (255 used throughout the mask means
that every bit of the address will be compared and so there can only be one
unique address to match the one stated in the ‘Network/Address’ field).
248
8 addresses
240
16 addresses
224
32 addresses
192
64 addresses
128
128 addresses
256 addresses
All locations
The other easy setting to make is ALL addresses, using the mask 0.0.0.0 As
standard, the IP access control section includes the entry: 0.0.0.0/0.0.0.0
0
+
If the access control range that you need to define is not possible using one
address and one mask, then you could break it down into two or more entries.
Each of these entries could then use smaller ranges (of differing sizes) that,
when combined with the other entries, cover the range that you require.
The purpose of this entry is to include all IP addresses. It is possible to similarly
exclude all addresses, however, take great care not to do this as you instantly
Address ranges
For instance, to accurately encompass the range in the earlier example:
Although you can define ranges of addresses, due to the way that the mask
operates, there are certain restrictions on the particular ranges that can be set.
For any given address you can encompass neighbouring addresses in blocks of
either 2, 4, 8, 16, 32, 64, 128, etc. and these must fall on particular boundaries.
For instance, if you wanted to define the local address range:
192.168.142.67 to 192.168.142.93
You would need to define the following six address and mask combinations in
the IP access control section:
Network/address entry Mask entry
192.168.142.67 to 192.168.142.93
192.168.142.67
192.168.142.68
192.168.142.72
192.168.142.80
192.168.142.88
192.168.142.93
255.255.255.255
255.255.255.252
255.255.255.248
255.255.255.248
255.255.255.252
255.255.255.255
defines 1 address (.67)
The closest single block to cover the range would be the 32 addresses from:
192.168.142.64 to 192.168.142.95.
defines 4 addresses (.68 to .71)
defines 8 addresses (.72 to .79)
defines 8 addresses (.80 to .87)
defines 4 addresses (.88 to .92)
defines 1 address (.93)
The mask needed to accomplish this would be: 255.255.255.224
When you look at the mask in binary, the picture becomes a little clearer. The
above mask has the form: 11111111.11111111.11111111.11100000
Ignoring the initial three octets, the final six zeroes of the mask would ensure
that the 32 addresses from .64 (01000000) to .95 (01011111) would all be
details.
When defining a mask, the important rule to remember is:
There must be no ‘ones’ to the right of a ‘zero’.
For instance, (ignoring the first three octets) you could not use a mask that had
11100110 because this would affect intermittent addresses within a range in an
impractical manner. The same rule applies across the octets. For example, if you
have zeroes in the third octet, then all of the fourth octet must be zeroes.
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Ports
Security issues with ports
The settings of port numbers become important when the ServSwitch CX with IP
is situated behind a network firewall. In order for a remote VNC viewer or web
browser to make contact with your ServSwitch CX with IP, it is necessary for the
firewall to allow communication through a particular numbered port to occur.
then think of ports as extension numbers. In a company of any size, you
generally wouldn’t expect the accounts department to share the same telephone
with the technical department. Although their calls may all be related to the
same company, they concern very different aspects of that company.
One specific function of firewalls is to restrict access to ports in order to prevent
malicious attackers using them as a route into your network. Every new port
that is opened offers a new possibility for hackers and so the number of
accessible ports is purposefully kept to a minimum. In such cases, it may be
advantageous to change one or both ServSwitch CX with IP ports to use the
same number. The other alternative is to place the ServSwitch CX with IP unit
outside the firewall and take full advantage of its secure operation features – see
Networking issues for details.
It is the same with IP network connections. Although you have only one network
link into your server and only one IP address (phone number), you are probably
performing many different tasks through that one link, often at the same time.
Thus, when you browse the web your outgoing requests and the incoming
information are all channelled through port 80. When you send an email, it
travels through port 25 and when you transfer files you are, without knowing it,
using port 20.
IMPORTANT: The correct configuration of routers and firewalls requires
advanced networking skills and intimate knowledge of the particular network.
Black Box cannot provide specific advice on how to configure your network
devices and strongly recommend that such tasks are carried out by a qualified
professional.
At the “border crossing” between the wider Internet and every local network
attached to it, there is a router that is usually combined with a firewall. One of
its main tasks is to direct incoming traffic to the correct place within its local
network. A key piece of information to help it do this is the port number:
User with VNC viewer accesses
IP address: 129.7.1.10 (this
automatically uses port 5900).
User accesses the company
website at: 129.7.1.10 (this
automatically uses port 80).
Internet
Router/firewall address: ꢀꢁ9.ꢆ.ꢀ.ꢀ0
Router is programmed to send port 5900
VNC traffic to local address 192.168.0.3
and port 80 web traffic to local address
192.168.0.42
COMPUTER
1
2
3
4
PWR
USER
Web server
V
N
C
1
0
0
D
A
T
LNK
AUX
Web server has the local
IP address: 192.168.0.42
ServSwitch CX with IP
has the local IP address:
192.168.0.3
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Appendix 7 – Cable and connector specifications
ServSwitch CX to power switch cable
RS232 serial mouse to PS/2 converter cable
ꢅpin mini-DIN
female
9pin D-type
female
9pin D-type female
ꢃpin RJ9
NC
CLK
DAT
TXD
GND
+5V
-12V
5
1
2
3
4
6
1
2
5
4
6
7
3
8
9
DCD
RXD
GND
DTR
DSR
RTS
Power switch to power switch daisy chain cable
TXD (-12V)
CTS
Female
5
3
ꢃpin RJ9
ꢃpin RJ9
6
NC
NC
4
RI
1
2
RS232 serial flash upgrade cable
9pin D-type female
9pin D-type male
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Multi-head synchronisation cable
MASTER end
SLAVE end
9pin D-type male
9pin D-type male
Use this cable when two
ServSwitch CX devices are
being synchronised.
MASTER end
SLAVEꢀ end
9pin D-type male
9pin D-type male
Use this cable when three
ServSwitch CX devices are
being synchronised.
SLAVEꢁ end
9pin D-type male
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Appendix 8 – Hotkey sequence codes
These codes are used when defining hotkey switching sequences (macros) for
host servers and allow you to include almost any of the special keys on the
keyboard.
Permissible key presses
Creating macro sequences
Hot key macro sequences can be up to 256 characters long. All keys are
assumed to be released at the end of a line, however, you can also determine
that a key is pressed and released within a sequence. Any of the following three
examples will send a command that emulates and a press and release of the
Scroll Lock key:
Main control keys (see ‘Using abbreviations’)
|
|
|
|
|
|
|
|
|
|
Backspace Tab Return Enter Ctrl Alt Win Shift LShift RShift
|
|
|
|
|
|
|
|
LCtrl RCtrl LAlt AltGr RAlt LWin RWin Menu Escape Space
|
|
|
CapsLock NumLock PrintScreen Scrolllock
+SCROLL-SCROLL
+-SCROLL
+SCROLL-
Math operand keys (see ‘Using abbreviations’)
|
|
Add (Plus) Subtract (Minus) Multiply
Central control keys (see ‘Using abbreviations’)
Example:
|
|
|
|
|
Insert Delete Home End PageUp PageDown
+-SCROLL+-SCROLL+1+ENTER
|
|
|
|
|
Up Down Left Right Print Pause
Press and release scroll twice, press 1 then enter then release all keys (equivalent
definition is +SCROLL-SCROLL+SCROLL-SCROLL+1+ENTER-1-ENTER)
Keypad keys (see ‘Using abbreviations’)
|
|
|
|
KP_Insert KP_Delete KP_Home KP_End KP_PageUp
Using abbreviations
|
|
|
|
|
KP_PageDown KP_Up KP_Down KP_Left KP_Right KP_Enter
To reduce the length of the key definitions, any unique abbreviation for a
key can be used. For example: “scroll”, “scr” and even “sc” all provide an
identifiable match for “ScrollLock” whereas “en” could not be used because it
might mean “Enter” or “End” (“ent” would be suitable for “Enter”).
|
|
|
KP_Add KP_Subtract KP_Divide KP_Multiply
KP_0 to KP_9
Note: Hotkey sequences and abbreviations are not case sensitive.
Function keys
|
|
|
|
|
|
|
|
|
|
|
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
For information about where to enter these codes, please see the sections Host
ASCII characters
All characters can be entered using their ASCII codes, from 32 to 126 (i.e. A,B,C,
… 1,2,3 etc.) with the exception of the special characters ‘+’, ‘-’, ‘+–’ and ‘*’
which have special meanings, as explained below.
Codes with special meanings
+ means press down the key that follows
–
means release the key that follows
+– means press down and release the key that follows
* means wait 250ms (note: if a number immediately follows the asterisk, then
the delay will equal the number, in milliseconds)
Note: Hotkey sequences are not case sensitive.
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Appendix 9 – Supported video modes
The following video modes are supported and can be automatically configured
by the ServSwitch CX units. If a recognised video mode cannot be found, the
ServSwitch CX will gradually change some of the key parameters to discover
whether a video lock can be achieved. Support for VESA GTF (Generalized
Timing Formula) is available and can be enabled via the Advanced Unit
Configuration screen.
The half width video modes capture every other pixel. These are not generally
recommended for normal use but may be used for emergency access to high
resolution, high frequency system screens. Half width screens can be expanded
to normal width using the scaling features of the viewer.
vesa 720 x 400 @ 70Hz*
sun 1152 x 900 @ 66Hz
sun 1152 x 900 @ 76Hz
sun 1280 x 1024 @ 67Hz
vesa 720 x 400 @ 85Hz
vesa 640 x 480 @ 60Hz
vesa 640 x 480 @ 72Hz
vesa 640 x 480 @ 75Hz
vesa 640 x 480 @ 85Hz
apple 640 x 480 @ 67Hz
apple 832 x 624 @ 75Hz
apple 1152 x 870 @ 75Hz
vesa 800 x 600 @ 56Hz
vesa 800 x 600 @ 60Hz
vesa 800 x 600 @ 72Hz
1900 x 1200 @ 60Hz**
vesa 800 x 600 @ 75Hz
vesa 800 x 600 @ 85Hz
vesa 1024 x 768 @ 60Hz
vesa 1024 x 768 @ 70Hz
vesa 1024 x 768 @ 75Hz
vesa 1024 x 768 @ 85Hz
vesa 1152 x 864 @ 75Hz
vesa 1280 x 960 @ 60Hz
vesa 1280 x 1024 @ 60Hz
vesa 1280 x 1024 @ 75Hz
vesa 1600 x 1200 @ 60Hz
vesa 1600 x 1200 @ 65Hz half-width
vesa 1600 x 1200 @ 70Hz half-width
vesa 1600 x 1200 @ 75Hz half-width
vesa 1600 x 1200 @ 85Hz half-width
* Not actually a VESA mode but a common DOS/BIOS mode
** May also work on some systems when the operating temperature of the ServSwitch
CX is controlled.
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Safety information
• For use in dry, oil free indoor environments only.
• Both the ServSwitch CX and its power supply generate heat when in
operation and will become warm to the touch. Do not enclose them or
place them locations where air cannot circulate to cool the equipment. Do
not operate the equipment in ambient temperatures exceeding 40 degrees
Centigrade. Do not place the products in contact with equipment whose
surface temperature exceeds 40 degrees Centigrade.
• Warning - live parts contained within power adapter.
• No user serviceable parts within power adapter - do not dismantle.
• Plug the power adapter into a socket outlet close to the module that it is
powering.
• Replace the power adapter with a manufacturer approved type only.
• Do not use the power adapter if the power adapter case becomes damaged,
cracked or broken or if you suspect that it is not operating properly.
• If you use a power extension cord with the ServSwitch CX, make sure the
total ampere rating of the devices plugged into the extension cord does
not exceed the cord’s ampere rating. Also, make sure that the total ampere
rating of all the devices plugged into the wall outlet does not exceed the
wall outlet’s ampere rating.
• Do not attempt to service the ServSwitch CX yourself.
Safety considerations when using power switches with ServSwitch CX
• Follow the manufacturer’s instructions when setting up and using power
switching products.
• Always ensure that the total ampere rating of the devices plugged into the
power switching product does not exceed the power switching product’s
ampere rating. Also, make sure that the total ampere rating of all the
devices plugged into the wall outlet does not exceed the wall outlet’s
ampere rating.
General Public License (Linux)
The ServSwitch CX runs an embedded version of the Linux operating system,
licensed under the GNU General Public License. To obtain the source code for
the open-source components of the system visit:
http://www.realvnc.com/products/WizardIP/gpl.html
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ꢃ. Limitation on Liability
End user licence agreement
UNDER NO CIRCUMSTANCES SHALL REALVNC BE LIABLE FOR ANY
CONSEQUENTIAL INDIRECT OR INCIDENTAL DAMAGES WHATSOEVER
INCLUDING LOST PROFITS OR SAVINGS ARISING OUT OF THE USE OF THE
SOFTWARE, THE SERVICE OR THE INFORMATION, RELIANCE ON THE DATA
PRODUCED OR INABILITY TO USE THE SOFTWARE, THE SERVICE OR THE
INFORMATION EVEN IF REALVNC HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. BECAUSE SOME STATES AND COUNTRIES DO NOT ALLOW
THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR
INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
PLEASE READ THIS AGREEMENT CAREFULLY. THIS AGREEMENT CONCERNS
ENHANCED VNC VIEWER SOFTWARE (“the SOFTWARE”) FOR USE WITH THE
ServSwitch CX PRODUCT (“the PRODUCT”). THE SOFTWARE IS PROVIDED TO
ENABLE YOU TO OPERATE THE PRODUCT. BY USING ALL OR ANY PORTION
OF THE SOFTWARE YOU ACCEPT ALL THE TERMS AND CONDITIONS OF THIS
AGREEMENT. IF YOU DO NOT ACCEPT ALL THE TERMS AND CONDITIONS
OF THIS AGREEMENT THEN DO NOT USE THE SOFTWARE. BY USING ANY
UPDATED VERSION OF THE SOFTWARE WHICH MAY BE MADE AVAILABLE, YOU
ACCEPT THAT THE TERMS OF THIS AGREEMENT APPLY TO SUCH UPDATED
SOFTWARE.
NOTHING IN THIS AGREEMENT LIMITS LIABILITY FOR DEATH OR PERSONAL
INJURY ARISING FROM A PARTY’S NEGLIGENCE OR FROM FRAUDULENT
MISREPRESENTATION ON THE PART OF A PARTY
ꢀ. Intellectual Property Rights
ꢄ. Export Control
The Software and its structure and algorithms are protected by copyright and
other intellectual property laws, and all intellectual property rights in them
belong to RealVNC Limited (“RealVNC”), a United Kingdom Limited Company,
or are licensed to it. You may not reproduce, publish, transmit, modify, create
derivative works from, publicly display the Software or part thereof. Copying
or storing or using the Software other than as permitted in Clause 2 is expressly
prohibited unless you obtain prior written permission from RealVNC.
The United States and other countries control the export of Software and
information. You are responsible for compliance with the laws of your local
jurisdiction regarding the import, export or re-export of the Software, and agree
to comply with such restrictions and not to export or re-export the Software
where this is prohibited. By downloading the Software, you are agreeing that
you are not a person or entity to which such export is prohibited.
ꢅ. Term and Termination
ꢁ. Permitted and Prohibited Uses
This licence shall continue in force unless and until it is terminated by RealVNC
by e-mail notice to you, if it reasonably believes that you have breached a
material term of this Agreement
2.1 During the term of this Agreement and as long as you comply with the
terms of this agreement, you may use the Software only with the Product
for your personal use or for the internal use of your business. You may
make as many copies of the Software as you require for your own internal
business purposes only and for archival purposes. You are expressly
prohibited from distributing the Software in any format, in whole or in
part, for sale, or for commercial use or for any unlawful purpose.
In the case above, you must delete and destroy all copies of the Software in your
possession and control and overwrite any electronic memory or storage locations
containing the Software.
ꢆ. General Terms
2.2 You may not rent, lease or otherwise transfer the Software or allow it
to be copied. Unless permitted by law, you may not reverse engineer,
decompile or disassemble the Software.
7.1 The construction, validity and performance of this Agreement shall be
governed in all respects by English law, and the Parties agree to submit to
the exclusive jurisdiction of the English courts.
7.2 If any provision of this agreement is found to be invalid by any court
having competent jurisdiction, the invalidity of such provision shall not
affect the validity of the remaining provisions of this agreement, which
shall remain in full force and effect.
ꢂ. Warranty
REALVNC DOES NOT WARRANT ANY RESULTS OBTAINED USING THE
SOFTWARE. TO THE EXTENT PERMITTED BY LAW, REALVNC DISCLAIMS
ALL OTHER WARRANTIES ON THE SOFTWARE, EITHER EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY, NON-INFRINGEMENT OF THIRD PARTY RIGHTS AND FITNESS
FOR PARTICULAR PURPOSE.
7.3 No waiver of any term of this agreement shall be deemed a further or
continuing waiver of such term or any other term.
7.4 This agreement constitutes the entire agreement between you and
RealVNC.
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Radio Frequency Energy
A Category 5 (or better) twisted pair cable must be used to connect the units in
order to maintain compliance with radio frequency energy emission regulations
and ensure a suitably high level of immunity to electromagnetic disturbances.
All other interface cables used with this equipment must be shielded in order
to maintain compliance with radio frequency energy emission regulations and
ensure a suitably high level of immunity to electromagnetic disturbances.
FCC Compliance Statement (United States)
European EMC directive 89/336/EEC
This equipment generates, uses and can radiate radio frequency energy
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference to radio communication.
It has been tested and found to comply with the limits for a class A computing
device in accordance with the specifications in Subpart J of part 15 of FCC rules,
which are designed to provide reasonable protection against such interference
when the equipment is operated in a commercial environment. Operation of this
equipment in a residential area may cause interference, in which case the user at
his own expense will be required to take whatever measures may be necessary
to correct the interference. Changes or modifications not expressly approved by
the manufacturer could void the user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a class
A computing device in accordance with the specifications in the European
standard EN55022. These limits are designed to provide reasonable protection
against harmful interference. This equipment generates, uses and can radiate
radio frequency energy and if not installed and used in accordance with the
instructions may cause harmful interference to radio or television reception.
However, there is no guarantee that harmful interference will not occur in a
particular installation. If this equipment does cause interference to radio or
television reception, which can be determined by turning the equipment on
and off, the user is encouraged to correct the interference with one or more
of the following measures: (a) Reorient or relocate the receiving antenna. (b)
Increase the separation between the equipment and the receiver. (c) Connect
the equipment to an outlet on a circuit different from that to which the receiver
is connected. (d) Consult the supplier or an experienced radio/TV technician for
help.
Canadian Department of Communications RFI statement
This equipment does not exceed the class A limits for radio noise emissions from
digital apparatus set out in the radio interference regulations of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de la classe A prescrites dans
le règlement sur le brouillage radioélectriques publié par le ministère des
Communications du Canada.
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FCC requirements for telephone-line equipment Certification notice for equipment used in
1 The Federal Communications Commission (FCC) has established rules which
Canada
permit this device to be directly connected to the telephone network with
standardized jacks. This equipment should not be used on party lines or coin
lines.
The Canadian Department of Communications label identifies certified
equipment. This certification means that the equipment meets certain
telecommunications-network protective, operation, and safety requirements.
2 If this device is malfunctioning, it may also be causing harm to the telephone
network; this device should be disconnected until the source of the problem
can be determined and until the repair has been made. If this is not done,
the telephone company may temporarily disconnect service.
The Department does not guarantee the equipment will operate to the user’s
satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company.
3 If you have problems with your telephone equipment after installing
this device, disconnect this device from the line to see if it is causing the
problem. If it is, contact your supplier or an authorized agent.
The equipment must also be installed using an acceptable method of
connection. In some cases, the company’s inside wiring associated with a
single-line individual service may be extended by means of a certified connector
assembly (extension cord). The customer should be aware that compliance with
the above conditions may not prevent degradation of service in some situations.
4 The telephone company may make changes in its technical operations and
procedures. If any such changes affect the compatibility or use of this device,
the telephone company is required to give adequate notice of the changes.
Repairs to certified equipment should be made by an authorized Canadian
maintenance facility—in this case, your supplier. Any repairs or alterations
made by the user to this equipment, or equipment malfunctions, may give
the telecommunications company cause to request the user to disconnect the
equipment.
5 If the telephone company requests information on what equipment is
connected to their lines, inform them of:
a The telephone number that this unit is connected to.
b The ringer equivalence number.
c The USOC jack required: RJ-11C.
Users should ensure for their own protection that the electrical ground
connections of the power utility, telephone lines, and internal metallic water
pipe system, if present, are connected together. This precaution may be
particularly important in rural areas.
d The FCC registration number.
Items (b) and (d) can be found on the unit’s FCC label. The ringer
equivalence number (REN) is used to determine how many devices can be
connected to your telephone line. In most areas, the sum of the RENs of all
devices on any one line should not exceed five (5.0). If too many devices are
attached, they may not ring properly.
CAUTION:
Users should not attempt to make such connections themselves, but should
contact the appropriate electric inspection authority, or electrician, as
appropriate.
6 In the event of an equipment malfunction, all repairs should be performed
by your supplier or an authorized agent. It is the responsibility of users
requiring service to report the need for service to the supplier or to an
authorized agent.
The LOAD NUMBER (LN) assigned to each terminal device denotes the
percentage of the total load to be connected to a telephone loop which is used
by the device, to prevent overloading. The termination on a loop may consist of
any combination of devices, subject only to the requirement that the total of the
load numbers of all the devices does not exceed 100.
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Normas Oficiales Mexicanas (NOM) electrical
safety statement
Instrucciones de seguridad
1 Todas las instrucciones de seguridad y operación deberán ser leídas antes de
que el aparato eléctrico sea operado.
15 En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16 El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
2 Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
3 Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
18 Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
4 Todas las instrucciones de operación y uso deben ser seguidas.
5 El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca
de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc.
6 El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
E: El aparato ha sido tirado o su cubierta ha sido dañada.
8 Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más
allá a lo descrito en las instrucciones de operación. Todo otro servicio deberá
ser referido a personal de servicio calificado.
9 El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10 El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11 El aparato eléctrico deberá ser connectado a una fuente de poder sólo
del tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12 Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13 Los cables de la fuente de poder deben ser guiados de tal manera que
no sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen del
aparato.
14 El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
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© 2007 Black Box Corporation
All trademarks are acknowledged.
Black Box Corporation,
1000 Park Drive,
Lawrence,
PA 15055-1018,
United States of America
Tel: +1-724-746-5500
Fax: +1-724-746-0746
Documentation by:
www.ctxd.com
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Index
B
COM1
COM2
Compensation
Computer
Computer system
Controls
Control menus
Control strings
F
A
Binary
Brackets
Firewall 40
Firmware
Access
Access control
Access mode
Account
Address
Addressing
ADMIN
forgotten password 34
password 24
Admin password
Advanced unit configuration
Artifacts
on screen 58
Format
Front panel
Browser
D
controls 48
Date
DDC
DHCP
Dial up
Full screen mode
C
Cable lengths
Calibrate
G
Gateway
Global preferences 70,74
Global user
screen 60
Calibrate all
Cascade
saving and restoring 33
keyboard 9
power control 15
DNS addressing 41
groups 17
E
H
Cascaded computers
Encryption
Extender
Hosts
Cascade connections
addressing 18
introduction 16
Clear IP access control 78
Client IP
Host server
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Hotkeys
K
N
PPP client IP address 86
PPP server IP address 86
Private
Screensaver
Security
Selecting
Serial port
Server
Keyboard codes
Keyboard layout
Network port
codes and macros 102
HTTP port
when altered 40
R
L
Refresh screen 61
Remote configuration
advanced unit configuration
setting IP access control 85
Remote user
Restore Defaults
O
Local network
Local user
I
P
Identities
Parts
VNC Viewer 93
Initialize port
Init string
IP access control 84,85
Password
Port number
Logging in and out
Server Access Module
Server IP
M
Shared
Slow connections
MAC address 76,83,84
Mask
for IP access control 98
Menu bar
Menu key
Modem
Power control
Power strings
IP address
IP port
IP port configuration
ISDN
Power supply
T
S
Power switching
addressing 15
Testing
SAM
Scaling
VNC Viewer 92
Screen
best resolution 58
refresh 61
Mouse
links to cascaded computers
Threshold
Time
control 61
Multiple video head
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BlackBox subsidiary contact details
Country
Web Site/Email
Phone
Fax
United States
www.blackbox.com
724-746-5500
724-746-0746
Austria
www.black-box.at
+43 1 256 98 56
+43 1 256 98 56
support@black-box.at
Belgium
www.blackbox.be
+32 2 725 85 50
+32 2 725 92 12
support.nederlands@blackbox.be
support.french@blackbox.be
support.english@blackbox.be
Denmark
Finland
France
www.blackbox.dk
support@blackbox.dk
+45 56 63 30 10
+35 201 888 800
+33 1 45 606 717
+49 811 5541 110
+39 02 27 404 700
+31 30 241 7799
+47 55 300 710
+34 9162590732
+46 8 44 55 890
+41 55 451 70 71
+44 118 965 6000
+353 1 662 2466
+45 56 65 08 05
+35 201 888 808
+33 1 45 606 747
+49 811 5541 499
+39 02 27 400 219
+31 30 241 4746
+47 55 300 701
+34 916239784
+46 08 38 04 30
+41 55 451 70 75
+44 118 965 6001
+353 1 662 2477
www.blackbox.fi
tuki@blackbox.fi
www.blackbox.fr
tech@blackbox.fr
Germany
Italy
www.black-box.de
techsupp@black-box.de
www.blackbox.it
supporto.tecnico@blackbox.it
Netherlands
Norway
Spain
www.blackbox.nl
techsupport@blackbox.nl
www.blackboxnorge.no
support@blackboxnorge.no
www.blackbox.es
tecnico@blackbox.es
Sweden
Switzerland
UK
www.blackboxab.se
support@blackboxab.se
www.black-box.ch
support@black-box.ch
www.blackbox.co.uk
techhelp@blackbox.co.uk
Ireland
www.blackbox.co.uk
techhelp@blackbox.co.uk
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