®
System 9760®
CM9760-HS
Hot Switch
Installation/
Operation Manual
C578M-A (4/05)
USA and Canada: Tel (800) 289-9100 • FAX (800) 289-9150
International Customers: Tel +1(559) 292-1981 • FAX +1(559) 348-1120
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LIST OF ILLUSTRATIONS
SECTION 1.0: INTRODUCTION
1-1. HS Block Diagram ................................................................................................................ 6
1-2. CC1 Connection Groups ...................................................................................................... 7
1-3. HS Rear Views and CCC Subunit Front Panel .................................................................... 8
1-4. Data Cable Identification ...................................................................................................... 9
1-5. Data Cable Wiring ................................................................................................................ 9
1-6. COM 2 Port Options ............................................................................................................ 11
1-7. SEU Port Relationships ...................................................................................................... 12
1-8. Port Connection Mnemonic ................................................................................................. 13
1-9. RJ-45 Pin Detail .................................................................................................................. 13
1-10. SEU Master/Slave Wiring Diagram ..................................................................................... 13
1-11. Basic Hookup, Wire Routes ................................................................................................ 15
SECTION 2.0: INSTALLATION
2-1. Data Cable Wiring Detail
2-2. Diagnostic Group, Cabling Detail ......................................................................................... 17
2-3. External Expansion Cabling Detail....................................................................................... 18
2-4. DIP Switch Configuration ..................................................................................................... 19
2-5. Initialization Status, Default.................................................................................................. 20
SECTION 3.0: OPERATION
3-1. System Window Online Status............................................................................................. 26
SECTION 4.0: APPENDICES
A4-1. Hot Switch Comparison Summary ..................................................................................... 32
A4-2. HS-NIU Connections ......................................................................................................... 34
A4-3. Hot Switch Interfaced NIU .................................................................................................. 35
A4-4. Data Rate vs. Cable Length............................................................................................... 36
A4-5. Keyboard (Local Hookup) .................................................................................................. 37
A4-6. Remote Wiring a CM9760-KBD ......................................................................................... 38
SECTION 5.0: GENERAL
5-1. CM9760-HS Dimension Drawing ......................................................................................... 41
LIST OF TABLES
SECTION 3.0: OPERATION
A LED Activity ............................................................................................................................... 23
B Front Panel Button Operation ................................................................................................... 24
C System FAULT Response......................................................................................................... 25
D Diagnostic Displays .................................................................................................................. 27
E System Update of Hardware/Software, Starting from Default Mode ........................................ 29
SECTION 4.0: APPENDICES
Table A4-A. (TIA/EIA-422*) Cable Example .................................................................................. 39
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IMPORTANT SAFEGUARDS AND WARNINGS
Prior to installation and use of this product, the following WARNINGS should be observed.
1. Installation and servicing should only be done by qualified service personnel and conform to all
local codes.
2. Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X, 6, or 6P enclosure, it is
designed for indoor use only and it must not be installed where exposed to rain and moisture.
3. The installation method and materials should be capable of supporting four times the weight of
the unit and equipment.
4. Only use replacement parts recommended by Pelco.
5. After replacement/repair of this unit’s electrical components, conduct a resistance measurement
between line and exposed parts to verify the exposed parts have not been connected to line
circuitry.
6. If the unit has fuses, replace fuses only with the same type fuses for continued protection
against risk of fire.
The product and/or manual may bear the following marks:
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
C A U T I O N :
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
This symbol indicates that there are important operating
and maintenance instructions in the literature accompany-
ing this unit.
Please thoroughly familiarize yourself with the information in this manual prior to installation and operation.
REGULATORY NOTICES
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
RADIO AND TELEVISION INTERFERENCE
This equipment has been tested and found to comply with the limits of a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. 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 communications. However there is no guarantee that the
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV technician for help.
You may also find helpful the following booklet, prepared by the FCC: “How to Identify and Resolve
Radio-TV Interference Problems.” This booklet is available from the U.S. Government Printing Office,
Washington D.C. 20402.
Changes and modifications not expressly approved by the manufacturer or registrant of this
equipment can void your authority to operate this equipment under Federal Communications
Commission’s rules.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
C578M-A (4/05)
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9760 HS COMMUNICATIONS
PARAMETERS
NOTE: For those familiar with device attachment to 9700 Systems, a convenient reference box
is provided in the left margin that lists the communication parameters for hot-switch-interfaced
nodes (CC1 to HS), and for hot-switch-interfaced NIUs (NIU to HS). Refer to Appendix 4.4, HS
and Networked Interfaced Configurations, for more information.
CC1 to HS Interface:
(Comm Parameters)
Equipment #
Baud Rate
Parity
16
9600
EVEN
IMPORTANT NOTE: Users upgrading from previous hot switch models should consult
Appendix 4.2 HS Update (Previous Model of Hot Switch Installed), where important differences
between previous and current models are highlighted.
NIU to HS Interface:
(Comm Parameters)
Equipment #
Baud Rate
Parity
41
9600
EVEN
20052
SECTION 1.0: INTRODUCTION
1.1 HS DEFINED
The CM9760-HS (Hot Switch) provides single-node, switching control between two CM9700-CC1
matrix switches. The default HS package consists of three subunits*, interconnected via in out, DB37,
male-to-male, molded cables that form a common bus for the subunits. These units provide the
interfaced system with operational redundancy.
Failure of the controlling matrix switch (designated the Master) passes control to the backup (designated
the Slave). Conversely, if the Slave unit fails, control remains with the Master unit. Any system failure
generates a system error that lights the FAULT LED (visual), and turns on an accompanying audible tone.
The audible signal is automatic unless turned off by DIP switch 1-1 (see Figure 2-4, DIP Switch
Configuration). Figure 1-1 depicts the basic physical relationship between the HS, the interfaced CC1s,
and the external devices connected to the CPS and SEU output ports.
* The Serial Expansion Unit (SEU) is one of these units. However, it varies in number from one
(default), up to a possible eight units, depending on system configuration. Additional SEU units are
physically added to the hot switch via the HS common bus. Two SEU units are needed to interface a
fully populated CC1 (four Sercom cards containing a total of 32 ports). Future development may
require more than 32 Sercom ports to be interfaced. When that happens, SEU units (up to eight
total) can be added to the common bus to accommodate the increase in Sercom port population.
HS
CCC
CC1 A
HS CONTROL
INPUT
INPUT
CPS
OUTPUT
DIAGNOSTIC
PERIPHERAL
INPUT
A
A
B
B
C
SEU
INPUT
OUTPUT
EXTERNAL
EXPANSION
C
CC1 B
20057
Figure 1-1. HS Block Diagram
Diagnostic equipment connected to CPS output ports display the status of HS health. Other devices,
connected to SEU output ports are under CC1 A or CC1 B control. For this reason, the interfaced
matrix switches must be hardware-software clones of each other in order for either to control the
same set of devices and to ensure a smooth transfer if a control transition (changeover) occurs.
Matrix switch equality is assured in the following manner:
•
•
Both switches must physically interface the HS in the same way. All cables and connections on
the A-side, switch-to-HS interface, are duplicated on the B-side. Basic interface requirements are
discussed in installation subsection 2.1 Physical. Additional installation issues, beyond basic
setup, are discussed in Section 4.0 Appendices.
The physical equivalence of the matrix switches is likewise mirrored in their respective software
configuration file sets (Comms, Monitor, Camera, etc.) that are used to initialize and operate
each switch. Both sets must be identical.
Refer to the CM9700-MGR Getting Started Software Guide, on-screen help, or Online Help for
information about programming configuration files.
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1.2 CC1 CONNECTION GROUPS
The rear view of a matrix switch (referenced in the block diagram of Figure 1-1) is shown in
Figure 1-2. Outputs destined for HS connections can be categorized, corresponding to the designated
functions of the subunits to which they are attached on the hot switch. For discussion purposes, these
outputs are partitioned into three groups: the Control group, the Diagnostic-Peripheral group and the
External Expansion group.
CC1 A
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
PRINTER
COM 1 COM 2
TO THE
SEU
EXTERNAL
EXPANSION
GROUP
TO THE
CPS
TO THE
CCC
CONTROL
GROUP
DIAGNOSTIC-PERIPHERAL GROUP
20058
Figure 1-2. CC1 Connection Groups
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1.3 HS HARDWARE THUMBNAIL
Figure 1-3 expands the HS portion of Figure 1-1 to illustrate an uncluttered, thumbnail rear view of the
hot switch subunits that comprise a default HS configuration. Connection cable destinations from each
CC1 (matrix switch), referenced in the previous figure, are attached to the appropriate side (CC1 ‘A’ or
CC1 ‘B’) of the hot switch subunits. The subunit acronyms have the following meanings: the CCC
(Computer Changeover Control), the CPS (Computer Peripheral Switch) and the SEU (Serial
Expansion Unit).
Note that the CCC front panel is included in this illustration. Operation buttons for the user are located
there. Also shown is the 37-pin, D-type, molded cable, used to create common bus connectivity
between the subunits. (Except for the CPS, one DB37 cable is supplied with each subunit). Front
panels for the CPS and SEU are similar to that shown for the CCC (minus the operation buttons), with
labeling appropriate to each unit.
PIN 19
PIN 1
PIN 37
1
PIN 20
DB37/M-M
HOT SWITCH INTERCONNECT BUS CABLE (SUPPLIED)
2.5 FT (.76 M)
CCC-SEU
CM9760-SEU
1
9
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
IN
OUT
16
1
CM9760-CPS
CC1
A
CC1
B
EQUIPMENT
IN
COM 1
VGA
COM 2
COM 1
VGA
COM 2
COM 1
VGA
COM 2
OUT
AT
KBD
AT
KBD
AT
KBD
PRINTER
PRINTER
PRINTER
1
CM9760-CCC
120-240 VAC
50/60 Hz
IN
A
C
C
1
A
B
OUT
B
LOGGING PRNTR
(FRONT PANEL) CM9760-CCC
SELECT
CC1
A
B
PWR
FAULT
A
B
CM9760-CCC
KVD
SYSTEM 9760
HOT SWITCH
Made in USA
20059
Figure 1-3. HS Rear Views and CCC Subunit Front Panel
1.4 SUBUNIT HIGHLIGHTS
The main characteristics and functions of each subunit of the HS are discussed in the following
paragraphs. Important points that need to be understood for a successful installation are discussed.
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THE CCC (Computer Changeover Control)
120-240 VAC
50/60 Hz
IN
A
C
A
C
1
OUT
B
B
LOGGING PRNTR
20053
The CCC subunit is the heart of the hot switch. Data connections between the interfaced CC1s
(matrix switches) and the HS are located here. Two connector types that correspond to two
NOTE: When upgrading to
the current hot switch from a
previous model, note the
following. The data cable,
previously used to connect
RJ-45 port 5 on each switch
and the corresponding COM 1
[S1] and COM 2 [S2] ports on
the hot switch, cannot be
substituted here.
communication types for the data line to the CCC are provided: RJ-45 or DB9.You can use either, but
the connector type chosen determines the communication protocol you must use and vice versa.
Both are illustrated in Figure 1-5. In the top portion of Figure 1-5, the RJ-45 data line connection (one
from each switch) is shown. If RS-422 communication is chosen, the data cable from a port on matrix
switch CC1 ‘A’ (an RJ-45 Sercom port, usually port 5) is run to the RJ-45 CC1 A port on the CCC. A
similar cable is run from CC1 ‘B’ to the RJ-45 CC1 B port on the same CCC. These cables are re-
versed or “flipped” and utilize pins 1, 2, 7, and 8 as depicted in Figure 1-4. Alternately, in the bottom
portion of Figure 1-11, the RS-232 data line connection is shown. A DB9 cable is run from either the
COM 1 or COM 2 port (on the respective CC1 ‘A’ or CC1 ‘B’ switch) to the appropriate (CC1 A or B)
DB9 port on the CCC. The cables for the DB9 data connection runs are not supplied. Pelco
recommends that RS-422 communication be used whenever possible. The cables for the RS-422
data connections are provided.
COMPARED “COLOR RUN”
IS IN OPPOSITE DIRECTION
COMPARED “COLOR RUN”
IS IN SAME DIRECTION
BROWN
BROWN
BROWN
BROWN
9700-CC1
9760-CCC
SERCOM PORT A- OR B-SIDE
FLIPPED CABLE
STRAIGHT CABLE
DATA
INPUT (RJ-45)
OR
OR
PARALLEL
CONNECTION
OUTPUT (RJ-45)
REVERSE CABLE
1
2
8
7
FLIPPED
VS
STRAIGHT
CABLE
WIRING
7
8
2
1
(SEE FIGURE 2-1)
TO IDENTIFY A CABLE TYPE, PHYSICALLY ORIENT THE RJ-45 CABLE AS
DEPICTED IN THE ILLUSTRATION. ORIENT THE CABLE CONNECTORS
SIDE-BY-SIDE, TAB SIDE DOWN. USE THE COLOR-RUN OF THE WIRES
TO DETERMINE CABLE TYPE.
Figure 1-4. Data Cable Identification
MATRIX
SWITCHES
HOT SWITCH
CM9760-CCC
CM9700-CC1
A
RJ-45
SERCOM
PORT
RJ-45
A
SEE FIGURES 1-11 AND 2-1
MATRIX SWITCHES
CM9700-CC1
B
RJ-45
SERCOM
PORT
RJ-45
B
HOT SWITCH
OR
DB9/F-M
CM9700-CC1
COM PORT DATA
CONNECTION
OUTPUT (DB9)
CC1-CCC (RS-232)
COM 1/COM 2 (CC1) TO
DB9 A/B (CCC)
1
CM9760-CCC
A- OR B-SIDE
INPUT (DB9)
CROSSOVER CABLE
CM9760-CCC
PIN 2 (RX)
PIN 3 (TX)
PIN 5 (GND)
PIN 2 (RX)
PIN 3 (TX)
PIN 5 (GND)
CM9700-CC1
A
PIN 1
PIN 6
PIN 9
COM 1
OR
COM 2
PIN 5
PIN 1
DB9
A
1
1
CC1 A OR
B
PIN 9
PIN 6
PIN 5
CM9700-CC1
B
1
COM 1
OR
COM 2
DB9
B
IN
OUT
A
C
A
B
C
1
COM 1 COM 2
B
PRINTER
LOGGING PRNTR
EITHER COM 1 OR COM 2 (ON THE MATRIX SWITCH SIDE)
CAN BE USED. IF COM IS CHOSEN, BOTH SWITCHES
MUST USE COM 1, OR ELSE BOTH MUST USE COM 2.
1
CM9760-CCC (REAR VIEW)
Figure 1-5. Data Cable Wiring
C578M-A (4/05)
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In addition to communications, there are number of additional functions handled by the CM9760-CCC.
POWER
The power-input connector, fuse, and ON/OFF switch are located here. Input
power for the entire HS originates here. Power is distributed to the CPS and SEU
subunits via DB37 common bus connections.
LOGGING
PRINTER PORT This is used, if desired, as an output logging device for system or status reports
related to hot switch operation only. The port supports dot matrix printers capable
of IBM or Epson emulation modes, such as the Okidata 320 (non-turbo) and the
Okidata 390 (turbo) or 391 (turbo).
LEDs
The FAULT, A, and B LEDs are located on the front panel of the unit. These give
visual indications of system status with respect to control, mode of operation, and
system failure. See the LEDs section of 3.3 Operator Tools.
FRONT PANEL
BUTTONS
The front panel buttons are utilized by the operator for responding to system
errors, for checking system status, and for operational control when changes are
made to system hardware and/or software. See the Front Panel Buttons section
of 3.3 Operator Tools.
THE CPS (Computer Peripheral Switch)
CC1
A
CC1
B
EQUIPMENT
IN
COM 1
VGA
COM 2
COM 1
VGA
COM 2
COM 1
VGA
COM 2
OUT
AT
KBD
AT
KBD
AT
KBD
PRINTER
PRINTER
PRINTER
20055
The connectors on the rear of the CPS are divided into three duplicate sections. Each section contains
an AT KBD connector,
a VGA connector,
a PRINTER connector,
a COM 1 connector (port), and
a COM 2 connector (port).
Each duplicate section is labeled. From left to right, they are the CC1 ‘A’ section, the CC1 ‘B’ section,
and the EQUIPMENT section. The first two (CC1 ‘A’ and CC1 ‘B’) are connection input destinations
for the corresponding switch it interfaces—one from the A-side, and one from the B-side switch. The
third section (EQUIPMENT) provides the connectors to which the following standard diagnostic
devices can be attached:
1. An AT keyboard (to the AT KBD connector)
2. A VGA monitor (to the VGA connector)
3. A system printer (to the PRINTER connector)
4. A PC W/Pelco MGR software (to the COM 1 port)
As a user, you are always connected (through either one matrix switch or the other) to the diagnostic
tools that are attached to the EQUIPMENT output ports. The switch through which you operate (the
one in control and designated the Master) is normally granted automatic access to those devices
(default). If control is switched, the backup switch (Slave) becomes the designated Master, roles are
reversed, and the output diagnostic connections change to follow suit. This happens automatically if
DIP switch 1-2 is ON and DIP 1-6 is OFF (default). See Figure 2-4, DIP Switch Configuration.
Note that only four diagnostic devices are listed for the five available output ports. Two of the five
output ports deserve further comment.
COM 1 is reserved for the connection of the PC with MGR software (see Figure 1-11).
COM 2 can be used in two ways:
1. As a “user” defined configuration for the connection of devices and/or electronic equipment to
the COM 2 A and B inputs and to the COM 2 EQUIPMENT output port. The COM 2 ports are
D-type, 25-pin connectors, and can be used for the connection of user-optioned equipment.
Applied voltages to COM 2 connector pins should not exceed 25 VDC. For this use, the
operation of the COM 2 port is not necessary for the successful operation of any function of the
HS. Insert A of Figure 1-6 is a diagrammatic drawing of the wiring of the COM 2 connectors.
2. For the connection (to the EQUIPMENT section’s COM 2 output port) of an RS-232, DT (Data
Translator). As part of the CPS package, three DB25 (female) to DB9 (male) adapters are pro-
vided for this purpose (along with the associated cabling for the A- and B-side inputs to these
adapters).
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This allows users with existing RS-232 DT devices to retain that configuration capability in the new
HS. Figure 1-6 highlights the geometry of this hookup.
Additional DTs of the same type must be connected to CC1 Sercom ports (via SEU output ports of the
HS) and require RS-232 to -422 converters.
20078
Figure 1-6. COM 2 Port Options
A couple of working rules with respect to diagnostic tool availability are in order here. During default
operation (see Figures 2-4 and Figure 2-5) diagnostic tools attached to EQUIPMENT output ports
“follow” the switch in control. Under these conditions, the following results can be expected when the
described operation is performed:
1. You can view, at will, the diagnostic activity for either switch (Master or Slave) regardless of the
operational mode (including default) as long as that switch is online. This is done by pressing the
KVD (Keyboard, Video, Data) A (or B) button located on the front panel of the CM9760-CCC for
the A- or B-side diagnostic view you want to see (see Table B, Front Panel Button Operation).
When the KVD button is pressed, you will view the devices connected to the AT KBD, and VGA
port connections for the side (A or B), (Master or Slave) that you selected. It is important to note
that the PRINTER, COM 1, and COM 2 ports do not follow KVD activity under any circumstances.
2. If the diagnostic view is switched manually via the KVD button, as in (1), it remains there until
(a) the operator manually switches back to the opposite side, or until
(b) the system forces a change due to a system fault. A system fault may or may not result in a
return to the original diagnostic view. That depends on which switch becomes the desig-
nated Master when the changeover, if deemed necessary, occurs. This is determined by
the HS itself. It occurs automatically as the result of configuration settings and is not under
user control.
3. Any system change (as noted in 2b) co-opts any existing diagnostic view and any resulting
change occurs under the control of the HS and not the operator. Moreover, the HS controls and
automatically transfers ALL ports (including COM 1 and COM 2) to the control of the designated
Master in the event of a system failure.
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THE SEU (Serial Expansion Unit)
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
IN
OUT
9
16
20085
The SEU subunit of the HS, like that of the CPS, is also divided into three sections. Devices
connected to the SEU EQUIPMENT output ports are under the control of only one CC1 at a time. The
controlling switch is designated the Master, regardless of mode (synchronous or asynchronous).
Unlike the CPS, however, there are no predefined port designations for SEU Sercom input ports that
physically correspond to the port designations as they are defined by physical location on any
9760-CC1 matrix switch. On the matrix switch, port 5 is port 5 and is always located at the “port 5”
position, and so on.
The physical relationship between matrix switch Sercom outputs and the A/B inputs on the SEU are
defined by the following statements:
1. The function of each Sercom input port on the SEU (CC1 ‘A’ or CC1 ‘B’) is characterized by
whatever is plugged into it.
2. A specific physical relationship (depicted in Figure 1-7) exists internally between SEU Sercom
inputs (A or B) and associated SEU EQUIPMENT outputs.
The Sercom ports on the SEU shown in Figure 1-7 are isolated and numbered (for explanatory purposes);
the ports on the SEU are physically related as illustrated.
RELAY ACTIVATION FOLLOWS
THE CC1 IN CONTROL (MASTER)
A
B
CC1 A
CC1 B
EQUIPMENT
A1
A9
A2
A3
A4
A5
A6
A7
A8
B1
B9
B2
B3
B4
B5
B6
B7
B8
E1
E9
E2
E3
E4
E5
E6
E7
E8
A19
A11
A12
A13
A14
A15
A16
B19
B11
B12
B13
B14
B15
B16
E19
E11
E12
E13
E14
E15
E16
20062
Figure 1-7. SEU Port Relationships
The depiction above shows CC1 ‘A’ input A1, connected to the output device attached to E1.
The physical relationship depicted above is repeated for all corresponding physical port locations;
that is, A2 is related to B2 and the output E2 in the same way that A1 is related to B1, and the E1
output.
This relationship holds true for the remaining port locations: A3-A16, B3-B16, and E3-E16.
In line with the port relationship just discussed, you must also maintain corresponding equipment
integrity with respect to the input port locations chosen for attaching A- and B-side input cables. This
is so that output control, from either matrix switch, of a device connected to a specific SEU output
port, corresponds, in fact, to the same physical device.
For example: If a matrix bay is hardware-software configured for attachment to port 7 on 9700-CC1 A,
then it also must be configured the same for port 7 on 9700-CC1 B, since the CC1s must be hardware-
software clones of each other. If you then run a cable from 9700-CC1 A, port 7, to the CC1 ‘A’ side of the
SEU and attach it to the A1 port, then you must also run a corresponding cable from 9700-CC1 B, port 7,
to the CC1 ‘B’ side of the SEU and attach it to port B1.The matrix bay itself, is connected to the corre-
sponding output port, E1, on the SEU.
As indicated above, the configured outputs of 9700-CC1 ports can be plugged into any input port on
the appropriate SEU, as long as you allow for the physical constraint illustrated in Figure 1-7, above.
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A NOTE OF CAUTION: Random attachment of cabling between CC1s and SEUs can lead to confu-
sion about what is attached where. It is suggested that you map the physical port arrangement found in
your CC1 outputs to those utilized on the SEU (as far as that is possible). One method is to mentally
rotate the SEU (clockwise or counterclockwise, it does not matter) and associate the port locations you
use on the SEU to those existing on the CC1. In Figure 1-8 , the CC1 ‘A’ side of the SEU is shown
rotated counterclockwise.You can extend the use of this visual mnemonic to the SEU’s B side, the
output, and additional SEUs, if needed (also see the NOTE in Figure 1-8).
20
CC1 ‘A’
12
SEU
CC1 ‘A’
5
13
IMPORTANT
NOTE: ALTHOUGH THE METHOD CHOSEN FOR
KEEPING SEU PORT CONNECTIONS STRAIGHT IS,
AT BEST, ARBITRARY, PELCO RECOMMENDS THAT
IT IS BEST TO FOLLOW A DESIGNATED TEMPLATE
AS AN AID IN TRACKING SEU PORT CONNECTIONS.
ONE IS PROVIDED FOR YOU AT THE BACK OF THIS
MANUAL. IT IS CALLED THE SEU CONNECTION
TEMPLATE.
Figure 1-8. Port Connection Mnemonic
MASTER/SLAVE STATUS FOR CC1
Sercom port 1 on the CC1-A or CC1-B side of the SEU subunit may be wired to provide the current
status of the CM9760-HS. This wiring connection will allow for monitoring that alerts the user to
primary (master) CPU (CC1) failure. When the secondary (slave) CPU assumes primary control, the
user can be alerted remotely via the closure of an external alarm. This connection is made by
constructing an RJ-45 terminated wire (not provided) and shorting pins 1 and 2 (CC1-A) or pins 7 and
8 (CC1-B) together on the CC1 side only. The CC1 port (A or B) is connected to the EQUIPMENT
side port 1. See Figures 1-9 and 1-10.
PIN 8
PIN 1
Figure 1-9. RJ-45 Pin Detail
CC1 A PORT #1
(PIN 1 & 2 SHORTED)
CC1 A PORT #1
(PIN 7 & 8 SHORTED)
OR
EQUIPMENT PORT #1
ALARM OUT
MASTER
SLAVE
1
CC1 ‘A’
8
1
CC1 ‘B’
8
1
EQUIPMENT
8
IN
OUT
9
16
Figure 1-10. SEU Master/Slave Wiring Diagram
C578M-A (4/05)
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1.5 INSTALLATION PREVIEW
Figure 1-11 combines elements of previous illustrations into what is essentially a wire routing of the
block diagram of Figure 1-1. This is an overview of the physical geometry of an HS integrated into a
basic, default system configuration. Section 2.1 Physical in Section 2.0 Installation, breaks up Figure
1-11 into its logical component groupings, where cabling requirements for each section are isolated
and examined in detail. Cabling in the current model hot switch is rather straightforward.
Other Remarks:
In addition to basic hookup, which covers the information needed for a new, single-node installation,
the following configuration processes are discussed in Section 4.0 Appendices.
•
•
•
•
HS addition to an existing configuration, (no hot switch currently installed)
HS update, (previous model of hot switch installed)
HS update (current model hot switch installed)
HS and networked configurations
Installation Checklist:
The basic install process for integrating a hot switch within a single system node can be broken down
into the following steps:
1. Mount the components of the hot switch (standard rack-mount) in such a way as to take
advantage of the equipment that will attach to each unit. At the same time, be mindful of the rela-
tively short interconnect cables that form the common bus between the subunits of the HS.
Install the interconnect cables that form the common bus (see Figure 1-3 for a picture of this
cabling). Install the power cord on the CM9760-CCC, but do not apply power to the unit.
2. Connect all remaining cabling that is required for your system node. Follow, in order, all items of
2.1 Physical in Section 2.0 Installation of the manual, for instructions. Configure DIP switch one
and two located behind the front panel of the CM9760-CCC subunit (see Figure 2-4).
3. Install all required software. Ensure that duplicate sets of configuration files for the
interfaced matrix switches are installed on the respective hard drives of each switch.
Check to make sure that port references to attached equipment match the equipment
actually attached to those ports. Refer to the appropriate sections of the latest version of
the MGR programming for general information on filling out configuration files. Refer to
the appropriate sections of the latest revision of the matrix switch manual (C541M), for
information on installing configuration files and other items related to file manipulation.
Be sure to add the hot switch to the COMMS configuration file, if not already done.
4. After all cabling and software is installed, apply power to the HS and all attached equipment and
let the systems initialize (see 2.2 Power-up and Initialization in Section 2.0 Installation).
14
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TO ADDITIONAL SEU
SERCOM PORTS 21-36
CC1 A
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
PRINTER
COM 1 COM 2
SERCOM
PORT 6-20
HS (HOT SWITCH)
1
9
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
EXTERNAL
DEVICES
(MXBs,
IN
OUT
KBDs, etc)
16
C:\9700
PC WITH 9700 MGR
CC1
A
CC1
B
CC1
EQUIPMENT
AT
KBD
AT
KBD
IN
COM 1
VGA
COM 2
COM 1
VGA
COM 2
COM 1
VGA
COM 2
OUT
AT
KBD
PRINTER
PRINTER
PRINTER
DIAGNOSTIC
KEYBOARD
C:\9760
DIAGNOSTIC MONITOR
120-240 VAC
50/60 Hz
IN
OUT
C
C
1
A
B
A
B
LOGGING PRNTR
SERCOM PORTS 6-20
CC1 B
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
COM 1 COM 2
PRINTER
SERCOM PORTS 21-36
TO ADDITIONAL SEU
20064
Figure 1-11. Basic Hookup, Wire Routes
C578M-A (4/05)
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SECTION 2.0: INSTALLATION
2.1 PHYSICAL
As previously stated, the connections from 9700-CC1s (CC1-A and -B) to the HS are duplicates of
each other. Except where noted, all the plugs and connectors found on the rear of the CC1 have
corresponding port representations on the subunits of the HS.
9700-CC1 TO CCC (Control Group)
CC1 A
•
•
RJ-45 (A & B) DATA LINE INPUT PORTS ARE
RS-422; THE DB9, (A & B) PORTS ARE RS-232.
MODEL
SERIAL
RECOMMENDED, DATA CABLE HOOKUP IS
THAT REFERENCED AS (1) IN FIGURE 2-1
(CABLE PROVIDED).
VOLTS
FREQ
WATTS
AMPS
PRINTER
•
•
•
THEALTERNATE HOOKUP (INDICATED BY THE
DOTTED LINE) IS DETAILED IN FIGURE 1-5.
COM 1 COM 2
YOU SHOULD USE THE SAME CABLE CON-
FIGURATION FOR EACH ATTACHED CC1.
DIP SWITCH 2 SETTINGS MUST REFLECT THE
COMMUNICATION PROTOCOL OF THE DATA
PATH CHOSEN. (SEE FIGURE 2-4).
•
•
PORTATTACHMENT OF THE HS DATALINE CON-
NECTION TO SERCOM PORT 5 IS REFLECTED
IN THE COMMS FILE.
PORT ATTACHMENT REQUIREMENTS FOR
HS-NIU CONFIGURATIONS ARE DISCUSSED
IN APPENDIX 4.4, HS AND NETWORKED CON-
FIGURATIONS.
RJ-45/M-M
CC1-CCC
PORT 5 SERCOM — RJ-45/A-B
PIN 8
1
PIN 1
1
CROSSOVER
OR
REVERSE CABLE (SUPPLIED)
10 FT (3.05 M)
CM9760-CCC
(REAR VIEW)
120-240 VAC
50/60 Hz
IN
A
B
C
C
1
A
B
OUT
LOGGING PRNTR
DIP SWITCHES LOCATED
BEHIND FRONT PANEL
CM9760-CCC
(FRONT VIEW)
SELECT
B
A
PWR
FAULT
CC1
A
B
CM9760-CCC
KVD
SYSTEM 9760
HOT SWITCH
Made in USA
1
CC1 B
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
COM 1 COM 2
PRINTER
20065
Figure 2-1. Data Cable Wiring Detail
16
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9700-CC1 TO CPS (Diagnostic Group)
The connection points for diagnostic and monitor tools for hot switch and system status are shown in
Figure 2-2. Note that COM 1 on either CC1 (the normal connection point for the PC w/MGR in a
stand-alone CC1 configuration) is run to the appropriate COM 1 input connector on the CPS. COM 1
output on the CPS is reserved for the PC w/MGR connection. If a CC1 COM port on the switch is
defective, the other port can be used, but you must still connect to COM 1 on the CPS. Moreover, you
must follow suit on any change in physical COM port configuration in the duplicate CC1. In addition, any
port changes must be reflected in the COMMS file.
2
1
DB9/F-F
CC1-CPS
COM 1-COM 1
NULL MODEM CABLE (SUPPLIED)
DB25/M-M
CC1-CPS
PRINTER-PRINTER
(NOT SUPPLIED)
3
10 FT (3.05 M)
5-PIN DIN/M-M
CC1-CPS
AT KBD-AT KBD (SUPPLIED)
10 FT (3.05 M)
PIN 14
PIN 1
PIN 9
PIN 5
PIN 25
PIN 1
PIN 4
PIN 3
PIN 13
PIN 6
PIN 1
PIN 5
CC1 A
PIN 2
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
PRINTER
COM 1 COM 2
**
PC WITH 9700 MGR
1
2
3
4
CPS
CC1
A
CC1
B
EQUIPMENT
AT
AT
KBD
KBD
IN
COM 1
VGA
COM 2
COM 1
VGA
COM 2
COM 1
VGA
COM 2
OUT
AT
KBD
PRINTER
PRINTER
PRINTER
1
2
3
4
DIAGNOSTIC KEYBOARD
DIAGNOSTIC MONITOR
4
CC1 B
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
DB15/M-M
CC1-CPS
VGA-VGA (SUPPLIED)
10 FT (3.05 M)
**
PIN 11
COM 1 COM 2
PRINTER
PIN 1
PIN 6
PIN 15
** SEE FIGURE 1-6 FOR COM 2 CABLING OPTIONS
PIN 5
Figure 2-2. Diagnostic Group, Cabling Detail
C578M-A (4/05)
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9700-CC1 TO SEU (Expansion Group)
Devices connected to the EQUIPMENT output port (which the designated Master switch has access to)
are implemented here. Port destinations for cable connection inputs from the matrix switches are not
predefined. This was discussed in the SEU portion of 1.4 Subunit Highlights in Section 1.0 Introduction.
It is recommended that the SEU connection template (located at the back of the manual) be utilized here.
All interconnecting cables are RJ-45, M-M, RS-422, and are provided for the input (CC1 ‘A’ and ‘B’)
connections.
CC1 A
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
RJ-45/M-M
CC1-SEU
SERCOM-SERCOM
COM 1 COM 2
PRINTER
PORT 5
NOTE: SERCOM PORT FIVE ON
EACH RESPECTIVE SWITCH IS
RESERVED FOR THE DATA LINE
CONNECTION BETWEEN IT AND
THE APPROPRIATE RJ-45 ON THE
CM9760-CCC UNLESS RS-232
COMMUNICATION IS USED.
PIN 8
1
1
PIN 1
1
CROSSOVER
OR
REVERSE CABLE (SUPPLIED)
3 FT (0.9 M)
CM9760-SEU
(REAR VIEW)
1
9
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
DEVICES:
MXBs, KBDs,
RECEIVERS, ETC.
IN
OUT
16
1
1
CC1 B
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
COM 1 COM 2
PRINTER
20067
Figure 2-3. External Expansion Cabling Detail
18
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DIP SWITCH SETTINGS
Some HS operating parameters are determined via two DIP switches, which are physically located to
the left of the front panel LED displays, but behind the front panel of the CCC itself. Figure 2-4 illus-
trates all DIP switch settings. Factory default is indicated.
DIP
SWITCHES
CM9760-CCC (FRONT PANEL)
LED OPENINGS
SELECT
A
B
PWR
CC1
KVD
CM9760-CCC
HOT SWITCH
SYSTEM
Made in USA
DIP SWITCH 1
DIP SWITCH 2
LEGEND
= ON OR UP
= OFF OR DOWN
3
4
9600
(DEFAULT)
2
1
1
2
8
7
INACTIVE
(DEFAULT)
19200
RS-422
(DEFAULT)
FOLLOW
MASTER
(DEFAULT)
ACTIVE
(DEFAULT)
ENABLED
(DEFAULT)
6
31250
5
FAULT
SYNCH
(DEFAULT)
RESPONSE
INDEPENDENT
OF MASTER
RS-232
38400
INACTIVE
DISABLED
ACTIVE
(DEFAULT)
AUDIO SIGNAL
FOLLOW SWITCH
BAUD RATE
DEFAULT MODE
AUTO SWITCH
PRINTER
DIAGNOSTICS
COMM TYPE
20068
DIP SWITCH 1
AUDIO SIGNAL
THIS TURNS OFF THE TONE (DIP 1-1, DOWN) HEARD WHENEVER A SYSTEM FAULT OCCURS. IT DOES NOT AFFECT THE TWO-BEEP TONE HEARD
WHEN A USER REASSERTS ASYNCHRONOUS MODE.
FOLLOW SWITCH THE DIAGNOSTIC TOOLS ATTACHED TO CPS EQUIPMENT OUTPUT PORTS FOLLOW (DIP 1-2, UP) THE CC1 SWITCH IN CONTROL (MASTER) IF A
CHANGEOVER OCCURS.
BAUD RATE
THE BAUD RATE SELECTED HERE (9600 IS DEFAULT) AND THAT ENTERED INTO THE COMMS FILE FOR THE PORT TO WHICH THE CCC IS ATTACHED
MUST AGREE.
DEFAULT MODE
AUTO SWITCH
PRINTER
ALWAYS SET TO SYNCHRONOUS (DEFAULT = ON). OFF SETTING IS FOR FACTORY USE.
IF MASTER FAILS, SYSTEM WILL SWITCH TO SLAVE (DEFAULT = OFF). IF ON, SYSTEM WILL NOT SWITCH.
SET TO INACTIVE (DEFAULT). IFYOU CONNECT A PRINTER TO THE CCC LOGGING PRINTER PORT, SET THE SWITCH TO THE ACTIVE (DIP 1-8, UP)
POSITION. THE PRINTER PORT SUPPORTS DOT MATRIX PRINTERS CAPABLE OF IBM OR EPSON EMULATION MODES, SUCH AS THE OKIDATA 320
(NON-TURBO) AND THE OKIDATA 390 (TURBO) OR 391 (TURBO).
DIAGNOSTICS
DEFAULT IS ACTIVE. DIAGNOSTIC TOOLS SHOULD BE ACCESSIBLE.
DIP SWITCH 2
COM TYPE
SET TO CORRESPOND TO THE DATA COMMUNICATIONS TYPE CHOSEN. RS-422 IS THE DEFAULT.
Figure 2-4. DIP Switch Configuration
C578M-A (4/05)
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2.2 POWER-UP AND INITIALIZATION
Once configuration files have been programmed and loaded and all connection cabling has been run,
then the associated CC1s, the hot switch and all connected devices can be turned on.
The order of equipment turn-on is immaterial; however, if the HS is turned on before either CC1
finishes initialization, the online LEDs (A and B) on the front panel of the CCC will alternate rapidly
back and forth. In addition, if the HS is ON and one CC1 finishes initialization ahead of the other, you
might notice that it will temporarily be made the Master and the mode will be Asynchronous. This is
no cause for concern; it is normal. When the entire system finally initializes, the CCC determines
whether default operating conditions are possible, and, if they are, the system will enter synchronous,
A-Side (Master) control, with B-Side (Slave). A visual check of successful initialization appears on
appropriately connected diagnostic monitors; however, the primary indicator of successful initialization
is a visual check of the LEDs located on the front panel of the CCC. Figure 2-5 illustrates this.
INITIALIZATION AND DEFAULT STATUS INDICATORS
B-SIDE DIAGNOSTIC SCREEN
A-SIDE DIAGNOSTIC SCREEN
System : Sending Full Synch
System : Full Synch Complete
System : Full Synch Complete On Slave
DEFAULT:
A-SIDE MASTER SYNCHRONOUS MODE
B-SIDE SLAVE
CCC FRONT PANEL
NOTE: LEDs A AND B ALTERNATE (OR PING-PONG) BACK
AND FORTH. WHEN LED A IS ON, LED B IS OFF FOR THE
SAME PERIOD OF TIME. THE LED FOR THE SIDE HAVING
MASTER CONTROL (IN THIS CASE, A) IS ON ABOUT
FOUR TIMES AS LONG AS THE B LED. IF THE B-SIDE
WERE MASTER, THE OPPOSITE WOULD OCCUR.
PWR
FAULT
A
B
SYSTEM 9760
FAULT
A
B
LEDs ALTERNATE
AS INDICATED IN
NOTE.
20070
Figure 2-5. Initialization Status, Default
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SECTION 3.0: OPERATION
3.1 PRELIMINARY REMARKS
There are two modes of HS operation. One is termed the synchronous mode and the other, the asyn-
chronous mode. Synchronous mode, of course, is the desired mode of operation. It is the optimal
mode of operation and the one the HS is designed to operate under. It is also the default mode of
operation and the only mode that provides proper backup to the system. The asynchronous mode,
on the other hand, is the mode the system reverts to (from synchronous mode) when a system error
occurs, for whatever reason. It is important to point out, however, that even in asynchronous mode,
the system is still up. In that sense, the asynchronous mode is also a successful mode because it
means that the HS successfully passed control to the working CC1 and that the interfaced system is
still operational. Once faults are corrected, the operator can manually return the system to its de-
signed optimal, default configuration. This process, among others, is discussed in detail in Table E.
3.2 TERMS AND DEFINITIONS
The following terms are used extensively in the next few sections. We list a working definition of each
term to reduce confusion about their meaning when used in conjunction with the hot switch.
Synchronous – A hot switch operational mode that is the primary, default mode of HS operation. It
normally occurs at the end of a successful start-up. Once enabled, synchronous-mode control can be
switched from one matrix switch to the other by pressing the appropriate CC1 A or CC1 B button once.
Asynchronous – A hot switch operational mode in which the side in control is not synchronized with
the other side. It occurs as a result of any of the following:
1. A CC1-generated failure report to the HS. The HS FAULT LED is lit.
2. Manual intervention by an operator via front panel switches (pressing and holding CC1 A or
CC1 B button for two beeps). The HS FAULT LED is not lit.
3. A CC1 failure detected by the HS that one of the two CC1s is not operational. FAULT LED is lit.
When asynchronous mode is entered, the following may occur (dependent on the state of the system
at the time the action occurs):
1. A snapshot of the current state of the primary CC1 (if it has failed) is made and passed on to the
backup CC1.
2. The auto-changeover sequence is initiated and control is passed to the backup CC1, which is
automatically put into asynchronous mode.
3. If the backup fails, control remains with the primary Master unit. It is automatically put into asyn-
chronous mode.
Synchronization – An ongoing dynamic process wherein the current camera-monitor-user status
of the primary (Master or control side) is continually updated to the secondary (Slave or back-up)
side. The internal dynamics of the process is not under user control.
Changeover – A word that describes the automatic process of passing from synchronous to asyn-
chronous or from asynchronous to asynchronous mode because of the failure of either CC1 (primary
or backup), while in synchronous or asynchronous mode, respectively. Of course, the appropriate DIP
switch settings must be configured to allow this.
The HS implements an automatic changeover for the following reasons:
1. There is a primary COM failure with either CC1.
2. A secondary problem with either CC1 that results in its failure.
Either of the above results in the system FAULT LED being lit.
Additionally, changeovers can be manually initiated by the operator (see Table B). The FAULT
LED is not lit.
C578M-A (4/05)
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3.3 OPERATOR TOOLS
LEDs
A visual check of LED activity should be the top item on your checklist for determining the operational
status of the HS and the attached system. LED status tells you the following:
•
•
•
•
•
Which mode (synchronous or asynchronous) the HS Is operating in
Which side (A or B) is in control (synchronous mode)
Which side (A or B) is in control (asynchronous mode)
Which side is in control after an equipment failure
Which side caused the system FAULT
22
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CONTROL STATUS
ꢀ
An operational system is always in synchronous or asynchronous mode; otherwise, the system is
down. There are no intermediate operational states.
Table A relates LED activity to the function listed in the left-hand column for the given operational modes.
We use the following visual icons to represent (to the user) the visual state of the front panel LEDs.
LED LEGEND:
RELATIVE LED LOCATION AND IDENTIFICATION
MIRRORS THAT USED ON THE CCC FRONT PANEL.
RELATIVE LED
LOCATION
LED STATES
LED LITE IS OFF
FAULT
LED LITE IS ON (SOLID)
A
B
LED LITE IS ON (LONG), OFF (SHORT) AND
THE SIDE REPRESENTED IS IN
CONTROL (MASTER).
LED LITE IS ON (SHORT), OFF (LONG) AND
THE SIDE REPRESENTED IS NOT IN
CONTROL (SLAVE).
LED ACTIVITY ALLOWS YOU TO IMMEDIATELY DETERMINE
20084
Table A. LED Activity
MODE
ꢀ
SYNCHRONOUS
ASYNCHRONOUS
FAULT
A
B
A-Side
Master,
B-Side
Slave
B-Side
Master
A-Side
Slave
A-Side in B-Side in
Control
Control
FAULT
A
B
FAULT STATUS ꢀ
NONE
FAULT LED FAULT LED
ON,
ON,
A-Side in
Control
B-Side in
Control
FRONT PANEL BUTTONS
Front panel buttons (CC1 [A or B]) are used to respond to HS detected system errors and for direct
implementation of other HS functions when needed or required, such as troubleshooting or update
procedures.
When used in conjunction with LED readouts and other diagnostic tools, an operator can pinpoint
current system status and/or implement appropriate corrective action, as needed. Using the front
panel buttons, an operator can
1. Acknowledge a system FAULT (turn it off)
2. Change from asynchronous to synchronous mode or its converse
3. Switch primary system control from one CC1 to the other
4. Switch diagnostic view from the A- to the B-side and vice versa
C578M-A (4/05)
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The following table illustrates how to implement these actions for the HS. Included are pertinent “before and after” visual changes associated
with the action along with applicable notes about system operation. The shorthand, visual icons used in the LED “legend” and Table A of the
preceding section are also applicable here.
Table B. Front Panel Button Operation
START
LED STATUS
END
LED STATUS
FUNCTION
FP BUTTON ACTION
REMARKS
COMMENTS
A-Side
Asynchronous mode
is reasserted and the
alarm has been
Any successful HS
auto-response to an
alarm results in a
changeover** to
asynchronous mode.
Press and hold CC1
A button for two
CC1
A
CC1
B
FAULT
Acknowledging
A-Side
KVD
A
KVD
B
acknowledged.
Control
20079
audible beeps.
Any successful HS
auto-response to an
alarm results in a
changeover** to
asynchronous mode.
Press and hold CC1
B button for two
B-Side
Asynchronous mode
is reasserted and the
alarm has been
acknowledged.
CC1
A
CC1
B
FAULT
Acknowledging
B-Side
KVD
A
KVD
B
control
20081
audible beeps.
**All HS initiated system FAULT responses are associated with a changeover, but all changeovers are not necessarily associated
with a system FAULT. An operator-initiated changeover is a case in point.
CC1
A
CC1
B
CC1
A
CC1
B
To change control
from A- to B-side,
press CC1 B once;
or conversely, press
CC1 A once.
or
LED attributes
change accordingly.
or
or
or
Change
Control
KVD
A
KVD
B
KVD
A
KVD
B
20081
20079
You can start from
either A- or B-side,
synchronous mode
and change to either
A- or B-side
CC1
A
CC1
B
CC1
A
CC1
B
Press and hold
(for two beeps),
either the CC1 A or
CC1 B button.
Change
Mode
(synchronous to
asynchronous or
visa versa)
or
either/
or
KVD
A
KVD
B
KVD
A
KVD
B
20079
20081
asynchronous mode.
By default, the diagnostic view follows the side in control
(Master) because DIP switch 1-2 is ON. You may, however,
view the diagnostic of either side (A or B) any time you want by
performing the indicated action. If the DIP switch is set to
default (follow Master) and you have switched to view the
diagnostic screen of the Slave unit, that view will remain on the
monitor until either (1) you manually reassert Master side
control, (2) press the Master-side KVD button or (3) a Slave-
side failure occurs and the HS reverts to asynchronous mode,
Master.
CC1
A
CC1
B
CC1
A
CC1
B
Change
Diagnostic
View
A to B
or
or
KVD
A
KVD
B
KVD
A
KVD
B
N/A
B to A
20082
20080
24
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3.4 OPERATOR RESPONSES AND METHODS
User interaction with the HS is necessary when (1) a system error occurs, which generates a FAULT
LED, and (2) when a software/hardware change or upgrade to the system must be made. System
FAULTS are discussed first.
SYSTEM FAULTS
Although error response is addressed in the previous table, not all FAULT situations are covered
there.
Any alarm results in the FAULT LED being lit. An associated audible notification also occurs if optioned
via DIP switch.You can turn off audible notification (default) by setting DIP switch 1-1 to the OFF
position (see Figure 2-4). Note that this does not affect the audible two-beep tone associated with
manually asserting asynchronous mode.
In any FAULT situation, system control is passed to or remains with the “working” CC1, which then
automatically reverts to or remains in asynchronous mode. The following table summarizes system
operation and the necessary user response to any FAULT variation, given the stated initial conditions:
Table C. System FAULT Response
IF THE
CONTROLLING
SIDE IS:
TO ACK the FAULT LED
AND THE
MODE IS:
The FAULT LED is Lit and
the ___ LED is On
(and the audible, if ON),
PRESS & HOLD CC1 __for
two beeps:
AND SIDE
THE RESULT IS:
A
A
A
A
B
B
B
Synchronous
Synchronous
Asynchronous*
Asynchronous
Synchronous
Synchronous
Asynchronous
A Fails
B Fails
A Fails
B Fails
B Fails
A Fails
A Fails
B goes to Asynchronous
A goes to Asynchronous***
B goes to Asynchronous**
A remains in Asynchronous
A goes to Asynchronous
B goes to Asynchronous***
B remains in Asynchronous
B
A
B
A
B
B
N/A
A
N/A
A
B
B
N/A
N/A
B
Asynchronous*
B Fails
A goes to Asynchronous**
A
A
* In this instance, the side in question is in asynchronous mode as the result of operator action, not because the opposite side had
previously failed.
** If you are in A or B, asynchronous mode because the opposite side previously failed and now the side in question fails before the
opposite side is repaired and brought back up, then the entire system is down.
*** The “RESULT” mode indicated here will not appear on the diagnostic monitor until the FAULT LED is acknowledged.
The above cases of FAULT activity can be summarized in the following statements:
•
If both interfaced matrix switches (CC1s) are working, any system error leaves one of the two
CC1s in control.
•
•
Any error always puts the system in asynchronous mode, if it is not there already.
In each case, to turn OFF or ACK the FAULT, you must manually reassert asynchronous mode
for the side in control after the error occurs (the LED light for the side in control [A or B] is ON
solid). Hold the CC1 A or CC1 B front panel button until the audible two-beep tone is heard.
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DIAGNOSTIC MONITOR AND SYSTEM WINDOW USE
Normal Operation
During normal startup, the diagnostic screen on the monitor (attached to the VGA output of the CPS-
see Figure 1-11) reflects successful hot switch initialization. Likewise, the system window of the PC
with MGR that is attached to the COM 1 output port of the CPS reflects the online status of the sys-
tem node (see Figure 3-1 below), but gives no additional information. In fact, the system window indi-
cates nothing amiss even if only one of the two available CC1s boots, and comes online successfully.
Although the system window reflects the status of the CC1 currently in control, it is not the tool of
choice for information regarding hot switch operation. To the MGR, hot switch operation is essentially
transparent.
20071
Figure 3-1. System Window Online Status
On the other hand, diagnostic screen displays, in addition to those associated with initialization, are
useful (see Figure 2-5). Diagnostic screen information, combined with LED activity, are the primary
sources of information on the status of hot-switch interfaced systems. Operationally, the diagnostic
screen supplies the following information:
1. It reflects the status of the controlling CC1 (if DIP switch 1-2 is ON**)
2. If DIP switch 1-2 is OFF, it reflects the status of the last selected CC1 (normally operator-selected
via the KVD button).
** This does not prevent the operator, if he wants, from viewing the diagnostic screen of the
non-controlling CC1. If the diagnostic view is changed by the operator to the non-controlling
CC1, that view will remain on-screen until an event occurs that updates system parameters
or until the operator changes the view back to the original, controlling CC1. The default DIP
switch setting is meant to automatically switch the diagnostic monitor to view the currently
active CC1 in the event a changeover occurs. A changeover is an HS-controlled event that
occurs because one of the CC1s is no longer operational. The result is an HS system error
that is accompanied by an audible alarm tone and a visual LED FAULT light.
The most important area of the diagnostic screen to watch is located in the lower right-hand portion of
the display. There, you can read off the current mode of operation, which CC1 is in control, and the
software version of the system executable. These items are highlighted in Table D.
Diagnostic screen displays change as the result of direct operator action or because of automatic HS
response to system failure. Table D addresses those changes. Table D is similar to Table B, except
that in Table D, diagnostic screen display information, rather than LED activity, is related to the
implementation of the function listed in the left-hand column. The starting point is the diagnostic
display for default initialization. The diagnostic screens for both the A- and B-side matrix switches are
shown. The screen seen during normal default operation is the one associated with the controlling
switch (unless you opt to view the non-controlling diagnostic by pressing the appropriate KVD button).
That is why both diagnostic screens are illustrated.
26
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Table D. Diagnostic Displays
A-SIDE DIAGNOSTIC
B-SIDE DIAGNOSTIC
COMMENTS
DIP 1-2 is ON.
Starting
point-
initialization
screens
The diagnostic screens
illustrated here are
those seen prior to the
implementation of each
function listed, unless
noted otherwise.
(normal start-up)
20087
20086
OPERATOR SELECTED ACTIONS
FUNCTION
A-SIDE DIAGNOSTIC
B-SIDE DIAGNOSTIC
COMMENTS
Change Control
Gone from A- to B-side
control. Data synchro-
nized update to
primary.
20087
20086
Change Mode
A-side selected as
asynchronous primary.
CC1s no longer
synchronized. B-side is
still online.
20088
20089
SYSTEM ERROR DISPLAY
FUNCTION
A-SIDE DIAGNOSTIC
B-SIDE DIAGNOSTIC
COMMENTS
System FAULT
Side B fails. System
switches to A-side,
Asynchronous Master.
B-side is “DWN” and
HS diagnostic shows
communication error.
CC1s not synchronized.
20090
20091
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Table D. Diagnostic Displays (continued)
INITIALIZATION ERROR DISPLAY
FUNCTION
A-SIDE DIAGNOSTIC
B-SIDE DIAGNOSTIC
COMMENTS
Initialization failure.
One side fails to boot
up or establish
communication with
the HS
B-side fails. B-side
diagnostic will initially
show “Setup Complete”
and then revert to a
port error readout. It
never comes online
(A-OFF). The A-Side is
online (A-MST), asyn-
chronous mode. System
box or error line initially
shows “Setup
20092
Complete” and then
shows port error. If you
try to synch with B-side
at this time (B-side
off-line) System box
will display “Full Synch
Complete”, meaning it
tried to sync. System
error (FAULT LED lit)
will automatically be
generated.
20093
RECOVERY DISPLAY EXAMPLE
A-SIDE DIAGNOSTIC B-SIDE DIAGNOSTIC
FUNCTION
COMMENTS
If you take B-side com-
pletely offline, fix, and
reboot, then B-side
diagnostic will show it
as online (A-SLV) with
“Setup Complete”
displayed in the System
box or error line.
HOWEVER, THE B-
SIDE IS NOT YET
20094
SYNCHRONIZED (look
at LEDs). Press CC1 A
once for synchronization.
20095
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SYSTEM UPDATE PROCEDURE
Table E (see NOTE at end of Table) describes the procedure to follow when it is necessary to update,
change, or add any hardware/software item associated with a hot-switched, online system node. The
procedure, explicitly detailed in Table E, proceeds through the following steps:
1. Manually puts A- or B-side into asynchronous mode (Table E starts with A-side), and takes the
opposite side offline.
2. Repairs or updates to components of the offline system are made.
3. Power is applied to the offline unit, it is then synchronized, after which asynchronous mode is
asserted on the same side.
4. The opposite side is taken offline where the same updates and changes are made, the unit is
powered up, and then the system is resynchronized.
Table E. System Update of Hardware/Software, Starting from Default Mode
Abbreviations and References Used Mstr
= Master
Front Panel SELECT Buttons CC1 A
Slv
Sync
= Slave
= Synchronous
CC1 B
KVD A
KVD B
Async = Asynchronous
S mode = Synchronous mode
A mode = Asynchronous mode
FP
= Front Panel
SIDE STATUS
A-side Mstr/Slv MODE =
MODE
LEDs (A/B)
FAULT LED
LEDs A and B alter-
nate in S mode. LED
for primary is On
long, Off short; LED
for secondary is
Off long and On
short. In A mode, the
con-trolling units LED
is ON solid.
FAULT
Async/Sync
Master/ Asynchronous/
On or Off
Slave
Synchronous;
else Offline
COMMENTS
FP Button
(User Action)
B-side Mstr/Slv MODE =
Async/Sync
Master/ Asynchronous/
Slave
Synchronous;
else Offline
A
B
Mstr
Slv
Sync
Sync
A On long
B On short
FAULT
Off
1
Default Operating Mode
•
•
If you are in B-side Master, Synchronous Mode, switch to A-side Master, synchronous mode (as above) to follow the procedure presented.
Place DIP switch 1-2 (see Figure 2-4) to the Off position so that all CPS diagnostic tools (VGA monitor, etc.) are under user control during
the update process.
Press and hold CC1 A for two
A
B
Mstr
Mstr
Async
A On solid
B Off
FAULT
Off
beeps (forces A side to Async
mode; B-side is still online, but not
synched.
CC1 A
[2 beeps]
2
3
Online
Press KVD B, so that diagnostic tools
are available for the B-side update,
which will be done first (equipment
and/or software).
A
B
Async
A On solid
B Off
FAULT
Off
KVD B
Online
A “Ctrl + Q” keypad operation on B-
side takes it offline. The diagnostic
screen should show the DOS prompt
on the B-side.
A
B
Mstr
Async
A On solid
B Off
FAULT
Off
4
Offline
With the B-side offline, you can do any or all of the following:
Hardware: Physically move, add, or delete hardware.
Software: Upgrade the system software on the CC1 and/or the MGR software located on the external PC.
Amend, update, or replace configuration files to correspond to the new equipment configuration using the MGR program.
Transfer updated configuration files to the appropriate hard-drive directory on the B-side CC1.
When changes are complete, initialize the B-side CC1 to “Setup Complete.” THE B-SIDE WILL NOW BE ONLINE, BUT NOT SYNCHED.
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Table E. System Update of Hardware/Software, Starting from Default Mode (Continued)
SIDE STATUS
MODE
LEDs (A/B)
A On long
FAULT LED
Press CC1 A once to synch A to B.
This is done so that currently
logged on KBDs will not go offline
whenever control is switched to the
B-side.
A
Mstr
Sync
FAULT
Off
CC1 A
5
6
B
Slv
Sync
B On short
Press and hold CC1 B for two
beeps (forces B-side to Async
mode; A-side is still online, but not
synched.
A
B
Online
A Off
CC1 B
[2 beeps]
FAULT
Off
Mstr
Mstr
Mstr
Async
B On solid
Press KVD A button, so that
diagnostic tools are available for the
A-side update.
A
B
A
B
Offline
Async
Offline
Async
A Off
B On solid
A Off
FAULT
Off
KVD A
7
8
“Ctrl + Q” keypad operation on
A-side takes it offline. The diagnostic
screen should be at the DOS prompt
on the A-side.
FAULT
Off
B On solid
Make changes on A-side. Update
software, configuration files, etc.
Power up. Press CC1 B once to
synch B-side to A-side.
A
B
Slv
Sync
Sync
A On short
B On long
CC1 B
CC1 A
FAULT
Off
9
Mstr
Press CC1 A to return to original
starting point, if desired.
A
Mstr
Sync
A On long
10
FAULT
Off
NOTE: Table E can also be applied (with slight modification, beginning with step 4) as a procedure for handling an equipment repair
when a system error has occurred (system’s FAULT LED ON, and node is in asynchronous mode). First, set DIP switch 1-2 to the OFF
position so that diagnostic control reverts to the user, then, in Step 4, take the side that generated the error offline (if not already
done). Next, acknowledge the alarm (to turn it off) and then,follow steps 5 and 6 of Table E, substituting the appropriate-side button
presses (it depends on which side was initially taken offline), and then skip to Step 10.
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SECTION 4.0: APPENDICES
INTRODUCTORY REMARKS
All appendices (except Appendix 4.5 ), focus on specific installation issues or various situations of
interest to the user. Each deals with a separate aspect of integrating the current HS into the described
system environment. For completeness, all possibilities of interest are listed here, although some of
the topics have already been discussed thoroughly in the manual.
Appendix 4.5 extends the brief data cable parameter statement made in Section 1.0 Introduction,
1.4 Subunit Highlights. Additional items related to data port cable specifications are covered.
APPENDIX 4.1
HS ADDITION TO AN EXISTING CONFIGURATION
(No Hot Switch Currently Installed)
Adding a hot switch to an existing system configuration that has no hot switch can increase the number of
Sercom ports required beyond the obvious one-port increase needed when the hot switch is added. Issues
associated with Sercom port requirements are discussed in the first section below. The second section
deals with SEU port requirement issues based upon the final Sercom port population.
Sercom Port Requirements
The “final count” for the number of Sercom ports required (on each duplicate switch**) can vary depend-
ing upon your current system configuration (prior to adding a hot switch). At a minimum, the final
Sercom port count will increase by one, as noted in the previous paragraph.
If an existing CC1 has two Sercom cards, and all 16 ports are used, then adding a hot switch will require
the addition of another Sercom card. That means three Sercom cards are installed in each switch.
The number of Sercom ports required (starting from your current base count) increases by “one” for
each of the following circumstances that apply:
•
•
Addition of the hot switch = 1 port
Connection to a network (NIU) = 1 port
If your standalone configuration is to become one of several nodes on a network, the connection to
the NIU will require a Sercom port. If your configuration was already a node on a network, that port
was included as part of your current base count.
•
Access Control Device = 1 port
Any access control device, formerly connected to a CC1 COM port, must now be connected to a
Sercom port on the CC1 unless you have utilized the COM 2 port option described in Figure 1-6
(see item [1] of Appendix 4.2 for additional information).
If each circumstance above is applicable, the final Sercom port count will be three more than the starting
base number. If the increase in Sercom ports required exceeds the number of ports available, it will be
necessary to add another Sercom card to the 9700-CC1 (as well as to the duplicate switch).
** Keep in mind that an additional 9700-CC1 is required when a hot switch is added to a configuration.
The added CC1 is configured as a duplicate backup of the current switch.
SEU Port Requirements
With one exception, the general statement can be made that one SEU port is needed to interface one
Sercom port. The exception arises because all cabling from each Sercom port does not go to an equal
number of SEU input ports. The one-port exception is the data line connection where the hot switch is
attached to the CC1. The addition of the hot switch does use a Sercom port (port 5 on the CC1) on the
CC1-side of the Sercom-SEU port interface. However, the data line coming from that connection does
not go to an SEU port at all. Instead, it goes to a communication port on the CM9760-CCC subunit of
the hot switch. The result is that the total number of SEU ports needed to interface the total number of
Sercom ports on a switch is one less than the Sercom port “final count” (determined above).
NOTE: An interesting example occurs if you configure a basic CC1 that already utilizes 16
ports. The addition of a hot switch requires 16 + 1 or 17 Sercom ports, which, in turn, requires
the addition of another Sercom card to the CC1. However, you still need only one SEU unit to
interface this configuration (16 ports) as one of the 17 Sercom ports on the CC1-side is not
reflected in the total number of ports required for duplication at the SEU-side. Under this unique
circumstance, an additional SEU unit is not required.
Concluding Remarks
Other than considering port requirements for the CC1, the SEU, and related equipment items, a
duplicate CC1 is necessary (already mentioned). Once all equipment requirements are met, cabling is
installed according to the instructions in the manual. Likewise, identical configuration files are programmed
and loaded onto the interfaced CC1 units. Once these items are taken care of, system power can be
applied and the hot switch will, if configured for default, engage the system in A-side control (Master),
B-side backup (Slave), synchronous-mode operation.
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APPENDIX 4.2 HS UPDATE
(Previous Model of Hot Switch Installed)
The previous model of the hot switch has existed for some time. Those acquainted with its opera-
tional characteristics know the uses and characteristics of a hot switch. This is an advantage, on one
hand, compared to those not so acquainted. On the other hand, that advantage is somewhat eroded
by the fact that there are some major differences involved in the hookup and use of the new HS.
Ingrained familiarity with the previous model can lead to simple mistakes in installing and operating
the current model.
To ease the transition process for those migrating to the current hot switch, Figure A4-1 highlights the
connection similarities and differences between previous and current HS models.
LEGEND:
SOURCE WIRING OR CABLING PROCEEDS TO ASSOCIATED OUTPUT DEVICE FROM THIS POINT
SOURCE WIRING OR CABLING TERMINATED AT HOT SWITCH DESITINATION
SOURCE
CM9760-CC1/A-B
DESTINATION
PREVIOUS HOT SWITCH MODEL
DESTINATION
CURRENT HOT SWITCH MODEL
CCS
CCS-PNL
CCC
CPS
SEU #1 (16 INPUTS)
PRINTER
COM 1 (PC WITH MGR)
A
COM 1 (RS-232) ALTERNATE
COM 1
(PC WITH MGR)
COM 1
COM 2
VGA
B
COM 2 (DT)
VGA
COM 2 (DT)
OR
AS SHOWN, THIS DEPICTS A-SIDE CONTROL
OF THE OUTPUT. CONTROL IS DETERMINED
BY SYSTEM CONFIGURATION, SUBJECT TO
OPERATOR INTERVENTION.
S1 (COM 1)
A
A
(RS-422) RECOMMENDED
RJ-45, PORT 5
ALTHOUGH WIRED TO ITS MIRROR IMAGE
OUTPUT PORT ON THE CCS-PNL, THE PORT
CANNOT BE UTILIZED BY EXTERNAL DEVICES
IF THE SOURCE PORT IS UTILIZED FOR THE
DATA LINE BETWEEN THE CC1 AND THE CCS.
DATA LINE
B
B
S2 (COM 2)
SEU #2 (16 INPUTS)
5
RJ-45, PORT 6
DEPICTS THE PHYSICAL RELATIONSHIP BETWEEN THE A-
AND B-SIDE INPUT PORTS AND SEU OUTPUT PORTS.
THERE IS NO MAPPING CORRESPONDENCE BETWEEN CC1
SERCOM PORT OUTPUTS AND A- OR B-SIDE INPUTS ON
THE SEU. ANY OUTPUT FROM A CC1 A- OR B-SIDE SERCOM
PORT CAN BE PLUGGED INTO ANY AVAILABLE A- OR B-SIDE
INPUT PORT, RESPECTIVELY, ON THE SEU. THE ONLY
CONSTRAINT IS THAT CABLING ON THE A-SIDE INPUT PORT
IS DUPLICATED ON THE B-SIDE AND THE OUTPUT PORT
CONNECTION, WITH RESPECT TO PORT LOCATION
AND THE TYPE OF DEVICE CONNECTED. NOTE THAT
WE GAIN THE USE OF AN ADDITIONAL OUTPUT PORT
COMPARED TO PREVIOUS MODELS SINCE PORT 5 (LIKE
ALL OTHER PORTS) IS NOT HARDWIRED AND THEREFORE
IS NOT LOST TO DATA LINE HOOKUP.
OUT
20
A
A
B
20
OUT
OUT
RJ-45, PORT 21
21
(FOR FULLY
POPULATED
CC1)
OUT
B
REQUIRED
FOR A FULLY
POPULATED
CC1.
36
36
20072
Figure A4-1. Hot Switch Comparison Summary
The intervening connections between CC1 Source and HS Destination outputs in the previous hot
switch were implemented using a combination of specialized cabling and hardwired paths. This
resulted in a more or less fixed relationship between the Source and Destination connections.
The Source and Destination relationships in the current hot switch are defined by the connection
cabling alone. The result is a more flexible hot switch. This flexibility can be seen in Figure A4-1.
Even so, you can set up the Source-Destination relationships of the connectors for the current hot
switch in the exact same manner as was done in the previous hot switch. This relationship
equivalency can between the previous and current hot switch can be read off directly from
Figure A4-1 for the current hot switch as follows:
VGA ----------------------------- VGA
PRINTER ---------------------- PRINTER
RS-422 DATA LINE --------- RS-422 DATA LINE
COM 1-------------------------- COM 1 (PC W/MGR)
COM 2-------------------------- COM 2 (DT or RS-232 ASCII DEVICE CONNECTION).
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Figure A4-1 also highlight the two major differences between the current and previous hot switch:
1. COM Port Flexibility
The COM 1 and COM 2 Destination ports for the previous hot switch allowed for the connection
of the PC w/MGR and, if desired, an ASCII Control Device interfaced via a Pelco DT, for
example. The same relationship can be repeated in the current HS via the COM 1 and COM 2
Destination ports (located on the CPS) for the devices just mentioned, which are shown in
Figure A4-1. Note that COM 1 is usually reserved for the connection of the PC w/MGR in the
current HS. What is new is that the current HS allows an alternate choice (RS-232 instead of
RS-422) for the Data Line connection between the Source COM ports and the CC1 (A & B) DB9
ports located in the CCC. This choice was not available for the previous hot switch.
If you make this choice, however, the COM 2 (DT) Destination connection located on the CPS
and shown in Figure A4-1 cannot be used. This is because one of the Source COM ports must
be available for the connection of the PC w/MGR. The choices available for COM 2 port use are
covered in Figure 1-6.
2. Sercom Port Expansion
Six more SEUs (in addition to the two referenced in Figure A4-1) can be added by simply
connecting them to the hot switch common bus. This generously allows for any future expansion
of Sercom port use.
APPENDIX 4.3 HS UPDATE (Current Model Hot Switch Installed)
The steps described in Table E of the manual contain the general procedure to follow when updating
the hardware and/or software of an existing hot switch configuration. The following comments
supplement the information found there:
1. The “NOTE” located at the end of Table E identifies the steps in the table to follow as a general
procedure in case of a failure of one or the other CC1.
2. Be mindful of the considerations raised in Appendix 4.1. Is the node environment changing from
single to multi-node? Are other equipment changes being made that affect configuration files or
equipment cabling?
3. Once satisfied that the impact of all changes are accounted for, then the side under repair or
update can be powered up.
4. It should be noted that it is possible to update one side of a hot switch configuration at a time
without bringing the entire system down.
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APPENDIX 4.4 HS AND NETWORK-INTERFACED CONFIGURATIONS
Below are node-specific connections of NIU configurations, where each node is hot-switched.
Note the following points, which are also reflected in Figure A4-2:
1. Each CC1 port connection to the HS (on its respective node) stays at port 5 (standalone
configuration) while the NIU connection (via the SEU) is connected to port 6 on each CC1.
2. The port 6 Sercom connection of the NIU from each CC1 node (in ascending node order) is
attached to the system NIU (in ascending port order), starting at NIU Sercom-port 5. It arrives
there via routing through the SEU, as shown in Figure A4-2.
3. Each node, with respect to the HS, is essentially independent of the NIU. That is, any node, at
any time, can be taken off the network without bringing the network down. Node-specific
procedures, such as those described in this manual, can be performed without affecting NIU
operation. It should be noted, however, that the PC w/MGR, along with the diagnostic keyboard
and monitor are normally connected to the “NIU” CC1. This means that available diagnostic
screen information is less informative than that available when the diagnostic peripherals are
attached directly to the node in question.
NIU
COM
1
COM
2
PRINTER
NODE 1
NODE 2
CC1-A
CC1-A
COM
1
COM
2
COM
1
COM
2
PRINTER
PRINTER
A
A
CCC
CCC
120-240 VAC
50/60 Hz
120-240 VAC
50/60 Hz
IN
IN
C
C
1
A
B
C
C
1
A
B
A
B
A
B
OUT
OUT
LOGGING PRNTER
LOGGING PRNTER
B
B
SEU
SEU
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
IN
OUT
IN
OUT
CC1-B
CC1-B
COM
1
COM
2
COM
1
COM
2
PRINTER
PRINTER
20073
Figure A4-2. HS-NIU Connections
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Interfacing network nodes with a hot switch (illustrated in Figure A4-2) can be extended to include the
NIU itself. Figure A4-3 keeps the same node structure shown in Figure A4-2, except that now a hot
switch interfaces the NIU. Note that the equipment numbers for hot switches contained in the respec-
tive port definition files for the NIU and the Nodes themselves are different. These are equipment
numbers chosen for that specific configuration in order to differentiate between a hot switch hooked to
a controlling Network NIU from one connected to a regular node (interfacing CC1s) within a network.
9700 NIU NETWORK COMMS FILE (NIU TAB)
9700 NIU NETWORK CPU NODE
NIU A
THE EQUIPMENT # FOR THE HOT
SWITCH CONNECTED TO THE NIU
IS 41.
THE EQUIPMENT # S FOR NODE 1
AND NODE 2 CONNECTED TO
PORTS 6 AND 7 OF THE NIU, ARE
EQUIPMENT #1 AND #2,
RESPECTIVELY.
PORT 7
PORT 5
PORT 6
PORT 7
PORT 6
PORT 5
COM
1
COM
2
PRINTER
CM9760-CCC
HOT SWITCH
A
120-240 VAC
50/60 Hz
IN
C
A
B
COM
COM
2
1
C
OUT
1
LOGGING PRNTER
B
CM9760-SEU
HOT SWITCH
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
IN
OUT
NIU B
COM
1
COM
2
PRINTER
9700 NIU NETWORK NODE 1
9700 NIU NETWORK NODE 2
FROM
CC1 A
FROM
CC1 B
FROM
CC1 A
FROM
CC1 B
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
1
CC1
A
8
1
CC1
B
8
1
EQUIPMENT
8
IN
OUT
FIGURE A4-2 NODES
(PARTIAL REPRESENTATION)
IN
OUT
CM9760-SEU
HOT SWITCH
CM9760-SEU
HOT SWITCH
COMMS FILE FOR NODE 1
COMMS FILE FOR NODE 2
THE EQUIPMENT # FOR THE HOT
SWITCH CONNECTION TO PORT 5
ON EACH RESPECTIVE NODE IS 16.
THE EQUIPMENT # FOR THE NIU
CONNECTION TO PORT 6 ON EACH
RESPECTIVE NODE IS 3.
20074
Figure A4-3. Hot Switch Interfaced NIU
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APPENDIX 4.5 DATA CABLE PARAMETERS
NOTE: For short distances
Data communication cables are used in the CM9760 system to connect required equipment to
that exceed the cable length
supplied, you might consider
the use of CAT 5 cable (for
distances up to 300 feet). This
cable is RS-422 compliant (up
to the length mentioned) and
is used primarily for Ethernet
connections within networks.
Moreover, it is readily available
(because of demand) and cost
is reasonable (because it is
less difficult to manufacture).
appropriate data communication ports on the CC1, which are RS-232 or RS-422 driven.
The characteristics of the cable chosen (if not supplied) depends, first of all, on the driver type it interfaces.
•
For RS-232 driven ports, such as COM 1 and COM 2 found on the CM9700-CC1, the cable used
must meet less stringent communication requirements than that required for RS-422 driven
ports. The cable must support for RS-232 communications must support the following driver
characteristics:
1. It is single ended – one driver and one receiver.
2. It is unbalanced-a voltage level with respect to system ground drives the communications
link.
3. It is limited to low data rates.
Figure A4-4
INFORMATION BOX
4. It is limited to local use: 50 feet or less for synchronized data; 100 to 200 feet for asynchro-
nous data.
BPS or bps means =
bits per second
Baud =
•
For RS-422 driven ports, such as the 32 Sercom ports on the rear of the CC1, the cable chosen
by the user must support the following driver characteristics:
# of signal changes per second
In the recent past, bps and baud
rate were equivalent, that is, 300
bps and 300 baud, for example,
were the same. Two things
happened which eventually sepa-
rated the use of bps and baud as
being equal.
1. It is single ended, multi-drop capable.
2. It is balanced-a differential voltage drives the communications link.
3. It handles relatively high data rates. There is a trade off between data rate and cable length
(theoretically, up to 4,000 feet [1,220 m] @ 100Kbps) (see Figure A4-6).
100 MBPS
1. It became physically possible
to transmit more than one bit
per signal change through
variations in amplitude, fre-
quency, and/or phase.
10 MBPS
1MBPS
2. A physical bandwidth limit on
voice-grade phone lines made
it difficult to reach baud rates
greater than 2400. Almost all
modems do not operate at a
speed greater than this.
DATA
RATE
100 KBPS
Therefore, a modem operating at
a Pelco referenced baud rate of
9600 is, most likely, a 2400 baud
modem operating at 9600 bps
(or a 4:1 compression ratio or 4 x
2400 = 9600) because of the bps
manipulation mentioned above.
Therefore, for higher speed mo-
dems and for the chart illustrated
in Figure A4-4, modem speeds are
normally listed and referenced at a
bps rate. For convenience, Pelco
refers to modem speeds in all its
communication parameter lists, by
using the term baud rate (a misno-
mer), even though the numerical
portion of the reference is actually
in “bps”. In Figure A4-4 the approxi-
mate baud rate range of Pelco
equipment is highlighted against
the bps per distance chart.
ABOUT 19,200 BPS
MOST PELCO 9760 COMMUNICATION
DEVICES FALL WITHIN THIS BPS RANGE.
FOR CONVENIENCE, PELCO REFERS TO
THESE BPS RATES AS BAUD RATES,
WHICH, IN MOST CASES, EXCEPT FOR
2,400 IS MORE LIKELY THAN NOT,
MISNOMER. SEE THE INFORMATION
BOX IN THE MARGIN.
10 KBPS
1 KBPS
A
ABOUT 2,400 BPS
10
100
1K 5K
10K
LENGTH OF CABLE
(IN FEET)
20075
Figure A4-4. Data Rate vs. Cable Length
4. It is used for both local and remote hookup of system devices; for example, remote hookup
of 9760 keyboards attached to the CC1.
Most of the time, connection cables are supplied with the device. As long as the supplied cable is
appropriate, no problem arises. If the cable length needed is greater than that supplied, a problem
arises for the installer/specifier as to the type of cable to use. One of the most common hookup exten-
sions is the example already referred to: the remote hookup of a 9760 keyboard. The following high-
lights the issues involved and ends with some recommendations.
36
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Remote Hookup of the CM9760-KBD
The 9760 keyboard comes with associated cables and a CM9505UPS (universal power supply) to
supply the 12V needed to power the keyboard. The standard hookup for the keyboard to the matrix
switch (CC1) is shown in Figure A4-5.
COM 1 PINOUTS
1
2
3
4
TX +
5
6
7
8
GND
TX —
WALL-MOUNT POWER PACK
(PELCO # CM9505UPS)
SUPPLIED 25 FOOT,
STRAIGHT OR
PARALLEL CABLE
RX—
RX+
+12 VDC
SERCOM CARD
COM 1
PIN 1
PIN 1
SUPPLIED 25 FOOT,
REVERSE OR
CROSS-WIRE CABLE
CM9760-KBD (BOTTOM VIEW)
THE ABOVE CAN BE REPRESENTED SCHEMATICALLY AS FOLLOWS:
CM9700-CC1
SUPPLIED 25 FOOT,
FLAT CABLE
SUPPLIED 25 FOOT,
FLAT CABLE
(REVERSE)
(STRAIGHT)
S
E
R
C
O
M
CM9760-KBD
CM9505UPS
POWER
FOR
KEYBOARD
Figure A4-5. Keyboard (Local Hookup)
C578M-A (4/05)
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For remote installation of the keyboard, the user must supply a cable of appropriate length that supports
the TIA/EIA-422-B (RS-422) communication standard. The example in Figure A4-6 shows a keyboard
placed 2,000 feet (610 m) from the CC1 via the user-supplied cable. Junction boxes (phone boxes) are
used to facilitate the RJ-45-to-cable connection points at either end of the run. Note that only signal
wires and ground are run through the cable itself (five of the six available wires are used in the
example). The transformer serves to pass on the data signal and to supply power to the keyboard at the
keyboard end.
CM9700-CC1
SUPPLIED 25 FOOT,
FLAT CABLE
SUPPLIED 25 FOOT,
FLAT CABLE
(REVERSE)
(STRAIGHT)
S
E
R
C
O
M
CM9760-KBD
CM9505UPS
POWER
FOR
KEYBOARD
CM9700-CC1
PHONE OR
JUNCTION BOX
(CM9595J)
S
*
E
R
C
O
M
CM9760-KBD
CM9505UPS
2,000 FOOT CABLE**
POWER
FOR
KEYBOARD
SUPPLIED 25 FOOT,
FLAT CABLE
(REVERSE)
SUPPLIED 25 FOOT,
FLAT CABLE
(STRAIGHT)
*CM9505J
** RECOMMENDED CABLE:
BELDEN 9843 OR SIMILAR CABLE THAT SUPPORTS
THE TIA/EIA-422-B (RS-422) STANDARD.
THE CHARACTERISTICS OF THIS CABLE ARE
GIVEN IN TABLE A4-A.
PHONE OR
JUNCTION BOX
(PELCO # CM9505J)
TWP 4
TWP 3
TWP 2
TWP 1
TWP 5
TWP 6
TWP 7
TWP 8
PIN 1
PIN 8
DIRECTION OF PIN RUN
OF RJ-45 INPUT JACK
PIN 1 OF RJ-45 INPUT JACK GOES TO TWP-1 (TERMINAL WIRING POST 1)
PIN 2 OF RJ-45 INPUT JACK GOES TO TWP-2 (TERMINAL WIRING POST 2)
AND SO ON
Figure A4-6. Remote Wiring a CM9760-KBD
Although the communication link can be as far away as 4,000 feet (1,220 m) (per Figure A4-4), this is
theoretical and Pelco recommends that for distances greater than 2,000 feet (610 m) a
CM9505UPS-422 power supply with data repeater be used.
38
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In either case, Pelco recommends using a cable similar to Belden 9843, that meets or exceeds the support requirements for TIA/EIA-422 ap-
plications. TableA4-A is taken directly from the FULL TECHNICAL SPECS page in Belden’s Cable Catalog located on their company web site.
Table A4-A. (TIA/EIA-422*) Cable Example
9843
JACKET
SHIELD
AWG
24
STRANDED
(7 X 32)
TYPE
INSULATION
INSULATION
TC – Tinned Copper
PE – Polyethylene
3-PAIR
TWISTED
TINNED COPPER
STRANDED
24 AWG WIRE
SHIELD
JACKET
# PAIR
3
# TRIADS
0
EXAMPLE: BELDEN 9843
20096
Aluminum Foil-Polyester
Tape/Braid Shield
PVC – Polyvinyl Choride
NOMINAL
INSULATION
JACKET
NOMINAL
NOMINAL
NOMINAL VELOCITY
NOMINAL
OD (in.) THICKNESS (in.) THICKNESS CAPACITANCE (pF/ft) CONDUCTOR DCR (/M’) OF PROPAGATION (%) IMPEDANCE (ohms)
.3600 .00000 .0000 12.800 24.000 66.0 120.0
* TIA/EIA-422-B is the full name of the current standard for what is commonly referred to as RS-422. The prefix “RS”, which stands for
“recommended standard”, was used by the EIA (Electronic Industries Association) as the name for some of its standards. The “RS-” prefix
was dropped by the EIA in 1986 and standards were simply referred to with the EIA- prefix. In 1988 TIA (Telecommunication Industries
Association) was a working group of the EIA and the reference evolved to a combined EIA/TIA- prefix. When TIA became ANSI (American
National Standards Institute) accredited, the acronym order was reversed to TIA/EIA-. In 1992 TIA spun off from EIA and merged with US
Telecommunications Suppliers Association (USTSA). From about that time to the present, the full standard has been referenced as ANSI/
TIA/EIA-422-B, where “B” is the latest revision of the standard. Normally the standard is written simply as TIA/EIA-422. In all probability, that
will be shortened to just TIA-422, at some point in the future. However, everyone has used the “RS-” prefix reference for so long that it may
be some time before its use disappears, if at all.
C578M-A (4/05)
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SECTION 5.0: GENERAL
5.1 SPECIFICATIONS
MODELS
CM9760-HS
Computer Changeover System-hot switch interface unit for redundant
system backup
Computer Changeover Control
Computer Peripheral Switch
(consists of three subunits)
CM9760-CCC:
CM9760-CPS:
CM9760-SEU:
Serial Expansion Unit
ELECTRICAL
CM9760-HS
CM9760-CCC
Input Voltage:
Power:
120 - 240 VAC (auto-switching, euro-plug supplied)
10W
Fusing
2A, fast acting
LED, green
Power Indicator:
CM9760-CPS
Power Indicator:
CM9760-SEU
Power Indicator:
PORTS
LED, green
LED, green
CM9760-CCC
Input (data):
Two (Side-A and Side-B) RS-422, RJ-45 connectors (female)
DIP switch selectable baud rate and communication type
Two (Side-A and Side-B) RS-232, DB9 connectors (female)
DIP switch selectable baud rate and communication type
Two (one IN, one OUT), DB37 connectors (female)
One DB25 (male), capped, not used
Common Bus:
Keyboard:
Logging Printer:
One DB25 (female)
CM9760-CPS
Common Bus:
Input (Side-A):
Two (one IN, one OUT), DB37 connectors (female)
One mini-DIN, 5-pin connector
One DB9, COM 1 connector (male)
One DB15, VGA connector (female)
One DB25 printer connector (female)
One DB25 COM 2 connector (male)
or
One DB9 COM 2 connector (male)
(if DB25 to DB9 adapter is used)
Same configuration as Side-A, input
Same configuration as Side-A, input
Input (Side-B):
Output:
CM9760-SEU
Common Bus:
Input (Side-A):
Input (Side-B):
Output:
Two (one IN, one OUT), DB37 connectors (female)
16, RJ-45 connectors (female)
Same as Side-A configuration
Same as Side-A configuration
MECHANICAL
Connectors
CM9760-CCC
Power:
3-wire, # 18 AWG
RJ-45:
Two, female
DB9:
Two, female
DB25:
DB37:
Two, one male (capped, not used); one female
Two, both female
CM9760-CPS
Mini-DIN, 5-pine:
DB9:
Three, female
Three, male
DB15:
Three, female
DB25:
DB37:
Six, three male; three female
Two, both female
CM9760-SEU
RJ-45:
48, all female
DB37:
Two, both female
40
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GENERAL
CM9760-HS
Operating Temperature:
Construction:
Finish:
32° to 122°F (0° to 50°C)
Aluminum
Black, polyester powder coat
Mounting (each subunit): Fits 19-inch (48.26 cm) EIA standard rack
1 RU
Dimensions (all units):
1.73 (H) x 19.0 (W) x 7.923 (D) inches (4.39 x 48.26 x 20.124 cm)
(See Figure 5-1)
Unit Weight
CM9760-CCC:
CM9760-CPS:
CM9760-SEU:
5.8 lb (2.63 kg)
5.3 lb (2.40 kg)
5.2 lb (2.36 kg)
OPTIONAL ACCESSORIES
Additional SEU units may be added to the HS (up to eight total)
CM9760-SEU Includes:
Cables:
One, SEU unit, boxed
One DB37 cable
32, 8-conductor, RJ-45, flat cables, 3 ft (0.9 m) each
(Design and product specifications subject to change without notice.)
CM9760-CCS-SEU
COMPUTER CHANGEOVER SYSTEM
CM9760-CCS-CPS
COMPUTER CHANGEOVER SYSTEM
1.73
(4.39)
CM9760-CCS-CCC
COMPUTER CHANGEOVER SYSTEM
19.00
(48.26)
17.40
(44.20)
7.923
(20.124)
NOTE: VALUES IN PARENTHESES ARE CENTIMETERS;
ALL OTHERS ARE IN INCHES.
20083
Figure 5-1. CM9760-HS Dimension Drawing
C578M-A (4/05)
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5.2 SEU CONNECTION TEMPLATE
99770000--CCCC11 ‘AA’
9700-CC1 ‘B’
MODEL
SERIAL
MODEL
SERIAL
VOLTS
FREQ
WATTS
AMPS
VOLTS
FREQ
WATTS
AMPS
COM
1
COM
2
COM
1
COM
2
PRINTER
PRINTER
36
35
34
33
32
31
30
29
28
20
12
11
10
9
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
12
11
10
9
27
26
25
24
23
22
21
19
18
17
16
15
14
13
19
18
17
16
15
14
13
8
8
7
7
6
6
5
5
1
CC1 ‘A’
8
1
CC1 ‘B’
8
1
EQUIPMENT
8
IN
CM9760-SEU
SERIAL EXPANSION UNIT
SEU
OUT
9
16
RELAY ACTIVATION FOLLOWS THE
CC1 IN CONTROL (MASTER)
A
SEU #
B
1
CC1 ‘A’
8
1
CC1 ‘B’
8
1
EQUIPMENT
8
1
9
9
2
3
4
5
6
7
8
1
9
2
3
4
5
6
7
8
1
9
2
3
4
5
6
7
8
10
11
12
13
14
15
16
10
11
12
13
14
15
16
10
11
12
13
14
15
16
16
CC1 A
CC1 B
(9700 SERCOM)
CC1 ‘A’ EQUIPMENT
CC1 ‘B’
(SEU)
PORT
(SEU)
EQUIPMENT DESCRIPTION
1
2
1
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
11
12
13
14
15
16
10
11
12
13
14
15
16
42
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PRODUCT WARRANTY AND RETURN INFORMATION
WARRANTY
Pelco will repair or replace, without charge, any merchandise proved defective in material or
workmanship for a period of one year after the date of shipment.
If a warranty repair is required, the Dealer must contact Pelco at (800) 289-9100 or
(559) 292-1981 to obtain a Repair Authorization number (RA), and provide the following
information:
Exceptions to this warranty are as noted below:
1. Model and serial number
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice number
3. Details of the defect or problem
•
Five years on FR/FT/FS Series fiber optic products and TW3000 Series unshielded twisted
pair transmission products.
•
•
Three years on Genex® Series products (multiplexers, server, and keyboard).
If there is a dispute regarding the warranty of a product which does not fall under the
warranty conditions stated above, please include a written explanation with the product
when returned.
Three years on Camclosure® and fixed camera models, except the CC3701H-2,
CC3701H-2X, CC3751H-2, CC3651H-2X, MC3651H-2, and MC3651H-2X camera models,
which have a five-year warranty.
Method of return shipment shall be the same or equal to the method by which the item was
received by Pelco.
•
•
•
Three years on PMCL200/300/400 Series LCD monitors.
Two years on standard motorized or fixed focal length lenses.
Two years on Legacy®, CM6700/CM6800/CM9700 Series matrix, and DF5/DF8 Series
fixed dome products.
Two years on Spectra®, Esprit®, ExSite™, and PS20 scanners, including when used in
continuous motion applications.
RETURNS
In order to expedite parts returned to the factory for repair or credit, please call the factory at
(800) 289-9100 or (559) 292-1981 to obtain an authorization number (CA number if returned
for credit, and RA number if returned for repair).
•
•
•
Two years on Esprit® and WW5700 Series window wiper (excluding wiper blades).
All merchandise returned for credit may be subject to a 20% restocking and refurbishing
charge.
Two years (except lamp and color wheel) on Digital Light Processing (DLP®) displays.
The lamp and color wheel will be covered for a period of 90 days. The air filter is not
covered under warranty.
Goods returned for repair or credit should be clearly identified with the assigned CA or RA
number and freight should be prepaid. Ship to the appropriate address below.
•
•
•
Eighteen months on DX Series digital video recorders, NVR300 Series network video
recorders, and Endura™ Series distributed network-based video products.
If you are located within the continental U.S., Alaska, Hawaii or Puerto Rico, send goods to:
One year (except video heads) on video cassette recorders (VCRs). Video heads will be
covered for a period of six months.
Service Department
Pelco
3500 Pelco Way
Clovis, CA 93612-5699
Six months on all pan and tilts, scanners or preset lenses used in continuous motion
applications (that is, preset scan, tour and auto scan modes).
Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco
shipment. All goods requiring warranty repair shall be sent freight prepaid to Pelco, Clovis,
California. Repairs made necessary by reason of misuse, alteration, normal wear, or accident
are not covered under this warranty.
If you are located outside the continental U.S., Alaska, Hawaii or Puerto Rico and are
instructed to return goods to the USA, you may do one of the following:
If the goods are to be sent by a COURIER SERVICE, send the goods to:
Pelco
Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from
the specific use or application made of the Products. Pelco’s liability for any claim, whether
based on breach of contract, negligence, infringement of any rights of any party or product
liability, relating to the Products shall not exceed the price paid by the Dealer to Pelco for
such Products. In no event will Pelco be liable for any special, incidental or consequential
damages (including loss of use, loss of profit and claims of third parties) however caused,
whether by the negligence of Pelco or otherwise.
3500 Pelco Way
Clovis, CA 93612-5699 USA
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:
Pelco c/o Expeditors
473 Eccles Avenue
South San Francisco, CA 94080 USA
Phone: 650-737-1700
Fax: 650-737-0933
The above warranty provides the Dealer with specific legal rights. The Dealer may also have
additional rights, which are subject to variation from state to state.
The materials used in the manufacture of this document and its components are compliant to the requirements of Directive 2002/95/EC.
This equipment contains electrical or electronic components that must be recycled properly to comply with Directive 2002/96/EC of the European Union
regarding the disposal of waste electrical and electronic equipment (WEEE). Contact your local dealer for procedures for recycling this equipment.
REVISION HISTORY
Manual # Date
Comments
C578M
1/02
4/05
Original version.
C578M-A
Added master/slave wiring information for SEU subunit. Changed CM9760-CC1 references to CM9700-CC1. Revised Figure 2-3 and
Specifications to change data SEU cable length from 10 feet to 3 feet per ECO 05-10902.
Pelco, the Pelco logo, Spectra, Esprit, Camclosure, Genex, Legacy, and System 9760 are registered trademarks of Pelco.
Endura and ExSite are trademarks of Pelco.
© Copyright 2005, Pelco
All rights reserved.
DLP is a registered trademark of Texas Instruments, Inc.
C578M-A (4/05)
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Worldwide Headquarters
3500 Pelco Way
Clovis, California 93612 USA
USA & Canada
Tel: 800/289-9100
Fax: 800/289-9150
International
Tel: 1-559/292-1981
Fax: 1-559/348-1120
ISO9001
United States Canada United Kingdom The Netherlands Singapore Spain Scandinavia France Middle East
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