8 Port Rack Mount VGA USB KVM
Switch with Audio
SV831DUSBAU
*actual product may vary from photos
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
Manual Revision: 01/28/2013
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Table of Contents
Introduction ...........................................................................................1
Package Contents ..................................................................................................................................... 1
Installation ..............................................................................................2
Console Connection................................................................................................................................. 2
Connecting Computers to the KVM Switch..................................................................................... 3
Cascaded Configurations....................................................................................................................... 4
Operation ................................................................................................5
Push Button controls ............................................................................................................................... 5
K/M Reset ..................................................................................................................................................... 5
Auto Scan..................................................................................................................................................... 5
OSD (On Screen Display) Operation....................................................6
Auto Scan..................................................................................................................................................... 10
Manual Scan................................................................................................................................................ 10
Hot-key commands.................................................................................................................................. 11
Sun/Mac Keyboard Mapping................................................................................................................ 13
Specifications..........................................................................................15
Technical Support ..................................................................................16
Warranty Information............................................................................16
Instruction Manual
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Introduction
The SV831DUSBAU 8 Port Rack Mount USB VGA KVM Switch (with Audio Cables
Included) allows you to control up to 8 USB computers using a single keyboard, mouse
and monitor, and features Audio and Microphone ports to switch between audio
signals as well as PC ports.
Based on a 1U rack mountable slim form factor design, this 8 Port USB KVM uses
rear cable connections to maximize space efficiency. Multiple KVM units can also be
connected (cascaded) together for control of up to 64 computers, ensuring a scalable
KVM solution that can be expanded as necessary.
To ensure seamless operation, the switch features automatic and manual scan
modes, supports both hot-key and front panel push-button switching, and features a
convenient OSD (on-screen display) for added configuration options.
Backed by a StarTech.com 3-year warranty and free lifetime technical support
Features
•
•
•
•
•
•
Auto-scan function automatically selects computers sequentially
Cascade configuration expands system capability
Hotkey functions allow easy computer access/switching
Identifies and selects computers by name assignment
OSD security option protected against unauthorized computer use
Unique cables offer convenient, space-saving connections
Package Contents
•
•
•
•
•
•
•
1 x 8 Port KVM Switch
8 x 6ft. green (speaker) 3.5mm mini-jack audio cable
8 x 6ft. red/pink (microphone) 3.5mm mini-jack audio cable
2 x Mounting Bracket
3 x Power Cord (NA/UK/EU)
1 x User Manual
1 x Foot pad (set)
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Installation
WARNING: Prior to installation, please ensure that all computers and KVM switch(es)
are powered down.
Console Connection
The SV831DUSBAU is designed for use with USB console connections only. A USB
compatible keyboard and mouse and VGA monitor must be used for the local console.
A USB keyboard/mouse combo device that uses a single USB connector may also
be used, but must be connected to the USB Keyboard port only. If using audio,
separately connect the 3.5mm mini-jack cables for the speaker and microphone to the
corresponding Console connectors indicated.
Microphone
Speakers
VGA
Monitor
USB
mouse
USB
keyboard
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Connecting Computers to the KVM Switch
To connect a computer to the KVM switch, use the appropriate StarTech.com KVM
cable to connect from one of the PC ports located on the rear panel of the KVM switch
to the keyboard/mouse and VGA video ports on the computer.
If using audio, separately connect 3.5mm mini-jack cables for the speaker and
microphone connections from the same PC port to the sound card on the computer.
Repeat these steps for each computer you wish to connect to the KVM switch.
KVM
cable
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Cascaded Configurations
NOTE: The Master KVM switch must have equal or more PC ports than that of the Slave
KVM switch. For example, if an 8-port switch is the Master KVM switch, an 8-port or
4-port switch can be used as a Slave KVM switch, but a 16-port switch cannot be used.
The ports labelled PC 1 - PC 8 can be connected to either a computer or a Slave
KVM switch’s CONSOLE port, as shown below. Use only StarTech.com KVM cables to
connect the Master KVM switch’s PC ports and Slave KVM switch’s CONSOLE port, as
shown below:
KVM cables
The maximum number of computers controlled by a master/slave configuration with all
8-port units is 64, including 8 Slave KVM switches and each slave unit connecting to 8
computers as depicted below:
DC9-12V, 500mA
Master
Slave
Slave
Computers
Computers
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NOTE: A device (computer or KVM switch) on any PC port can be changed at any time
after initial power up. If you change any one of the PC1 thru PC8 connections from
a computer system to a Slave KVM switch or vice-versa, or simply change/replace
the device, the On-Screen Display (OSD) will update the next time the OSD menu is
activated.
After the connection has been completed, please reactivate the OSD menu to verify
that the Master KVM switch has recognized the Slave KVM switches. A triangle mark is
placed to the right of the Channel Name to indicate that the port connected is a KVM
switch and not a computer. A number to the left of the triangle mark indicates the
number of ports on the Slave KVM switch.
Operation
You may select a computer by pressing the front panel push button directly, by
issuing hot-key commands or by activating the OSD window. The front panel indicator
changes to reflect the computer port selected (red) and whether the port is connected
to a powered computer (green). The indicator flashes red when it is in either Auto Scan
or Manual Scan mode.
Push Button controls
To select control of an attached computer, press the front panel button that
corresponds with the assigned computer number.
K/M Reset
K/M Reset resolves the majority of problems developed by keyboard and/or
mouse device replacement or configuration changes. Press down buttons 1 and 2
simultaneously for 2 seconds to reconfigure the whole system without having to turn
off the KVM switch or any attached computers.
Auto Scan
This KVM switch provides an easy to use feature to start Auto Scanning. To use this
function, simultaneously press buttons 7 and 8 and hold for two seconds.
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OSD (On Screen Display) Operation
Currently
selected channel
address
Port Channel
Address
To a 16-port
Slave
To an 8-port
Slave
Highlighted by
arrow keys
Eye mark
enabled
Security
enabled port
Master port
name (group
name)
White indicates
power off
User-input port
names
Green indicates
power on
Eye mark enabled
By hitting the left <CTRL> key twice within two seconds, you may see the ’Hotkey
Menu’if it is enabled (an OSD option). Or, by hitting the left <CTRL> key three
times within two seconds, you will see a ’KVM MENU’screen displaying a list of the
computers with corresponding channel addresses, names and status.
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The channel address (port number) of the currently selected computer is displayed in
red, same as the front indicator, to the right of the OSD title ’KVM MENU’.
The color of a device name is green if it has power and is ready for selection (its
corresponding front panel indicator is green), or the color is white as it has no power.
OSD menu updates the color when it is activated.
Use the <UP> and <DOWN> arrow keys to highlight a computer and the <ENTER>
key to select it. Or, you may press <ESCAPE> to exit the OSD and remove the OSD
menu from the display; the status window returns to the display and indicates the
currently selected computer or operating status.
A triangle mark ( ►) to the right of a name indicates the port is cascaded to a slave
switch; the number at the left of the triangle mark indicates the number of ports the
slave has, (i.e. 8 for SV831DUSBAU). The <ENTER> key brings you one level down and
another screen pops up listing the names of the computers on that slave. The name of
the slave will be shown at the upper right corner of the OSD menu. It is useful to group
computers and still be able to see the group name.
An eye mark (N) to the right of a name indicates the computer is selected to be
monitored in Scan mode. In the OSD, this mark can be switched on or off by function
key <F2>.
Press the <ESCAPE> key to exit the OSD and to return to the selected computer, the
computer name is also shown on the screen.
Function key <F1>: To edit the name entry of a computer or a slave, use
the <UP> and <DOWN> arrow keys to highlight a
channel, then press <F1> followed by name entry.
Valid characters are ‘A’~’Z’, ‘0’~’9’and the dash
character. Lowercase letters are converted to
uppercase ones.
Press the <BACKSPACE> key to delete a letter one
at a time. Non-volatile memory stores all name en
tries until you change them, even if the unit is
powered down.
Function key <F2>: To switch the eye mark (N) of a computer on or off.
First, use the <UP> and <DOWN> arrow keys to
highlight it, then press <F2> to switch it’s eye mark
on or off. If Scan Type is ’Ready PC + N’, only the
power-on and eye mark selected computers will be
displayed sequentially in Scan mode.
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Function key <F3>: To lock a device (a computer or a slave) from
unauthorized access, use Security. Security is
effective for only one device (a computer or a slave).
To lock a device Use the <UP> and <DOWN> arrow
keys to highlight it, then press <F3>. Now, enter up to
4 characters (‘A’~’Z’, ‘0’~’9’, ‘-’) followed by <ENTER> as
new password. A Security enabled device is marked
with a lock (Ï) following its channel number. To
permanently disable the security function from a
locked device, highlight it, press <F3> then enter
the password.
If you want to access the locked device
temporarily, simply highlight it and press <ENTER>,
the OSD will ask you for the password. After entering
the correct password, you are allowed to use the
device. This device is automatically re-locked once
you switch to another port. During Scan mode, OSD
skips the security-enabled device.
NOTE: If you forget the password, the only way to permanently erase all of the
passwords is to press and hold the 1 and 2 front panel buttons, then hold 7 and 8.
Release 7 and 8, then release 1 and 2.
Function key <F4>: More functions are available by hitting <F4>. A new
screen pops up displaying more functions as
described below. Most of them are marked with a
triangle (►) indicating there are options to choose
from. Using the <UP> and <DOWN> arrow keys,
select the functions and press <ENTER>. Available
options will be shown in the middle of the screen.
Again, use the <UP> and <DOWN> arrow keys to
view options then press <ENTER> to make your
selection. You can press <ESCAPE> to exit.
Function Key <F5>: To switch the Sun mark of a port on or off indicating
the computer is a Sun server as shown below. Sun
servers have more keys on the keyboard than a PC.
When a Sun-marked port is selected, the KVM
Switch starts to translate the keys from a PC
keyboard to a Sun keyboard. See the section entitled
Sun Keyboard Mapping for further detail.
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NOTE: It is unnecessary to switch the Sun mark ON or OFF if an authentic Sun
keyboard is being used on the console. In other words, you must ensure that the Sun-
marked port has not been selected if you are already using a Sun keyboard.
With different types of keyboard and computer, the Sun Mark must be set up in
compliance with the following instruction:
Keyboard Type
USB (non-Sun)
Computer Type
PC/Mac
Sun
Sun Mark
No
USB (non-Sun)
Yes
USB (Sun keyboard)
USB (Sun keyboard)
PC/Mac
Sun
No
Yes
ESC: To exit the OSD, press the <ESCAPE> key.
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Auto Scan
In this mode, the KVM Switch automatically switches from one power-on computer to
the next, sequentially, in a fixed interval. During AutoScan mode, the OSD displays the
name of the selected computer.
When Auto Scan detects any keyboard or mouse activity, it suspends the scanning
until activity stops; it then resumes with the next computer in sequence.
To abort Auto Scan mode, press the left <CTRL> twice, or, press any front button.
Scan Type and Scan Rate set the scan pattern. Scan Type (<F4>: More\Scan Type)
determines if scanned computers must also be eye mark selected. Scan Rate(<F4>:
More\Scan Rate) sets the display interval when a computer is selected before selecting
the next one.
Manual Scan
Scan through power-on computers one by one by keyboard control. You can type
(<F4>: More\Scan Type) to determine if scanned computers must also be eye mark
selected.
Press the up arrow key (á) to select the previous computer and the down arrow key
(â) to select the subsequent computer. Press any other key to abort Manual Scan
mode.
Scan Type:
Ready PC + N: In Scan mode, scan through power-on and eye mark
selected computers. The non-volatile memory
stores the Scan Type setting.
Ready PC: In Scan mode, scan through power-on computers.
N
only: In Scan mode, scan through any eye-marked computer regardless of
computer power status. The non-volatile memory stores the Scan Type setting.
Scan Rate: Sets the duration of a computer displayed in Auto Scan mode.
The options are 3 seconds, 8 seconds, 15 seconds and 30
seconds. The non-volatile memory stores the Scan Rate
setting.
Hotkey Menu: When you hit the left <CTRL> key twice within two
seconds, the Hotkey Menu appears displaying a list of
hotkey commands if the option is On. The hotkey Menu
can be turned Off if you prefer not to see it when the left
<CTRL> key is hit twice. The non-volatile memory stores
the Hotkey Menu setting.
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CH Display:
Auto Off: After you select a computer, the channel address and name of
the computer will appear on the screen for 3 seconds then
disappear automatically.
Always On: The channel address and name of a selected computer and/
or OSD status displayed on the screen all the time. The
non-volatile memory stores the CH Display setting.
Position: The position of the selected computer name and/or OSD status
displayed on-screen during operation. The actual display
position shifts due to different VGA resolution, the higher the
resolution the higher the display position. The non-volatile
memory stores the Position setting.
Upper Left, Upper Right, Middle, Lower Left, Lower Right.
Country Code for Sun: Sun keyboards of different languages have
different layouts. The KVM switch is able to emulate a Sun
keyboard for a specific language type or country such as
Arabic, Belgian, US, Yugoslavia, etc. Select the proper
country code that matches all of your Sun computers.
Please Note: The country code must be set prior to
powering up the Sun computer. Not performing this step
prior to power-up could cause the system to malfunction.
You can adjust the monitor resolution under this sub-menu. The following selections
are available: 1024x768, 1280x1024, 1600x1200, 1920x1440, widescreen: 1680x1050,
1280x720, 1366x768, 1920x1080 and “DDC2B Disable”.
Hot-key commands
Hot-key commands are short keyboard sequences used to select a computer, to
activate computer scan, etc. SV831DUSBAU interprets keystrokes followed by one or
two more keystrokes; a built-in buzzer generates a high-pitch beep for a correct hotkey
command, otherwise, one low-pitch beep for an error and the bad key sequence will
not be forwarded to the selected computer.
The short form hotkey menu can be turned on as an OSD function (<F4>:More\
Hotkey Menu) every time the left <CTRL> key is pressed twice.
NOTE: Left<CTRL>: denotes the Ctrl key on the left side of the keyboard
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1~8: designate the number keys ‘1’~‘8’in the upper row of the keyboard
Do not use the keypad at the right of the keyboard.
To select a computer by hotkey command, you must know its port number, which is
determined by the KVM Switch connection. For a computer connected to a slave, two
characters represent its port - the first character is the port number of the master unit
(1~8) and the second one is the port number of the slave (1~8).
Left <CTRL> , Left <CTRL>, 7 : Selects a computer connected to port 7 of the master.
Left <CTRL> , Left <CTRL> 6, 3 : Selects a computer connected to port 3 of a slave
that is connected to port 6 of the master.
To start Auto Scan, automatically scan power-on computers individually at a
fixed interval:
Left <CTRL>, Left <CTRL>, F1
When Auto Scan detects any keyboard or mouse activity, it suspends the scanning
until the activity stops. It then resumes with the next computer in sequence. The
length of the Auto Scan interval (Scan Rate) is adjustable.
To abort Auto Scan mode, press the left <CTRL> key twice.
NOTE: Scan Type determines whether an eye-marked computer is to be displayed
during Auto Scan.
Manual Scan enables you to manually switch back and forth between the powered
computers:
Left <CTRL>, Left <CTRL>, F2
Press “á”, “┓ to select the previous or the next computer in sequence. Press any
other key to abort the Manual Scan.
NOTE: Scan Type determines whether an eye-marked computer is to be displayed
during Auto Scan.
To adjust Scan Rate, which sets the duration before switching to the next computer in
Auto Scan:
Left <CTRL>, Left <CTRL>, F3
The switch will beep one to four times indicating the scan interval of 3, 8, 15 and 30
seconds respectively.
To set Audio Stick, which controls which computer’s microphone and speaker signal
is active:
Left <CTRL>, Left <CTRL>, F5
The KVM switch will beep once or twice for ON and OFF respectively. When ON, audio
selection follows computer selection. When OFF, audio selection stops following
computer selection. Audio Stick is also accessible via the OSD menu (<F4>:More\
Audio Stick).
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Sun/Mac Keyboard Mapping
The KVM Switch emulates a Sun Keyboard when a computer is marked with a Sun, in
the OSD menu by Function Key <F5>. A Sun keyboard has more keys than a standard
PC keyboard. These extra keys are simulated by tapping the right <CTRL> button
(normally located on the right lower part of the keyboard) followed by one of the
function keys on the general keyboard (i.e. combo key). For example, tap the right
<CTRL> key, and then tap the function key <F7> to activate Open for a Sun computer.
NOTE: For older Sun Operating Systems, the switch does not support the LowPower
option under Power Off Select.
For keystroke emulation of Sun/Mac computers, please refer to the chart on the
following page and conduct the following two examples:
Stop A function in Sun: Press right <CTRL> and release, then within two seconds press
F1 and A in sequence.
The Help function in Sun: Press right <CTRL> and release, then within 2 seconds, press
the H key.
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Map to SUN
Keyboard
Map to MAC
Keyboard
From Standard Keyboard
Press Right CTRL and release; 1
Press Right CTRL and release; 2
Press Right CTRL and release; 3
Press Right CTRL and release; 4
w
Power
Press Right CTRL and release; F1
Press Right CTRL and release; F2
Press Right CTRL and release; F3
Press Right CTRL and release; F4
Press Right CTRL and release; F5
Press Right CTRL and release; F6
Press Right CTRL and release; F7
Press Right CTRL and release; F8
Press Right CTRL and release; F9
Press Right CTRL and release; F10
Print Screen
Stop
Again
Props
Undo
Front
Copy
Open
Paste
Find
Cut
F13
F14
F15
Scroll Lock
Pause Break
Press Right CTRL and release; H
Right ÿ
Help
Right
Left
Right +
Left +
Left ÿ
Compose
Right ALT key
ALT graph
ALT
Right - Option
Left ALT key
Left - Option
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Specifications
Maximum # of connected
computers (Cascaded)
64
Maximum Video Resolution
Storage Temperature
1920 x 1440
-20° ~ 60° C
Storage Humidity
0-80% RH
Operating Temperature
Operating System Support
Number of Computer Ports
KVM Console Interface
5° ~ 40° C
OS Independent (transparent)
8
USB
1 x DE-15 VGA female
2 x USB type A female
Console Connectors
2 x 3.5mm Audio Mini-Jack female
1 x DE-15 VGA female
Computer (PC) Connectors -
Per Port
2 x 3.5 mm Audio Mini-Jack female
Power Consumption (Max.)
Dimensions - H x W x L
Weight
9-12VDC, 500mA
45 mm (1.77”) x 180 mm (7.09”) x 548mm (21.3”)
2.6 kg (91.78 oz)
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Technical Support
StarTech.com’s lifetime technical support is an integral part of our commitment to
provide industry-leading solutions. If you ever need help with your product, visit
www.startech.com/support and access our comprehensive selection of online tools,
documentation, and downloads.
For the latest drivers/software, please visit www.startech.com/downloads
Warranty Information
This product is backed by a three year warranty.
In addition, StarTech.com warrants its products against defects in materials
and workmanship for the periods noted, following the initial date of purchase.
During this period, the products may be returned for repair, or replacement with
equivalent products at our discretion. The warranty covers parts and labor costs only.
StarTech.com does not warrant its products from defects or damages arising from
misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their
officers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business,
or any pecuniary loss, arising out of or related to the use of the product exceed the
actual price paid for the product. Some states do not allow the exclusion or limitation
of incidental or consequential damages. If such laws apply, the limitations or exclusions
contained in this statement may not apply to you.
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