StarTech.com SV431DUSBU User manual

Rackmount USB KVM
Switch
4/8/16 - Port 1U Rackmount USB
KVM Switch with OSD
SV431DUSBU
SV831DUSBU
SV1631DUSBU
Instruction Manual
Manual Revision:02/04/2011
For the most up-to-date information, please visit www.startech.com

FCC Compliance Statement
This equipment has been tested and found to comply with the limits for 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 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 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.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only
and do not represent an endorsement of a product or service by StarTech.com, or an
endorsement of the product(s) to which this manual applies by the third-party company
in question. Regardless of any direct acknowledgement elsewhere in the body of
this document, StarTech.com hereby acknowledges that all trademarks, registered
trademarks, service marks, and other protected names and/or symbols contained in this
manual and related documents are the property of their respective holders.

i
Table of Contents
Introduction..................................................................... 1
Packaging Contents.....................................................................1
System Requirements .................................................................1
Installation....................................................................... 2
Hardware Installation...................................................................2
Cascaded configurations.............................................................3
Operation......................................................................... 5
Push Button controls ...................................................................5
OSD (On Screen Display) Operation...........................................6
Hot-key commands......................................................................11
Change Leading Hotkey ..............................................................13
Specifications.................................................................. 15
Technical Support........................................................... 16
Warranty Information...................................................... 16

1
Introduction
Packaging Contents
• 1 x KVM Switch
• 8 x USB VGA KVM Cable (SV831DUSBUK only)
• 16 x USB VGA KVM Cable (SV1631DUSBUK only)
• 1 x Power Adapter
• 1 x Foot Pad (set)
• 2 x Rackmount Bracket (8 port and 16 port only)
• 1 x User Manual
System Requirements
• USB compatible 3 button wired mouse
• USB compatible 104-key wired keyboard
• VGA enabled display device
• StarTech.com KVM cables
• VGA enabled computer systems

2
Installation
Hardware Installation
WARNING: Prior to installation, please ensure that all computers and
KVM switch(es) are powered down.
Console Connection
The SVxxxDUSBU series of KVM switches are designed to use 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.
Connecting Computer 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.
KVM
cable
*SV1631DUSBU shown
VGA
Monitor
USB
keyboard
USB
mouse
*SV1631DUSBU shown

3
Cascaded congurations
NOTE: The Master KVM switch must have equal or more PC ports
than that of the Slave KVM switches. For example, if an 8-port switch is
the Master, an 8-port or 4-port switch can be a Slave, but not a 16-port
switch.
The ports labelled PC 1 - PC 8 can be connected to either a computer
or a Slave KVM switch’s CONSOLE port. On a 16-port KVM switch, the
ports marked PC A - PC H can only be connected to computers. Use
only the appropriate StarTech.com KVM cables to connect the Master
KVM switch’s PC ports and Slave KVM switch’s CONSOLE port:
The maximum number of computers controlled by a Master/Slave
configuration with all 8-port KVM switches used is 64, with 8 Slaves
and each Slave connecting to 8 computers:
The maximum number of computers controlled in a Master/Slave
configuration with all 16-port KVM switches used is 136, with 8 units
of 16-port Slaves (to PC 1 - PC 8) and each Slave connected to 16
computers, plus 8 more computers connected directly to the Master (to
ports PC A - PC H):
After the connection has been completed, please re-activate the OSD
menu to verify that the Master recognizes the Slaves. A triangle mark
(►) is placed next to the right of the channel name indicating that the
port is connected to a Slave, not a computer. A number to the left of the
triangle mark indicates the Slave model, i.e. ‘8’ for an 8-port switch.
KVM cables
*SV1631DUSBU shown

4
NOTE: A device (computer or KVM switch) at any ‘PC x’ port can be
changed at any time after initial power-up. If you change any one of the
PC 1 to PC 8 port connections from a computer to a Slave KVM switch
or vice versa, or replace the devices of a port, the OSD will update this
change the next time it is activated.

5
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. For 16 port
models, 1 to 8 represents the lower 8 ports, while A to H indicates the
higher ports. Ports 1 and A share the same pushbutton, as do 2 and B,
3 and C, etc.
EXAMPLE: If port 1 is already selected and you wish to switch to Port
A, tap the shared pushbutton once to select Port A. If Port 1 is not
selected, press and hold pushbutton 1 for two seconds to select Port A.
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. (SV431DUSBU uses buttons 3 and 4 to
launch this function).

6
OSD (On Screen Display) Operation
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 showing a list of the computers with corresponding
channel addresses, names and status.
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’.

7
The color of a device name is green if it has power and is ready for
selection (its corresponding front panel indicator is green). The color is
white if it has no power. The OSD menu updates 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
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; the number at the left of the triangle mark shows
the number of ports the Slave has, i.e. 8 for SV831DUSBU. 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 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.
First, 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. Nonvolatile memory
stores all name entries until you change, 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 its 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.