StarTech.com SV231DPUA User manual

Manual Revision: 05/01/2014
For the most up-to-date information, please visit: www.startech.com
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
*actual product may vary from photos
SV231DPUA / SV431DPUA
2/4 Port USB DisplayPort® KVM Switch with Audio

Instruction Manual
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 o 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 dierent 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.

Instruction Manual
i
Table of Contents
Introduction ...........................................................................................1
Features ........................................................................................................................................................ 1
Package Contents .................................................................................................................................... 1
System Requirements.............................................................................................................................. 1
Installation ..............................................................................................1
Hardware Installation .............................................................................................................................. 2
Driver Installation...................................................................................................................................... 5
Operation ................................................................................................5
Front Panel................................................................................................................................................... 5
Port Selection Button .............................................................................................................................. 6
AutoScan...................................................................................................................................................... 6
Scan Time..................................................................................................................................................... 6
HotKey Control .......................................................................................6
Auto Scan..................................................................................................................................................... 7
Manual Scan ............................................................................................................................................... 7
Alternative Hotkey Commands............................................................................................................ 9
Change Leading Hotkey......................................................................................................................... 10
Specications..........................................................................................11
Technical Support ..................................................................................13
Warranty Information............................................................................13

Instruction Manual
1
Introduction
Features
• Easy installation, no drivers required
• Supports Plug and Play and hot swap to save time from rebooting the computer
• Supports data transfer rates up to 480Mbps when used on a USB 2.0 port
Package Contents
• SV231DPUA or SV431DPUA KVM switch
• Power Adapter
• Rubber Feet
• Instruction Manual
System Requirements
• DisplayPort enabled computer system/video card
• USB enabled computer system
• DisplayPort enabled display device (e.g. monitor, projector, TV, etc.)
• Standard 104-key wired USB keyboard
• Standard 3-button wired USB mouse
Installation
NOTE: Prior to the installation, please power o all devices that will be connected to
this system. Ensure that all devices you will connect are properly grounded. Place
cables away from uorescent lights, air conditioners, and machines that are likely to
generate electrical noise.
If you experience any problems using a USB KVM switch, the following BIOS setup
changes may be necessary for PC users and not necessary for Mac users:
• Set HALT ON ERROR to ALL BUT KEYBOARD.
• In PNP AND PCI SETUP, set PNP OS INSTALLED to YES and set USB IRQ to ENABLED.
Dierent systems may use dierent naming, so contact your system manufacturer for
further assistance with these settings.

Instruction Manual
2
Hardware Installation
Front View - SV231DPUA
Rear View - SV231DPUA
Port Selection/Link LED Port Selection
Button

Instruction Manual
3
Front View - SV431DPUA
Rear View - SV431DPUA
Power
LED
Port Selection
Button
Port Selection/Link
LED

Instruction Manual
4
*installation pictures are representations only
1. Plug a monitor into the Console’s DisplayPort connector; plug a USB keyboard and a
USB mouse into the dedicated USB keyboard and mouse ports on the KVM switch. If
using audio, also connect speakers and/or a microphone with 3.5mm mini-jack plugs.
2. Use a male-to-male DisplayPort video cable to connect the DisplayPort connector
on the computer’s video card, to one of the KVM’s PC ports (i.e. PC1)
3. Use a USB type A-B Cable to connect the KVM’s USB port (type B, square connector)
for the PC port used in Step 2, and the USB port on the computer (type A, at
connector). If using audio, connect 3.5mm mini-jack cables from the PC port to the
computer sound card.
NOTE: A DisplayPort + USB + Audio KVM combo cable is also available which can be

Instruction Manual
5
used in place of separate individual cables, StarTech.com ID: DP4N1USB6.
4. Repeat for Steps 2 and 3 for each PC port on the KVM switch, or each computer you
wish to use on the KVM.
5. OPTIONAL: Connect any other USB peripherals you wish to share between the
connected computers/devices to the extra USB Hub ports on the Console side.
6. Connect the external power adapter from a wall outlet to the power connector on
the rear panel of the KVM switch. The Power LED should light up solid and/or the
LED for the selected PC port.
7. Power up the rst computer/device and wait for it to fully boot and test keyboard/
mouse functionality.
8. Once operation has been successfully conrmed, switch to the next port and power
up that computer/device and conrm.
9. Once completed for all computers/devices connected to the KVM switch, you
should be able to switch between ports freely.
Driver Installation
No driver installation is required for the KVM switch, as the keyboard and mouse
use generic USB keyboard/mouse drivers that are already installed on any operating
system that fully supports USB.
Operation
Front Panel
Port Selection/Link LED
The LED turns green when the connected computer is powered-on. The corresponding
LED will also illuminate red when that PC port is currently selected.

Instruction Manual
6
Port Selection Button
2-Port: Pressing the front panel “Select” button will toggle between the two ports on
the KVM switch.
4-Port: Each push button on the front panel corresponds with a PC port. Pressing that
button will immediately select that port.
AutoScan
The system automatically scans through the power-on computers in sequence with a
xed interval (see Scan Time below).
4-Port: To activate AutoScan, press front panel push buttons “3” and “4”simultaneously.
The port selection LED will ash during AutoScan. AutoScan will select active
computers only. To exit AutoScan mode, just press any one of the front panel
push buttons.
Scan Time
Four options are available for users to set the Scan Time duration, it Includes 3, 8, 15
and 30 seconds.
Note: Scan Time is set to 3 seconds by default.
4-Port: To change the Scan Time, press front panel buttons“1” and“2” simultaneously.
The unit will respond with beep(s) of 1, 2, 3 or 4 times for a Scan Time of 3, 8, 15
or 30 seconds respectively.
HotKey Control
A Hotkey command is a short keyboard sequence for selecting a computer, activating
computer scan, etc. A hotkey sequence starts with two left <CTRL> keystrokes
(successively within 0.2 seconds) followed by one or two more keystrokes. A built-in
tone generator creates a high-pitch beep for correct hotkey command; otherwise, one
low-pitch beep is generated for errors and the bad key sequence will not be forwarded
to the selected computer.
NOTE: Press and hold Left <SHIFT> and press <NumLock> twice, then release <SHIFT>
followed by pressing left <CTRL> once, which will enable / disable the hotkey feature.

Instruction Manual
7
To select a computer:
Left <CTRL> + Left <CTRL> + <1>
(Example: Selects the computer at port 1.)
Left <CTRL> + Left <CTRL> + <2>
(Example: Selects the computer at port 2.)
NOTE: Do not use the keypad on the right-side of the keyboard.
Auto Scan
The KVM automatically scans through the powered-on computers in sequence on a
xed time interval (see Scan Time below).
Note: The keyboard and mouse are not operable during Auto Scan.
To start Auto Scan:
Left <CTRL> + Left <CTRL> + <F1>
To abort the Auto Scan mode, press the left <CTRL> key twice. When Auto Scan detects
any keyboard or mouse activity, it suspends the scanning till the activity stops; it then
resumes with the next computer in sequence. The length of the Auto Scan interval
(Scan Time) is adjustable, see below.
Manual Scan
Manual Scan allows users to manualls switch back and forth between powered-on
computers.
Left <CTRL> + Left <CTRL> + <F2>
To select the previous or the next computer, press <UP> or <DOWN> arrow keys. To
abort the Manual Scan, press any other key.