StarTech.com SV431-DVIUA User Manual

4 Port DVI USB KVM Switch with Audio
and USB 2.0 Hub

SV431DVIUA

*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

For the most up-to-date information, please visit: www.startech.com

Manual Revision: 10/01/2012

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

Table of Contents

Introduction ...........................................................................................1

Features ........................................................................................................................................................ 1

Before You Begin ....................................................................................................................................... 1

Package Contents .....................................................................................................................................1

Installation ..............................................................................................2

Console Connections ............................................................................................................................... 2

Connecting Slave Computers ............................................................................................................... 3

Operation ................................................................................................4

Rack Mount Kit (Optional) ....................................................................6

Troubleshooting .....................................................................................7

Specications ..........................................................................................8

Technical Support ..................................................................................9

Warranty Information ............................................................................9

Instruction Manual

i

Introduction

Thank you for purchasing a StarTech.com 4 Port StarView DVI USB KVM Switch. This
product oers a cost-eective way to operate up to four computers or servers from a
single keyboard, monitor and mouse peripheral set, while saving valuable deskspace.
Featuring USB peripheral sharing, audio switching and astounding video resolutions of
up to 1920 x 1200 (@60/70Hz), this is the perfect combination of computer control and
multimedia quality.

Features

• Convenient audio selection and video signal adjustment

• Allows up to four computers to share up to 4 dierent USB peripherals

• Front panel push buttons provide easy computer selection

• Requires no drivers for keyboard or mouse operation

• No software requirements

Before You Begin

System Requirements - Console Side

• 1 x DVI monitor

• 1 x USB keyboard

• 1 x USB Mouse

System Requirements - Computer Side

• 1 x DVI-I (Single Link) Cable

• 1 x USB A-B Cable

Package Contents

• 1 x Instruction Manual

• 1 x DVI USB KVM Switch

• 1 x Rubber Foot Pad Set

• 1 x Power Adapter

Instruction Manual

1

Installation

PC BIOS Notice: The following BIOS setup changes are necessary for PC users but are not
required for Mac users:

1. In STANDARD CMOS, set HALT ON ERROR to ALL BUT KEYBOARD.

2. In PNP AND PCI SETUP, set PNP OS INSTALLED to YES and set the USB
IRQ to ENABLED.

Console Connections

Before installation, please ensure that all devices and computers to be connected to
the KVM Switch have been turned o.

1. Connect the monitor that will be used to the Console DVI port on the rear panel
of SV431DVIUA

2. Connect a USB keyboard and a USB mouse to any two of the Console USB ports as
shown below:

USB Device

Instruction Manual

USB Device

USB Mouse

USB Keyboard

2

Connecting Slave Computers

There are two options for connecting slave computers to SV431DVIUA:

1. a) Using a Male to Male DVI-D (Single Link) cable, connect the computer’s DVI port
to one of the four available PC ports (PC 1, PC 2, PC 3, PC 4) as shown below.

b) Using a USB A-B Cable, connect the USB port that corresponds with the PC port
used in step 1, to the USB port on the corresponding computer, as shown below.

2. Use a 4-in-1 USB, DVI, Audio and Microphone KVM Switch cable, such as
USBDVI4N1A15 to connect each computer to the desired port. For more
information, please see Accessory Products from StarTech.com.

Male to Male DVI

One USB patch cable
for both keyboard and
mouse

Repeat steps 1a and 1b or and 2 to connect the remaining computers to the available
ports. Devices and computers that are connected to SV431DVIUA can now be
turned on.

Instruction Manual

3

Operation

Please note: SV431DVIUA can be used with a VGA connection to controlled (slave)
computers, however an adapter must be used to make the connection (please see
Accessory Products from StarTech.com - DVIVGAMF).

Also note: Analog and digital connections cannot be used concurrently. To
successfully connect SV431DVIUA to the slave computers, all connections must be
either digital or analog.

1

2

1. Online/Selected LEDs
When the LED turns green, the computer connected to the corresponding port is
powered-on. When a computer is selected, its corresponding red LED illuminates.

2. Pushbuttons
Each computer has a button associated with it on the front panel for selection. For
example, to switch to computer 2, press the 2 button.

Auto Scan

Auto Scan automatically scans through computers one at a time, in a xed interval.
Please note: keyboard and mouse are not operable during Auto Scan. To activate
Auto Scan, press down front panel push buttons 3 and 4 simultaneously. The port LED
ashes during Auto Scan. Auto Scan is eective for powered-on computers only. To exit
the Auto Scan mode, just tap any one of the front panel pushbuttons.

Scan Time

This selection sets the scan interval for the Auto Scan feature. The Scan Time options
are 3, 8, 15 and 30 seconds. Please note: Scan Time is automatically set to a default of 3
seconds, in the event that SV431DVIUA loses power. To change the Scan Time interval,
press both front panel buttons 1 and 2 simultaneously. SV431DVIUA will beep 1, 2, 3 or
4 times for scan time of 3, 8, 15 or 30 seconds respectively.

Instruction Manual

4

“FUNC” Button

To adjust the optimal video signal strength corresponding to the length or quality of
DVI cable being used, use the FUNC button in combination with the other front
panel pushbuttons.

1. Press the FUNC button three times. The POWER LED will ash once per second.

2. To adjust equalization of the selected port input video strength, press button 1 once
or twice; SV431DVIUA will beep once (normal) or twice (enhanced) respectively.
To adjust the output current of a selected port, press button 3 once or twice ;
SV431DVIUA will beep once (normal) or twice (enhanced) respectively.
To adjust the output emphasis of the selected port, press button 4 once, twice,
three or four times; SV431DVIUA will beep once (no pre-emphasis), twice (low
preemphasis), three times (medium pre-emphasis), or four times (high pre­emphasis), respectively.

3. Once you have entered the desired settings, press the FUNC button once to save
and exit function settings.

To select the audio signal from any port of 4 connected computers, press the FUNC
button in combination with the other pushbuttons.

1. Press and hold the FUNC button.
If all four green LEDs illuminate: The audio port and the selected COM port are the
same - this is referred to as “tracking mode”.
If just one green LED illuminates (indicating the selected audio port): The audio port
is dierent from the selected computer port - this is referred to as
“non-tracking mode”.

2. While still pressing the FUNC button:
Press the button that corresponds numerically with the desired audio port. e.g if
you wish to select the signal from port 3, press the 3 button while still holding the
“FUNC” button.

or

Press buttons 1 and 2 to enter tracking mode.

3. Once you have entered the desired settings, press the FUNC button once to save
and exit function settings

Instruction Manual

5

Rack Mount Kit (Optional)

The gure below shows how to attach optional mounting brackets and cable support
(SV431RACK) to SV431DVIUA for use with a standard 19” rack cabinet:

To Rack Cabinet Back Post

To Rack Cabinet
Back Post

USB or monitor
cables to a
computer

USB to monitor cables to
the switch

Two screws
secure the
cable support

Instruction Manual

6

Troubleshooting

Symptom Causes Solution

Keyboard or mouse does

not work

Newly installed USB device

does not work

Computer hangs while

switching computers

Auto Scan does not switch

PC automatically and

SV431DVIUA beeps

Poor video resolution Improper video settings

In Auto Scan mode, the

keyboard and mouse

are not operable.

Improper device driver

Device consumes too

much power.

Improper device

initialization

Device initialization

takes too much time

All PCs are o or only

one PC is turned on.
Scan mode works for
power-on computers

only.

Press any front panel

button to select a

computer, then use the

keyboard and mouse.

Re-install device driver.

The device should be

self-powered; add a

power adapter to the

device.

Be sure the USB cable

is well seated to ensure

communication

Wait at least 5

seconds before

computer switching

to ensure proper USB

communication.

Turn o device

driver (not keyboard

nor mouse) before

switching.

Turn computers on.

To adjust the optimal

video signal strength

corresponding to the

length or quality of DVI

cable, press the FUNC

button combined with

the other buttons.

Instruction Manual

7

Specications

No. of computer supported 4

Front Panel Push Button 5

Hot Plug-and-Play support Yes

Automatic Scan Interval 3, 8, 15, 30 seconds

Cable Length (Max) 4.6m(15’) for USB

Computer ON-LINE LED 4

Computer selected LED 4

Monitor Type DVI

Computer peripheral connector

Monitor

Console peripheral connector Monitor

Weight (g) (oz.)

Dimensions

USB Type B x 4

DVI female x 4

USB Type A x 4

DVI female x 1

900g

31.74oz.

44 x 220 x 130mm

1.7 x 8.7 x 5”

Instruction Manual

8

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
ocers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of prots, 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.

Instruction Manual

9

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