StarTech.com SV231DD2DUA User manual

Manual Revision: 03/29/2011

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

SV231DD2DUA

SV431DD2DUA

Dual DVI USB KVM Switch

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

Packaging Contents ................................................................................................................................1

System Requirements ............................................................................................................................1

Installation............................................................................................................................................................1

Hardware Installation..............................................................................................................................2

Driver Installation......................................................................................................................................4

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

Front Panel ....................................................................................................................................................4

Rear Panel (SV431DD2DUA only)....................................................................................................5

HotKey Control...........................................................................................................................................6

Alternative HotKey Commands .......................................................................................................8

Change Leading HotKey.......................................................................................................................8

Specications.....................................................................................................................................................9

Technical Support...........................................................................................................................................10

Warranty Information....................................................................................................................................10

Instruction Manual 1

Introduction

Packaging Contents

• 1 x SV231DD2DUA or SV431DD2DUA KVM switch

• 1 x Power Adapter

• 1 x Instruction Manual

System Requirements

• DVI enabled computer system/video card

• USB enabled computer system

• DVI enabled display devices (e.g. monitor, projector, TV, etc.)

• A standard 104-key wired USB keyboard

• A 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

Port Selection/Link LED

Port Selection

button

Power LED

Front View (SV431DD2DUA shown)

Rear View (SV431DD2DUA shown)

Console DVI

connector (output)

PCI

connectors

FUNC

button

DC Power

connector

3.5 mm Audio

Speaker/MIC

USB Hub connectors

USB keyboard/

mouse connectors

Instruction Manual 3

1. Plug 1 or 2 monitor(s) into the Console side DVI connector(s); plug a USB keyboard and a

USB mouse into the dedicated USB keyboard and mouse ports on the KVM switch.

2. Use a male-to-male DVI video cable to connect the DVI connector(s) on the computer’s

video card, to one of the KVM’s PC ports (ie. PC1). A dedicated DVI, USB and audio 4-in-1

KVM cable can be used (ie. StarTech.com ID: USBDVI4N1A6).

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).

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.

NOTE: Make sure that you have connected monitor(s) into the Console’s DVI port(s) before

plugging/unplugging the PC’s video connector(s).

* installation pictures are representation only

Instruction Manual 4

Driver Installation

No driver installation is required for the KVM switch, as the keyboard and mouse uses native

USB keyboard/mouse drivers that are already installed on all operating systems that fully

support 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.

Port Selection Button

Pushing the front panel “Select” button toggles between the PC ports on the KVM switch.

Auto Scan

The KVM automatically scans through the powered-on computers in sequence on a xed time

interval (see Scan Time below).

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 push buttons. (SV431DD2DUA only)

NOTE: When Auto Scan detects any keyboard 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, see below.

Scan Time

Four options are available for users to set the Scan Time duration, which includes 3, 8, 15 and 30

seconds.

To change the Scan Time interval, press both front panel buttons “1” and “2” simultaneously. The

unit beeps 1, 2, 3 or 4 times for Scan Time of 3, 8, 15 or 30 seconds respectively. (SV431DD2DUA

only)

NOTE: Scan Time is automatically set to the default of 3 seconds when the units loses power.

Instruction Manual 5

Rear Panel (SV431DD2DUA only)

To adjust the video signal strength/equalization settings for the length or quality of DVI cable

being used, the “FUNC” button combined with the front panel push buttons can be used.

1. Press “FUNC” button three times, and the LED for “POWER” will start to ash once per

second.

2. Press front panel push button “1” one or two times to adjust the signal equalization with

one beep (normal) or two beeps (enhance) respectively.

Press front panel push button “3” one or two times to adjust the video signal output

current with one beep (normal) or two beeps (enhance) respectively.

Press front panel push button “4” one, two, three, or four times to adjust the output

emphasis with one beep (no pre-emphasis), two beeps (low pre-emphasis), three beeps

(medium pre-emphasis), or four beeps (high pre-emphasis).

3. Once the settings have been adjusted, press the“FUNC” button one time to exit this

mode.

Instruction Manual 6

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 high-pitch beep will be generated for each

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.

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).

To start Auto Scan:

Left <CTRL> + Left <CTRL> + <F1>

To abort the Auto Scan mode, press the left <CTRL> key twice.

NOTE: When Auto Scan detects any keyboard 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, see below.

Manual Scan allows users to manually 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.

Instruction Manual 7

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.

To adjust Scan Rate, set the scan time of duration before switching to the next computer:

Left <CTRL> + Left <CTRL> + <F3>

The KVM Switch generates 1 to 4 beeps indicating a scan time duration for 3, 8, 15 or 30 seconds

respectively.

USB-Port Rule

There are two settings for USB-Port Rule: ON or OFF. When set to ‘ON’, the USB Hub port follows

computer selection. When set to‘OFF’, the USB Hub port stays on the currently selected PC port.

SV231DD2DUA: press the hotkey below to turn ON/OFF the USB-Port Rule for USB 1 and USB 2:

Left <CTRL> + Left <CTRL> + <F7>

SV431DD2DUA:

USB 1: press the hotkey below to turn ON/OFF the USB-Port Rule:

Left <CTRL> + Left <CTRL> + <F7>

USB 2: press the hotkey below to turn ON/OFF the USB-Port Rule:

Left <CTRL> + Left <CTRL> + <F8>

To change the PC port that the USB hub stays on to the currently selected PC port, press the

following hotkey:

Left <CTRL> + Left <CTRL> + <U>

NOTE: Please make sure that installation of the USB device has been accomplished before

switching to the next computer.

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