Table of Contents
StarTech.com SV231TDVIUA User Manual
Displayed below is the user manual for SV231TDVIUA by StarTech.com which is a product in the KVM Switches category. This manual has pages.
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Manual Revision: 05/01/2014
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SV231TDVIUA
SV431TDVIUA
2/ 4 Port Triple Monitor DVI USB KVM Switch
with Audio and USB 2.0 Hub
*SV431TDVIUA shown
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 dierent 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
Front View .................................................................................................................................................... 2
Rear View ...................................................................................................................................................... 2
Installation ..............................................................................................3
Hardware Installation ..............................................................................................................................3
Driver Installation ...................................................................................................................................... 4
Operation ................................................................................................4
Front Panel ................................................................................................................................................... 4
Hotkey Control ........................................................................................................................................... 5
Alternative Hotkey Commands ............................................................................................................8
Change Leading Hotkey ......................................................................................................................... 9
Specications .......................................................................................... 10
Technical Support ..................................................................................11
Warranty Information ............................................................................ 11
Instruction Manual
1
Introduction
The 2/ 4-Port Triple Monitor DVI USB KVM Switch allows 2 or 4 PCs, each with 3 DVI
video outputs, to share monitors, 1 microphone and set of speakers, 1 keyboard and
1 mouse as well as an additional USB 2.0 peripheral such as an external hard drive,
thumb drive, printer, or webcam.
The Triple DVI KVM switch allows you to switch back and forth between multi DVI
PCs at the touch of a button, while maintaining professional-level video quality
on all monitors at resolutions up to 1920x1200. The triple DVI switch also features
an integrated USB hub port that allows USB 2.0 peripherals to be shared between
attached systems - eliminating duplicate peripheral costs, and oering the
convenience of sharing stored data between PCs.
Packaging Contents
• 1 x Triple Display KVM Switch
• 4 x Rubber Foot Pads
• 1 x Universal Power Adapter (NA/ UK/ EU)
• 1 x Instruction Manual
System Requirements
• Up to three DVI enabled display devices (i.e. monitor, projector, TV, etc.)
• DVI male/ male cable for each display
• A DVI output for each DVI display device for each computer
• DVI/ USB KVM cable for each computer
• Additional DVI cable(s) for each additional display beyond the rst
• USB enabled computer system with available USB port
• Standard 104-key wired USB keyboard
• Standard 3-button wired USB mouse
Instruction Manual
2
Front View
Rear View
Computer connectors
(PC1)
Console DVI-I connectors
(Output)
USB 2.0 Hub
Console USB keyboard/
mouse port
3.5mm Audio
(headphone/mic)
DC Power
connector
Power LED
Port Link/ Selection
LED Port Selection
Button
Function
Button
*SV431TDVIUA shown
*SV431TDVIUA shown
Instruction Manual
3
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’.
• Under ‘PNP AND PCI SETUP’, set the option ‘PNP OS INSTALLED’ to YES and set
‘USB IRQ’ to ENABLED.
• Dierent systems may use dierent naming, so contact your system manufacturer
for further assistance with these settings.
Hardware Installation
1. Connect up to three monitor(s) into the Console’s DVI connectors; 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 with 3.5mm mini-jack plugs.
2. Use male-to-male DVI video cable(s) to connect the DVI connector(s) on the
computer’s video card, to the DVI ports for one of the KVM’s PC ports (i.e. PC1).
NOTE: Do not mix dierent types of DVI cables (DVI-I, DVI-D) on the same KVM.
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
sound card.
NOTE: DVI + USB + Audio KVM combo cables are also available which can be used in
place of separate individual cables (e.g. StarTech.com ID: DVI4N1USB6).
4. Repeat 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 peripheral you wish to share between the
connected computers/devices to the extra USB Hub port 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.
7. Power up the rst computer/device and wait for it to fully boot and test keyboard/
mouse functionality.
Instruction Manual
4
8. Once operation has been successfully conrmed, switch to the next port and power
up that computer/device and conrm.
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/mouse use USB
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.
Port Selection Button
For 2 Port model, each push of the Selection Button on the front of the KVM switch
will immediately switch between the two ports on the KVM switch.
For 4 Port model, each push of the Selection Button on the front of the KVM switch
will immediately switch to the selected computer.
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 eective for powered-on computers only. To exit the Auto Scan mode, just
tap any one of the push buttons. (4 port model 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. (4 port model only)
NOTE: Scan Time is automatically set to the default of 3 seconds when the units loses power.
Instruction Manual
5
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.
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. 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 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
6
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 Time, 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.
Adjust Video Signal (for 4 port model only)
The video signal can be optimized to the length or quality of your DVI cable. Only
perform this operation if you are experiencing video quality issues.
Step 1. Press the “FUNC” button 3 times. The “POWER” LED will start ashing.
Step 2. The settings are adjusted by pressing the numbered buttons on the front of the KVM.
A) Button “1” Adjusts the EQUALIZATION of the video source. 1 Beep is normal, 2
beeps is enhanced.
B) Button “3” Adjusts the output CURRENT of the video source. 1 Beep is normal,
2 beeps is enhanced.
C) Button “4” Adjusts the AMPLIFICATION of the video source. 1 Beep is normal,
2 beeps is low, 3 beeps is medium, 4 beeps is high.
Step 3. Press the same “FUNC” button from Step 1 to exit.
Instruction Manual
7
Audio Lock
There are two options for Audio Lock: ON and OFF. When ON, audio selection follows
computer selection. When OFF, audio selection stops following computer selection.
It is useful if you want to listen to a particular computer’s audio signal while operating
other computers.
Left <CTRL> + Left <CTRL> + <F5>
The KVM switch beeps once or twice corresponding to ON and OFF respectively.
To change which computer port the audio stays on to the currently selected port,
press the following hotkey:
Left <CTRL> + Left <CTRL> + <A>
Instruction Manual
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Alternative Hotkey Commands
In addition to the Left <CTRL> + Left <CTRL> hotkeys, there are two alternative hotkey
sequences available.
1. For the following operations, users may press <ScrollLock> twice instead of pressing
left <CTRL> twice.
To select a computer:
<ScrollLock> + <ScrollLock> + <1>
(Example: Select the computer at port 1.)
<ScrollLock> + <ScrollLock> + <2>
(Example: Select the computer at port 2.)
NOTE: Do not use the keypad at the right of the keyboard.
2. For those keyboards that do not have or support <ScrollLock>, please press and
HOLD the Left <SHIFT> and press <NumLock> twice instead of pressing Left
<CTRL> twice.
To select a computer:
Hold Left <SHIFT> + Press <NumLock> + Press <NumLock>
then release <SHIFT> + Press <1>
(Example: Select the computer at port 1.)
Hold Left <SHIFT> + Press <NumLock> + Press <NumLock>
then release <SHIFT> + Press <2>
(Example: Select the computer at port 2.)
NOTE: Do not use the keypad at the right of the keyboard.
Instruction Manual
9
Change Leading Hotkey
The default leading hotkey sequence involves pressing the left <CTRL> twice in
succession (e.g. left <CTRL> + left <CTRL>). This can be changed to the right <CTRL>
key instead, to avoid accidental activation due to using the left <CTRL> key for
functions such as Copy/Paste.
To change the leading hotkey sequence to Right <CTRL>:
Left <CTRL> + Left <CTRL> + hold <ALT> + press Right <CTRL>
All hotkey commands that previously required pressing the Left <CTRL> will be
switched to requiring the right <CTRL> instead.
To change the leading hotkey sequence back to Left <CTRL>:
Right <CTRL> + Right <CTRL> + hold <ALT> + press Left <CTRL>
Instruction Manual
10
Specications
SV231TDVIUA SV431TDVIUA
Number of Ports 2 4
Console Connectors
3 x 19-pin DVI-I female
4 x USB type A female
2 x 3.5mm Audio female
Computer Connectors
(per port)
3 x 19-pin DVI-I female
1 x USB type B female
2 x 3.5mm Audio female
LEDs 2 x Computer Link/
Selection
1 x Power
4 x Computer Link/
Selection
Switching Modes Push button, Hot-key
Maximum Video Resolution 1920x1200
DDC2B Support Yes
Audio Support Yes (headphone/ mic)
On Screen Display No
Cascadable No
Power Adapter 12V DC, 1500mA, center positive, type M plug
Enclosure Material Metal
Operating Temperature 0°C ~ 40°C (32°F ~ 104°F)
Storage Temperature -10°C ~ 60°C (14°F ~ 140°F)
Humidity 0% ~ 80% RH
Dimensions (WxDxH) 159.0mm x 100.0mm x
74.0mm
219.0mm x 130.0mm x
81.0mm
Weight 900g 1500g
Instruction Manual
11
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
ocers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of prots, 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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