StarTechcom Switch SV431DVIUAHR User Manual

4 Port Dual Link DVI USB KVM  
Switch with Audio  
SV431DVIUAHR  
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Instruction Manual  
Table of Contents  
Introduction ................................................................................... 1  
Features ......................................................................................1  
Package Contents .......................................................................1  
System Requirements................................................................... 2  
Console Side...............................................................................2  
Computer Side.............................................................................2  
Installation...................................................................................... 3  
PC BIOS Notice ..........................................................................3  
Computer Connection..................................................................4  
Operation........................................................................................ 4  
Front Panel ..................................................................................4  
Auto Scan ...................................................................................5  
Scan Time ..................................................................................5  
Rack Mount Kit for SV431DVIUAHR (Optional)........................... 8  
Specifications ................................................................................ 9  
Troubleshooting............................................................................. 10  
Technical Support ......................................................................... 12  
Warranty Information .................................................................... 12  
i
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Instruction Manual  
Introduction  
Thank you for purchasing a StarTech.com 4 Port Dual Link DVI USB KVM  
Switch. Offering convenient sharing of up to four directly connected com-  
puters as well as USB peripheral switching between computers, SV431D-  
VIUAHR connects to a DVI capable display to create the ideal switching  
solution for a broad range of multimedia environments, including SOHO  
(Small Office Home Office), HTPC applications etc.  
Features  
All metal chassis for long-term durability  
Compatible with all USB supported Operating Systems  
Designed for high-resolution applications: supports up to a resolution of  
2560x1600  
Front panel push button computer selection  
Integrated USB 2.0 hub allows you to share up to three high-speed  
USB devices between computers  
USB self-power operation  
Package Contents  
1 x SV431DVIUAHR  
1 x User manual  
1 x Rubber Foot Pad  
1 x Power Adapter  
1
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Instruction Manual  
System Requirements  
Console Side  
One DVI monitor  
One USB keyboard  
One USB mouse  
One 3.5mm microphone (optional)  
One 3.5mm audio output device (optional)  
Computer Side  
One DVI cable per computer  
One USB A-B cable with Type-A and Type-B plug for USB devices  
Please Note: In place of using individual cables, StarTech.com offers a 6  
ft. 4-in-1 USB, DVI, Audio, and Microphone KVM Switch Cable (USBDVI-  
4N1A6) that can fulfill the functions of both cables in one convenient unit.  
2
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Instruction Manual  
Installation  
PC BIOS Notice  
The following BIOS setup changes may be necessary for PC 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  
USB IRQ to ENABLED.  
Please Note: The SV431DVIUAHR provides USB keyboard and mouse  
switching from one computer to the other. If you plan to share other pe-  
ripherals, such as a CCD camera, printer or scanner, it is required to shut  
down the computer driver before switching to another computer.  
Console Connection  
Before installation, ensure that all devices and computers to be connect-  
ed to the SV431DVIUAHR are powered off.  
1. Connect a DVI-capable monitor to the Console’s DVI port.  
2. Plug a USB keyboard and a USB mouse to any two of the Console’s  
USB ports as shown below.  
USB Device  
USB Device  
USB Keyboard  
USB Mouse  
3
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Computer Connection  
1. Use a male-to-male cable to connect from a computer’s DVI port to  
SV431DVIUAHR’s DVI port of PC side, as shown below.  
2. Use a USB A-B Cable to connect from the SV431DVIUAHR’s USB port  
(B connector, square connector) to the USB port on the corresponding  
computer (A connector, flat connector), as shown below.  
Male-to-Male  
for Video  
One USB patch cable  
for both keyboard  
and mouse.  
Operation  
Front Panel  
1. On-line LED & Selected LED  
When the LED turns green, the connected computer 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.  
4
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Instruction Manual  
Auto Scan  
Auto Scan automatically scans through the connected computers one by  
one in a fixed interval (see Scan Time below).  
Please Note: The keyboard and mouse are inoperable during Auto Scan.  
Scan Time  
Scan time sets the interval at which connected computers will be  
scanned. The Scan Time options are 3, 8, 15 and 30 seconds.  
Please Note: Scan Time is automatically set to 3 seconds (default) when  
the SV431DVIUAHR loses power.  
To activate Auto Scan, hold down front panel push buttons “3” and “4”  
simultaneously. The port LED flashes during Auto Scan. Auto Scan is  
effective for powered-on computers only. To exit Auto Scan mode, simply  
tap any one of the pushbuttons.  
To change the Scan Time interval, press hold front panel buttons “1” and  
“2” simultaneously. The SV431DVIUAHR will beep 1, 2, 3 or 4 times for  
Scan Time of 3, 8, 15 or 30 seconds respectively.  
5
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Instruction Manual  
“FUNC” Button  
To ensure optimal video signal strength corresponding to the length or  
quality of the DVI cable being used, the user can press the “FUNC” button  
in combination with the other pushbuttons.  
Step 1.  
Press the “FUNC” button three times. The “FUNC” LED will flash one time  
per second.  
Step 2.  
Press “1” once or twice to adjust the equalization of the selected port  
input video strength. One beep will sound to indicate normal operation or  
two beeps to indicate enhanced mode.  
or  
Press pushbutton “3” once or twice to adjust the output current of  
selected port. One beep will sound to indicate normal operation or two  
beeps to indicate enhanced mode.  
or  
Press pushbutton “4” one, two, three or four times to adjust the output  
emphasis of the selected port, with one beep (no pre-emphasis), two  
beeps (low pre-emphasis), three beeps (medium pre-emphasis), or four  
beeps (high pre-emphasis).  
Step 3.  
Once the desired settings are complete, press the “FUNC” button once to  
exit the settings mode.  
6
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Instruction Manual  
To select the audio signal from any port of 4 connected computers, the  
user can press “FUNC” button in combination with the other pushbuttons.  
Step 1.  
Press and hold the “FUNC” button. Either all 4 green LEDs will illumi-  
nate or just one green LED. If all four LEDs illuminate, the audio port is  
operating on the same channel as the selected computer. This is known  
as “tracking mode.If just one green LED (the selected audio port) is  
illuminated, the audio port is not on the same channel as the selected  
computer (referred to as “non-tracking mode.”  
Step 2.  
While the “FUNC” button is being held down, press the pushbutton that  
corresponds with the audio port you wish to select.  
or  
While the “FUNC” button is being held down, press and hold “1” AND “2”  
to enter tracking mode.  
Step 3.  
Once the desired setting changes have been made, release “FUNC” but-  
ton to exit the settings mode.  
7
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Instruction Manual  
Rack Mount Kit for SV431DVIUAHR (Optional)  
The figure below shows how to attach optional mounting brackets and  
cable support (SV431RACK) to the SV431DVIUAHR for installation in a  
standard 19-inch rack cabinet.  
To the rack  
cabinet  
back post  
To the rack  
cabinet  
back post  
USB or monitor  
cables to the switch  
Two screws secure  
the cable support  
USB or monitor cables  
to the computer  
8
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Instruction Manual  
Specifications  
Specification  
SV431DVIUAHR  
No. of computers supported  
Front Panel Push Buttons  
Front Panel Func Buttons  
Hot plug-and-play  
4
4
1
Yes  
Automatic Scan Interval  
Cable Length (Max)  
3, 8, 15, 30 seconds  
4.6M(15ft) for USB  
Computer ON-LINE LED  
Computer selected LED  
Monitor Type  
4
4
DVI  
Peripheral Connectors per Host  
USB Type B x 1  
DVI female x 1  
Monitor  
Audio  
3.5mm Microphone x 1  
3.5mm Speaker x 1  
Console Peripheral Connectors  
USB Type A x 4  
DVI female x 1  
Monitor  
Audio  
3.5mm Microphone x 1  
3.5mm Speaker x 1  
Weight (g)  
(oz.)  
1750  
61.72  
H x W x D (mm)  
44 x 220 x 130  
1.7 x 8.7 x 5.1  
Compact  
(in.)  
size  
9
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Instruction Manual  
Troubleshooting  
Ensure that all cables are properly connected. Label the cable for each  
computer to avoid confusion when connected to the SV431DVIUAHR.  
Symptom  
Causes  
Solution  
The keyboard or mouse In Auto Scan, keyboard Press any front button  
does not work  
and mouse are  
inoperable.  
to select a computer,  
then use the keyboard  
and mouse.  
Too many keyboards or  
mouse drivers installed. Remove ALL  
unnecessary keyboard  
and mouse drivers.  
A newly installed USB  
device does not work.  
Improper device driver. Re-install device driver.  
Device consumes too  
much power.  
The device should be  
self-powered. Add a  
power adapter to the  
device.  
Device consumes  
too much power  
instantaneously.  
If the device does  
not provide a power  
jack, add a power  
adapter with DC5V  
of less than 1A to the  
SV431DVIUAHR.  
The device was not  
initialized properly.  
When SV431DVIUAHR  
works under self-power,  
(no added power  
supply) it supports max  
of 100mA as per USB  
spec.  
Ensure that the USB  
cable is well connected.  
Remove all power  
sources from the  
SV431DVIUAHR by  
unplugging all USB A-B  
cables and the power  
adapter, then restart.  
Select the computer  
by pushbutton, restart  
the computer then try  
again.  
10  
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Instruction Manual  
Symptom  
Causes  
Solution  
Computer hangs  
up while switching  
computers.  
Device initialization  
takes too much time.  
Wait at least 5  
seconds before  
computer switching to  
ensure proper USB  
communication.  
Turn off the device  
driver (not keyboard  
or mouse) before  
computer switching.  
Auto Scan does  
not switch PCs  
automatically and  
the SV431DVIUAHR  
beeps.  
All PCs are off or only  
one PC is turned on.  
Scan mode works for  
computers only if they  
are powered on.  
Turn computers on.  
DVI Dual Link doesn’t  
work.  
Either the computer  
or monitor does not  
support the DVI Dual  
Link mode.  
Ensure that the  
computer or the  
monitor being used  
support the DVI Dual  
Link mode.  
The resolution is poor.  
Improper  
To adjust the optimal  
SV431DVIUAHR video video signal strength  
settings.  
corresponding to the  
length or quality of the  
DVI cable, the user can  
press “FUNC” button  
combing with the other  
pushbuttons. Please  
see more details on  
pages 6 and 7.  
11  
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Instruction Manual  
Technical Support  
StarTech.com’s lifetime technical support is an integral part of our commit-  
ment to provide industry-leading solutions. If you ever need help with your  
selection of online tools, documentation, and downloads.  
Warranty Information  
This product is backed by a three year warranty. In addition, StarTech.  
com warrants its products against defects in materials and workman-  
ship 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 officers, directors, employees or agents) for any damages  
(whether direct or indirect, special, punitive, incidental, consequential, or  
otherwise), loss of profits, 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.  
12  
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StarTech.com has been making “hard-to-find easy” since 1985,  
providing high quality solutions to a diverse IT and A/V customer  
base that spans many channels, including government, education  
and industrial facilities to name just a few. We offer an unmatched  
selection of computer parts, cables, A/V products, KVM and Serv-  
er Management solutions, serving a worldwide market through our  
locations in the United States, Canada, the United Kingdom and  
Taiwan.  
Visit www.startech.com today for complete information about all  
our products and to access exclusive interactive tools such as the  
Cable Finder, Parts Finder and the KVM Reference Guide.  
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