StarTech.com ST122DVIA User manual

DVI Video Splitter
2/4-Port DVI Video Splitter
with Audio
ST122DVIA
ST124DVIA
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 off 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 different 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.

i
Table of Contents
Introduction..................................................................... 1
Packaging Contents.....................................................................1
System Requirements .................................................................1
Top View - ST122DVIA ................................................................2
Rear View - ST122DVIA ..............................................................2
Front View - ST124DVIA..............................................................3
Rear View - ST124DVIA ..............................................................3
Installation....................................................................... 4
Hardware Installation...................................................................4
Driver Installation.........................................................................5
Specifications.................................................................. 6
Technical Support........................................................... 7
Warranty Information...................................................... 7

1
Introduction
The StarTech.com DVI Splitter with Audio lets you share one DVI video
and audio source on two (ST122DVIA) or four (ST124DVIA) displays
and also act as a signal amplifier that allows you to locate your DVI
monitors up to 33ft (10m) away. A simple and convenient DVI video
solution that suits virtually any application or operating environment
(classroom, health care, professional A/V, control centres, retail POS
environments), the DVI splitter/distribution amplifier is easy to install
and supports high definition resolutions up to 1080p or 1920x1200 for
computers.
Packaging Contents
1 x ST122DVIA/ST124DVIA video splitter•
1 x Rack Mounting brackets (ST124DVIA only)•
1 x Power Adapter•
1 x Instruction Manual•
System Requirements
DVI enabled video source•
DVI enabled display devices•
Analog stereo audio source with 3.5mm mini-plug interface (optional)•
Analog stereo speakers with 3.5mm mini-plug interface (optional)•

2
Top View - ST122DVIA
Rear View - ST122DVIA
DVI connector
(input)
DVI connector
(output 2)
DVI connector
(output 1)
3.5mm Audio
(input)
3.5mm Audio
(output 2)
3.5mm Audio
(output 1)
Power
connector
Power/Input
signal LED
Output 1
LED
Output 2
LED

3
Front View - ST124DVIA
Rear View - ST124DVIA
3.5mm Audio
output
3.5mm Audio
input
DVI connector
(input)
DVI connector
(output)
Power
Connector
Output Status
LEDs Power/Input
Signal LED

4
Installation
Hardware Installation
Make sure all devices are powered off and unplugged.1.
Connect the DVI video source (i.e. computer, HDTV box, etc.) to2.
the Input connector on the splitter, using a standard male/male DVI
cable. If using audio, also connect a 3.5mm mini-jack audio cable
from the video source to the Input connector on the splitter.
NOTE:3. Use of DVI-D cables is recommended as some DVI video
sources may default to using an analog signal, when a DVI-I cable
is used.
Connect the DVI display device (i.e. monitor, HDTV, projector, etc.)4.
to one of the Output connectors on the splitter, using standard
male/male DVI cables. If using audio, also connect a 3.5mm mini-
jack audio cable from the Output connector to the display device/
speakers.
Repeat for each display device or port on the splitter.5.
ST122DVIA ST124DVIA
Power on the display devices first. At least one display device must6.
be connected to the splitter, before powering it on, to ensure proper
operation.
Connect power to the DVI splitter to power it on. The Power LED will7.
light up green.

5
Power on the video source device. The Power LED should change8.
to blue to indicate it is receiving a good input signal.
Driver Installation
No driver installation is required to use the DVI video splitter, as it is
an external, hardware-only device, that will not be seen by the host
system.

6
Specications
ST122DVIA ST124DVIA
Video Signal DVI-D (digital)
Number of Ports 2 4
Connectors
3 x 24-pin DVI-I
3 x 3.5mm mini-jack
1 x DC Power
5 x 24-pin DVI-I
5 x 3.5mm mini-jack
1 x DC Power
LEDs 1 x Power/Input
2 x Output Link
1 x Power/Input
4 x Output Link
Maximum Video
Resolution 1920x1200@60Hz
Maximum Distance 10m / 33ft
Maximum Video
Bandwidth 350MHz
HDCP Compliant Yes (1.1)
Power Adapter 9VDC, 600mA, center positive
Operating
Temperature 0°C ~ 40°C (32°F ~ 104°F)
Storage Temperature -20°C ~ 60°C (-4°F ~ 140°F)
Humidity 0 ~ 80% RH
Dimensions 181.4mm x 85.2mm
x 20.0mm
220.0mm x
135.0mm x 44.0mm
Weight 600g 1100g

7
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.
Warranty Information
This product is backed by a one 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 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.

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