2 Port High Resolution VGA Video
Splitter with Audio 400 MHz
ST122PROA
ST122PROAGB
*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: 02/22/2012
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 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
Table of Contents
Introduction ............................................................................................ 1
Packaging Contents ................................................................................................................................. 1
System Requirements ..............................................................................................................................1
Installation ..............................................................................................2
Software Installation ................................................................................................................................ 3
Conguration Diagram ........................................................................................................................... 4
Operation ................................................................................................5
Front Panel Pushbuttons ........................................................................................................................5
Keyboard Hotkeys .....................................................................................................................................5
KVM Switcher Software ...........................................................................................................................6
Specications .......................................................................................... 9
Technical Support ..................................................................................10
Warranty Information ............................................................................ 10
Instruction Manual
i
Introduction
Thank you for purchasing a StarTech.com video and audio splitter. Now you’ll be able
to broadcast the audio and video signals from one PC over multiple sound systems and
monitors. The built-in video ampliers let you place your monitors up to 210 ft (65m)
away and still experience crystal-clear video signals with resolution up to 2048 x 1536
pixels. These switches are also daisy-chainable for future expansion and are compatible
with a wide range of monitors.
Features
• Allows one computer to provide simultaneous displays on two (ST122PROA)
dierent monitors with audio support
• Works with VGA, SVGA, XGA, QXGA, UXGA and Multisync monitors
• Provides a high video bandwidth (400 Mhz) for crystal clear 2048 x 1536 resolution
• Daisy chainable for almost unlimited expansion
• Uses a built-in video signal amplier which allows a cable length of up to 210 ft (65m)
• Uses standard monitor extension cables (StarTech.com coaxial VGA cables
recommended for best picture quality)
• Compatible with DDC, DDC2 & DDC2B (on Video Out port 1)
System Requirements
• Computer with a HD-15 video port and a mini-stereo audio port
• VGA, SVGA, XGA, QXGA, UXGA or Multisync monitors with HD-15 connectors
• HD-15 monitor cables (like StarTech.com’s coaxial high-resolution video cables)
• Speakers or earphones with mini-stereo plugs
• Mini-stereo audio cables
Package Contents
• 1x 2 Port VGA Splitter
• 1x Power Adapter
• 1x Instruction Manual
Instruction Manual
1
Installation
This section will guide you through the installation of your video splitter. Please read
through the instructions carefully and complete each step in the order listed.
Note: If you are connecting the switch to a DDC monitor, the other monitors you
connect to the switch must be of the same resolution as the DDC monitor. The DDC
monitor must be plugged into Video Out port number 1.
1. Make sure that your computer and monitors are turned o.
2. Using an HD-15 video cable, connect your computer’s Video Out port to the Video In
port on the back of the switch.
3. Using a 3.5” audio cable, connect your computer’s Audio Out port to the Audio In
port on the back of the switch.
4. Plug your monitors (using either the built-in cables connected to your monitors or the
extension cables to your monitors) into the Video Out ports on the back of the switch.
5. Plug your speakers/headphones (using either the speakers/headphones themselves
or the extension cables connected to them) into the Audio Out ports on the back of
the switch.
6. Plug the power adapter into the AC power port on the back of the switch. Plug the
other end of the adapter into an available power source. The green Power LED on
the front will now be lit.
Cascade Conguration
Connect an HD-15 male-male cable between a Video Out port of the primary splitter
(the splitter connected to the computer) and the Video In port on the cascaded splitter.
Do the same with the audio ports.
Note: Adding too many layers of splitters may cause a decline in video and audio quality.
Instruction Manual
2
Input/Output Signal
Pin Signal
1 Red Video
2 Green Video
3 Blue Video
4 ID2
5 Ground
6 Analog Ground
7 Analog Ground
8 Analog Ground
9 NC
10 Ground
11 ID0
12 ID1
13 Horizontal Sync
14 Vertical Sync
15 ID3
Instruction Manual
3
Specications
Signal Type XGA, VGA, SVGA, QXGA, UXGA & Multisync
Cable Length 210ft (65m) Maximum
Input Connectors
Output Connectors
VGA Bandwidth 400 MHz
VGA Resolution 2046 x 1536 @ 60Hz
Dimensions
(W x D x H)
Power ST122PROA: DC 12V / 600Ma
Certications FCC, CE
1 x HDDB15 (Female)
1 x 3.5mm Audio Jack (Female)
ST122PROA: 2x HDDB15 (Female)
2x 3.5mm Audio Jack (Female)
ST122PROA: 5.1 x 2.9 x 1.6” (130 x 75 x 42mm)
Instruction Manual
4
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 two 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.
Instruction Manual
5
Hard-to-nd made easy. At StarTech.com, that isn’t a slogan. It’s a promise.
StarTech.com is your one-stop source for every connectivity part you need. From
the latest technology to legacy products — and all the parts that bridge the old and
new — we can help you nd the parts that connect your solutions.
We make it easy to locate the parts, and we quickly deliver them wherever they need
to go. Just talk to one of our tech advisors or visit our website. You’ll be connected to
the products you need in no time.
Visit www.startech.com for complete information on all StarTech.com products and
to access exclusive resources and time-saving tools.
StarTech.com is an ISO 9001 Registered manufacturer of connectivity and technology
parts. StarTech.com was founded in 1985 and has operations in the United States,
Canada, the United Kingdom and Taiwan servicing a worldwide market.
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