StarTech.com ST121EXT User Manual
VGA Video Extender
ST1214T
ST1218T
ST121EXT / ST121EXTGB / ST121EXTEU
ST121R / ST121RGB / ST121REU
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
*ST121R shown
*actual product may vary from photos
For the most up-to-date information, please visit: www.startech.com
Manual Revision: 11/28/2011
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.
Table of Contents
Introduction ............................................................................................................. 1
Packaging Contents ................................................................................................................................1
System Requirements ............................................................................................................................1
ST1214T ...........................................................................................................................................................2
ST121R / ST121RGB /ST121REU ......................................................................................................2
ST121EXT / ST121EXTGB / ST121EXTEU......................................................................................3
ST1218T ...........................................................................................................................................................3
Installation ................................................................................................................ 4
Hardware Installation ..............................................................................................................................4
Driver Installation ......................................................................................................................................7
Operation .................................................................................................................. 8
Signal Equalizer Selector (ST121R, ST121EXT).........................................................................8
Wiring Diagram ........................................................................................................ 8
Specications ...........................................................................................................9
Technical Support ....................................................................................................10
Warranty Information ............................................................................................. 10
Instruction Manual
i
Introduction
The StarTech.com Converge A/V VGA over Cat5 Video Extender system is comprised
of a transmitter unit (ST1214T/ ST1218T) and a receiver unit (ST121R) and optionally a
repeater unit (ST121EXT). This video extender system allows you to split and extend a
single VGA source signal to up to four or eight separate remote locations. The VGA signal
is extended using standard Cat5 UTP cable, with a maximum distance of up to 150m
(492ft) or 250m (820ft) with a repeater.
Packaging Contents
• 1 x 4-port Transmitter Unit (ST1214T)
or
1 x 8-port Transmitter Unit (ST1218T)
or
1 x Receiver Unit (ST121R/ GB/ EU)
or
1 x Extender (Repeater) Unit (ST121EXT/ GB/ EU)
• 1 x Universal Power Adapter (ST1214T/ ST1218T only)
or
1 x Standard Power Adapter (NA or UK or EU plug)
• 1 x Mounting Bracket kit (ST121R/ GB/ EU and ST121EXT/ GB/ EU only)
• 1 x Instruction Manual
System Requirements
• VGA enabled video source and display
• Available power outlet at local and remote locations
• Both a Transmitter Unit and Receiver Unit(s)
Instruction Manual
1
ST1214T
Power
connector
VGA input
(male)
ST121R / ST121RGB /ST121REU
RJ45
Power
connector
input
RJ45
output
Signal Equalizer
VGA output
(female)
switch
RJ45
output
Instruction Manual
VGA output
(female)
2
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