StarTech ST121R User Manual

ST121EXT

Instruction Manual

VGA Video Extender

4-Port VGA over Cat5 Transmitter

VGA over Cat5 Receiver

VGA over Cat5 Extender

ST1214T

ST121R

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.

Table of Contents

Introduction ..................................................................... 1

Packaging Contents.....................................................................1

System Requirements .................................................................1

ST1214T ......................................................................................2

ST121R .......................................................................................2

ST121EXT ...................................................................................3

Installation ....................................................................... 4

Hardware Installation ...................................................................4

Driver Installation .........................................................................7

Operation ......................................................................... 7

Signal Equalizer Selector (ST121R, ST121EXT) ........................ 8

Wiring Diagram ............................................................... 8

Specifications .................................................................. 9

Technical Support ........................................................... 10

Warranty Information ...................................................... 10

i

Introduction

The StarTech.com Converge A/V VGA over Cat5 Video Extender
system is comprised of a transmitter unit (ST1214T) 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 separate remote locations. The VGA signal is
extended using standard Cat5 UTP cable, with a maximum distance of
up to 150m (492ft) or 300m (984ft) with a repeater.

Packaging Contents

1 x ST1214T Transmitter Unit •
or
1 x ST121R Receiver Unit
or
1 x ST121EXT Extender Unit

1 x Universal Power Adapter•

1 x Mounting Bracket kit (ST121R and ST121EXT 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)•

1

ST1214T

Power

Connector

RJ45

output

ST121R

VGA input

(male)

Power

Connector

VGA output

(female)

Signal Equalizer

RJ45

output

VGA output

(female)

2

RJ45

output

switch