StarTech.com ST121UTP User manual

Installation Manual

ST121UTP

Video Extender

Category 5 UTP VGA/Multisync Video Extender

Overview

The ST121UTP Video Extender allows you to extend the distance between the computer

system unit and the display monitor by up to 130 meters (430 feet). This is accomplished

with a local transmitting unit and a remote receiving unit. The St121UTP is ideal for

factory and construction sites, or in any installation where the display needs to reside in

a harsh setting but you want the system equipment kept in an enviromentally friendly

location.

Features

• Extends video cables by up to 130m (430')

• Consists of 1 Base unit for the local display, and 1 Remote unit for the remote display

• Uses standard Category 5 straight-wired, twisted-pair, network patch cable for

economical and reliable data transmission

• Provides crystal clear picture quality

• 212MHz VGA bandwidth allows resolutions of up to 1600x1200 @ 85Hz refresh rate

• Supports VGA, SVGA, and Multisync monitors

• Includes VGA extension cable to connect the Base unit to the computer, and AC

power adapters

• No software required

Specifications

Getting Started

This section is designed to help you prepare the ST121UTP for installation. Please read

through this section carefully before attempting to install the card.

Connectors Input

Output

VGA Resolution

Signal Type

Cable Type

Max. Cable Distance

Weight

Dimensions

High Density DB15 Male

High Density DB15 Female,

RJ45 Female

640x480@60Hz to 130m (430’), 1600x1200@85Hz to 80m (262’)

LEDs Power

VGA, SVGA, Multisync

Category 5 shielded twisted pair (STP)

130m (430’)

240g

119x86x58mm (4.7x3.4x3.1")

235g

Power Consumption

Certifications

AC 9V 130mA (max.)

CE Mark, FCC Part 15

AC 9V 180mA (max.)

Local Unit Remote Unit

RJ45 Female

High Density DB15 Female

Unpacking the ST121UTP

This package should contain:

1 x Remote unit ST121UTP

1 x Local Unit ST121UTP

2 x 9V AC adapter

Installation

1. Make sure that the computer and monitors you are using for the installation are all

powered off.

2. Plug the male end of a male to female VGA extension cable into the computer’s video

output port; plug the female end of the cable into the Local unit’s PC port.

3. Plug the local monitor’s VGA cable into the Local unit’s Monitor port.

4. Plug one end of the power adapters into an AC source; plug the adapter’s power

cable into the Local unit’s AC 9V power jack.

5. Plug one end of the Category 5 twisted pair cable into the Local unit’s Remote I/O

port.

6. Slide the Range Switch to the Long position if the Remote unit is located a long

distance away; slide the switch to the Short position if the Remote unit is located a short

distance away.

8. Plug the remote monitor’s VGA cable into the Remote unit’s Monitor port.

9. Plug the second power adapter into an AC source; plug the adapter’s power cable

into the Remote unit’s AC 9V power jack.

10. Power on the computer and monitors.

Monitor

Long

Short

To Remote Unit

AC 9V

Power

For PC

UTP VGA Video Extender

ST121UTP

Local Unit

Monitor

To Remote Unit

AC 9V

Power

UTP VGA Video Extender

ST121UTP

Remote Unit

Local Unit

1. Range Switch

2. Remote I/O connector

3. AC 9V Power Jack

4. Power LED

5. Monitor connector

6. PC connector

Remote Unit

1. Remote I/O connector

2. AC 9V Power jack

3. Power LED

4. Monitor connector

Troubleshooting

No Video: Make sure that all cables are securely plugged into their sockets.

Technical Details

Cable Length Table

TP Pin Assignment

TP Wiring Diagram

800 x 600

640 x 480

1024 x 768

1280 x 1024

1600 x 1200

130 100

100 80

100

@ 60 Hz @ 75 Hz @ 85 Hz

Resolution Distance (m)

V OUT G

/V OUT G

V OUT R

/V OUT R

/V OUT B

GND

AssignmentPin

V OUT B

12345678

Pair 1

Jack Positions

Pair 2 Pair 4

Pair 3

W-BR BROW-BLBLW-OGW-G

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