VGA over Cat5 UTP Extender

- 8 Port

ST1218T

FCC Compliance Statement

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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.

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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

Features ......................................................................................1

Package Contents .......................................................................1

Product Description ...................................................................... 2

VGA Cat5 Extender .....................................................................2

Front Panel ..................................................................................2

Rear Panel ...................................................................................2

Cat5 Cable ...................................................................................... 3

Operation ........................................................................................ 4

LED..............................................................................................4

Equalizer Selector .......................................................................4

Specifications ................................................................................ 5

VGA Cat5 Extender .....................................................................5

Troubleshooting ............................................................................. 6

Technical Support ......................................................................... 7

Warranty Information .................................................................... 7 i

Instruction Manual

Introduction

Thank you for purchasing a StarTech.com ST1218T VGA over Cat5

UTP Extender - 8 Port. The Converge A/V VGA over Cat5 video extender allows you to connect up to eight remote displays directly from one source. The video signal is sent to remote monitors over standard

Cat5 UTP cable using RJ45 connectors and supports distances of up to 150m / 500ft. The ST1218T requires the ST121R remote receivers or the ST121EXT repeaters to connect additional displays in between the transmitter (ST1218T) and receiver (ST121R).

Allow Converge A/V to provide you with digital signage solutions. Applications include airports, bus depots, retail, or any large buildings where video needs to be delivered at long distances.

Features

•฀ Consists of 1 Base unit for distributing 8 ports through Cat5 and two

VGA ports for local displays.

•฀ Extends video cables by up to 500 ft. (150m)

•฀ Provides crystal clear picture quality

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Pure hardware design, no software or drivers required and easy to

install

•฀ Supports VGA, SVGA, and Multisync monitors

•฀ Use repeaters along your path to connect additional displays or using a

receiver to connect directly to a remote display

Package Contents

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1 x 9VDC 500mA Adapter

•฀ 1 x Instruction Manual

•฀ 1 x Local Unit 4 Port VGA Extender

1

Product Description

VGA Cat5 Extender

Front Panel

Instruction Manual

Rear Panel

Cat5 Output to a Remote Unit

Cat5 Output to a Remote Unit

DC 9V

Power

Input

VGA Input (from a

VGA source)

VGA Output to a Monitor

2

Instruction Manual

Cat5 Cable

The Extender Pair requires an unshielded twisted pair Cat5 cable no longer than 150m (500ft.).

The cable must be wired according to the EIA/TIA 568B industry standard as shown below.

4

5

6

7

8

2

3

Pin Wire Color

1 White/Orange

Orange

White/Green

Blue

White/Blue

Green

White/Brown

Brown

1

1

3

4

4

2

3

Pair

2

NOTE: Cat5, Cat5e, or Cat6 cables can also be used with the extender pair.

The above diagram shows the RJ45 connector of a Cat5 cable with its metal contacts facing up.

3

Instruction Manual

Operation

LED

There are two LEDs on the Local unit. The POWER LED will illuminate indicating that the unit is properly powered. The ACTIVE LED illuminates when there are VGA input signals present.

The POWER LED of the Remote unit also illuminates indicating that the unit is properly powered. Its ACTIVE LED illuminates when VGA signals are properly decoded for the two local HDB15 VGA ports.

Equalizer Selector

The Equalizer Selector on the Remote unit can be adjusted to obtain the optimum video signal for various cable lengths. There are four segments of various lenghts on the selector, indicating cables of different lengths.

The following table can be used as a reference for selecting the Equalizer: meters

Cat5 Cable Length feet

0 ~ 40

40 ~ 80

0 ~ 131

131 ~ 262

80 ~ 120

120 ~ 160

262 ~ 394

394 ~ 525

Equalizer

Position

4

Instruction Manual

Specifications

VGA Cat5 Extender

VGA Cat5 Extender

Purpose

RJ45, Cat5

Connector

Cable Between Units

Max. Distance

VGA Input Port

VGA Output Port

Equalizer Selector

Status Indicator

Operating Voltage

ST1218T

Local Unit for VGA Source

Extension Output for VGA x 8

Cat5, Cat5e, and Cat6

150 Meters

HDB15 (male) x 1

HDB15 (female) x 2

N/A

Power (green) x 1, Active (yellow) x 1

9V DC 600 mA

5

Instruction Manual

Troubleshooting

Symptom Solution

No VGA signals at the Remote unit Both units must be powered.

The ACTIVE LED on the Local unit and the Remote unit must illuminate to indicate the proper transmission of the signal.

VGA signal is garbled Ensure that the cables being used are wired according to the EIA568A or EIA568B standard.

ACTIVE LED at the Remote unit is always off.

VGA quality changes with the use of different Cat5 Cables.

The ACTIVE LED of the Local unit must be on. Check the wiring of the

Cat5 cable.

Ensure that eh POWER LED of the

Remote unit is on.

Use the equalizer selector to adjust the VGA signal for various cable lengths and characteristics.

6

Instruction Manual

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.

7

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