StarTech.com ST121UTP23GB User manual

Manual Revision: 02/06/2018

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ST121UTP232

ST121UTP23GB

VGA Video Extender over Cat 5 with RS232

*actualproduct mayvary fromphotos

Instruction Manual

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 dierent 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

Hardware Installation .............................................................................................................................. 2

Specications..........................................................................................5

Technical Support ..................................................................................6

Warranty Information............................................................................6

Instruction Manual

Introduction

Packaging Contents

• 1 x ST121UTP232 Transmitter unit

• 1 x ST121UTP232 Receiver unit

• 2 x Power Adapter

• 2 x Rubber Stopper set

• 1 x Instruction Manual

System Requirements

• VGA enabled video source and display

• Serial Device: RS232 only

• Available power outlet for both Transmitter/Receiver units

• Point-to-Point Cat5 UTP Ethernet connection

Instruction Manual

Installation

This product is composed of two separate units: the Transmitter Unit and the Receiver

Unit. The Transmitter Unit takes the output from a VGA and/or RS-232 Serial data

source and transmits it to the Receiver unit over Category 5 Ethernet cable. The signal

source (VGA and/or Serial) is connected to a Transmitter unit, which transmits the

signal to the Receiver unit, up to 300m away. The remote display connects to the

Receiver unit using a standard VGA connection and displays the image from the local

computer on the remote display.

NOTE: The total length of cable between the Transmitter and Receiver units cannot

exceed 1000 feet (300 meters), including patch cables (if used).

NOTE: Long cable lengths between the Transmitter and Receiver units may adversely

aect image quality at high resolutions and refresh rates. If you need to run your

remote displays at high resolutions and frequencies, use as little Ethernet cabling

between locations as possible and avoid practices such as“coiling”unused cable in a

ceiling or behind the display.

Hardware Installation

VGA output

RJ45 port

DB9 input

VGA input

Power

connector/LED

Front View - Transmitter Unit

Rear View - Transmitter Unit

Instruction Manual

Preparing Your Site

Prior to installation, please ensure that the site is prepared to accommodate the

location of the Transmitter and Receiver units.

1. Determine where the local computer will be located and set up the computer.

2. Determine where the remote display(s) will be located and place/mount them appropriately.

3. If you are using surface cabling, ensure you have enough Category 5

unshielded twisted pair (UTP) Ethernet cabling to connect the Transmitter

Unit to the Receiver unit’s location, and that each end is terminated with a

RJ-45 connector.

If you are using premises cabling, ensure that the Category 5 unshielded

twisted pair (UTP) Ethernet Cabling between the Transmitter Unit and the

Receiver unit has been properly terminated in a wall outlet in each location

and there is a patch cable long enough to connect the Receiver unit and the

Transmitter Unit to their respective outlets.

4. Ensure that both the remote and Transmitter units are close enough to an

available power outlet, to safely connect.

Please note that the following instructions assume that both Serial and VGA

Contrast/

Brightness

Adjustment

RJ45 port

DB9 output

VGA output

Power

connector/LED

Front View - Receiver Unit

Rear View - Receiver Unit

Instruction Manual

connections will be used. If you are using the extender with only serial or only VGA,

please disregard any steps pertaining to the unused connection.

Installing the Transmitter Unit

1. Place the Transmitter Unit near the computer/video source.

2. Switch o the computer and disconnect any existing VGA connections.

3. Connect one end of a standard male/male VGA cable to the port marked VGA IN,

located on the rear panel of the local unit.

4. Connect the remaining end of the VGA cable used in step 3, to the VGA out port on

the computer video card (or other signal source).

5. Connect one end of an RS-232 Serial cable to the port marked RS232 IN on the

Transmitter Unit.

6. Connect the remaining end of the RS-232 cable used in step #5, to the Serial

output port on the host computer.

7. Insert the round, metal connector from the included power adapter to the port

marked POWER on the rear panel of the Transmitter unit.

8. Connect the remaining end of the power adapter to an available power receptacle.

9. Optional: If you wish to locate a display near the video source, please insert the

VGA cable provided by the monitor/display to the VGA OUT port located on the

front panel of the Transmitter unit.

Installing the Receiver Unit

1. Place the Receiver Unit near the display and/or serial peripheral you wish to use.

2. Connect the VGA display to the port marked VGA OUT, located on the rear panel of

the Receiver unit.

3. Connect the RS232 OUT port located on the rear panel of the Receiver Unit to the

desired Serial peripheral.

4. Connect the rounded metal connector from the included power adapter to the

port marked POWER on the rear panel of the Receiver unit.

5. Connect the remaining end of the power adapter to an available power receptacle.

Linking the Transmitter and Receiver Units

Once the Transmitter and Receiver Units have been situated and installed, connect the

two devices together using standard Cat5 Ethernet cable terminated at both ends with

an RJ45 connector. For longer transmissions, it is advisable to use as little Cat5 cable

as possible (i.e. avoid using excess cable), to ensure optimum picture quality at the

remote display

Instruction Manual

Specications

Connectors (Transmitter)

2 x DE-15 VGA female

1 x 9-pin DB9 male

1 x RJ45

Connectors (Receiver)

2 x DE-15 VGA female

1 x 9-pin DB9 male

1 x RJ45

Input Signal

RGB Analog (75Ω, 0.7Vp-p) + DATA

H/V Sync Separated (TTL)

RS232 Data

Maximum Video Resolution 1600x1200

Maximum Distance 984 ft. (300m)

Video Bandwidth 150MHz

Horizontal Frequency Range 30-95KHz

Vertical Frequency Range 50-180Hz

Power Supply 12VDC, 500mA

Dimensions 44.0mm x 133.0mm x 70.0mm

Weight 1400g (combined)

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.

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

ocers, directors, employees or agents) for any damages (whether direct or indirect,

special, punitive, incidental, consequential, or otherwise), loss of prots, 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.

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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