StarTech.com ST124UTPEA User manual

VGA Video & Audio over Cat5 UTP Extender /
VGA and Audio Cat5 UTP Receiver /
VGA Video & Audio over Cat5 UTP Line Splitter
ST124UTPEA/ST128UTPEA
STUTPEALR
STUTPEA4X

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 turn-
ing 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 acknowl-
edges 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
i
Instruction Manual
Table of Contents
Introduction ................................................................................... 1
Features ......................................................................................1
Package Contents .......................................................................1
ST124UTPEA/ST128UTPEA/STUTPEA4X ................................1
STUTPEALR ...............................................................................1
Hardware Guide ..........................................................................2
Local Unit - Front View.................................................................2
Local Unit - Rear View.................................................................2
Hardware Guide - Cont’d.............................................................3
Hardware Guide - Cont’d.............................................................4
Installation...................................................................................... 5
Specifications ................................................................................ 6
Specifications - Cont’d.................................................................7
Specifications - Cont’d.................................................................8
Distances/Resolutions ................................................................8
Wiring Information and Coding....................................................8
Technical Support ......................................................................... 9
Warranty Information .................................................................... 9

Instruction Manual
1
Introduction
Thank you for purchasing a StarTech.com video extension solution.
ST124UTPEA/ST128UTPEA and STUTPEALR combine to create a cost
effective method of providing high quality video (with audio) to remote
locations over Cat5 UTP cabling.
Features
Supports resolutions of up to1024x768 @ 60 Hz refresh rate at•
maximum extension distance; higher resolutions available with shorter
cable runs
Delivers VGA video and audio to monitors located up to 300m / 950ft•
away
Can be used with a four port line splitter•
Package Contents
ST124UTPEA/ST128UTPEA/STUTPEA4X
1 x Local VGA Video and Audio Extender•
1 x Power Adapter•
2 x Rack Rails•
1 x Screw kit for rack rails•
1 x Instruction Manual•
STUTPEALR
1 X Instruction Manual•
1 X Long Range UTP Receiver•
1 X Power Adapter - Class 2 Transformer•

Instruction Manual
2
Hardware Guide
Local Unit - Front View
Local Unit - Rear View
ST124UTPEA
ST128UTPEA
Power LED
ST124UTPEA
ST128UTPEA
12 3 4567
Input Power Jack1.
VGA Output (HD-15 Female Connector)2.
VGA Input (HD-15 Female Connector)3.
AUDIO Input4.
MIC Input5.
MIC GAIN – adjust volume of microphone6.
CAT5 OUT (RJ-45 Connectors): ST124UTPEA x47.
ST128UTPEA x 8

Instruction Manual
3
Hardware Guide - Cont’d
Remote Unit - Front View
Remote Unit - Rear View
STUTPEALR
Power LED CAT5 Connector
VGA Output (HD-15 Female Connector)1.
AUDIO Output2.
EQ – Equalization length adjust (Adjust to sharpen images)3.
GAIN – Adjust brightness4.
Input Power Jack5.
STUTPEALR
12345

Instruction Manual
4
Hardware Guide - Cont’d
Line Splitter - Rear View
Line Splitter - Front View
VGA Output (HD-15 Female Connector)1.
CAT5 Input2.
EQ – Equalization length adjust (Adjust to sharpen images)3.
GAIN – Adjust brightness4.
Power LED5.
Input Power Jack6.
CAT5 Output ports7.
1 2 345 6
7

Instruction Manual
5
Installation
Turn off the VGA signal source device (computer).1.
Connect the local unit (ST124UTPEA/ST128UTPEA) HD-15 female2.
INPUT connector to the signal source (computer) using an HD-15 male
to male cable.
Connect the3. AUDIO IN connector of the local unit (ST124UTPEA/
ST128UTPEA) to the Audio Out port of the audio source (computer
sound card), using a 3.5mm audio cable.
Optional:4. Connect a compatible microphone cable to the MIC IN
connector on the local unit (ST124UTPEA/ST128UTPEA).
Connect a VGA monitor to the local unit (ST124UTPEA/ST128UTPEA)5.
HD-15 female OUTPUT using an HD-15 male to male cable
Connect the Local Unit (ST124UTPEA/ST128UTPEA)6. CAT5 OUT port
to the Remote Unit (STUTPEALR) using CAT5 cable.
Optional: If you will be using the STUTPEA4X Line Splitter, connect
the Local Unit (ST124UTPEA/ST128UTPEA) CAT5 OUT port to the
Line Splitter using CAT5 cable. Once the Line Splitter has been
connected, you have the option of connecting to up to four remote units
(STUTPEALR) using CAT5 cable.
Once each of the Remote Units have been connected to either a Local7.
Unit (ST124UTPEA/ST128UTPEA) or Line Splitter (STUTPEA4X),
connect a VGA monitor to the HD-15 OUTPUT connector provided by
the remote units as necessary.
Connect the Remote Unit8. AUDIO OUT port to the device you will be
using to distribute audio (i.e. stereo receiver, amplifier etc.)
Connect the power cord on all units (Local, Line Splitter, Remote).9.
Turn on the monitor and PC and audio amplifier.10.
When situating the Local and Remote Units, please review the
maximum distance capability offered by each component (found
in the Specifications section

Instruction Manual
6
Specications
Local Unit
Remote Unit
Function ST124UTPEA ST128UTPEA
VGA In Connector HD-15 Female x 1
VGA Out Connector HD-15 Female x 1
Audio In Connector 3.5mm Stereo Jack x 1
MIC In Connector 3.5mm Stereo Jack x 1
RJ-45 Connector 4 8
Max. Resolution 1280x1024 60Hz
Cable Distance 300 m (Max.)
Power Adapter (Min.) DC 12V 600mA
Weight 600 g 660 g
Dimensions (LxWxH) 220x119.5x41 mm
Function STUTPEALR
VGA In/Out Connector HD-15 Female x 1
Audio In/Out Connector 3.5mm Stereo Jack x 1
RJ-45 Connector 1
Max. Resolution 1280x1024 60Hz
Cable Distance 300 m (Max.)
Power Adapter (Min.) DC 12V 600mA
Weight 296 g
Dimensions (LxWxH) 130x110.5x25 mm

Instruction Manual
7
Specications - Cont’d
Line Splitter Unit (STUTPEA4X)
Function STUTPEA4X
RJ-45 In Connector 1
RJ-45 Out Connector 4
Max. Resolution 1280x1024 60Hz
Cable Distance 300 m (Max.)
Power Adapter (Min.) DC 12V 600mA
Weight 322 g
Dimensions (LxWxH) mm 200x111x25

Instruction Manual
8
Specications - Cont’d
Distances/Resolutions
Please note: It is recommended that CAT5 cable be used, as it offers
superior performance to other standards. For example, CAT6:
Wiring Information and Coding
Cable Type Supported Distance Supported Resolutions
CAT.5/5E
50M 2048x1536
100M 1280x1024
180M 1024x768
200M 800x600
300M 640x480
CAT.6
30M 1920x1440
50M 1280x1024
100M 800x600
Conductor
Identification
RJ45 Pin
Assignment
Color Code for
Conductor
Pair 1 5 White-Blue
4 Blue
Pair 2 1 White-Orange
2 Orange
Pair 3 3 White-Green
6 Green
Pair 4 7 White-Brown
8 Brown

Instruction Manual
9
Technical Support
StarTech.com’s lifetime technical support is an integral part of our commit-
ment 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 workman-
ship 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.

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