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HDMI® over Cat5 Video Extender with
RS232 and IR Control
ST121UTPHD2
*actual product may vary from photos
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
For the most up-to-date information, please visit: www.startech.com
Manual Revision: 07/06/2012
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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 dierent 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
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Table of Contents
Introduction ............................................................................................ 1
Packaging Contents ................................................................................................................................. 1
System Requirements ..............................................................................................................................1
Transmitter Unit .....................................................................................2
Receiver Unit ...........................................................................................3
Preparing Your Site ................................................................................4
Hardware Installation ............................................................................4
Specications .......................................................................................... 6
Technical Support ..................................................................................7
Warranty Information ............................................................................ 7
Instruction Manual
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Introduction
The ST121UTPHD2 HDMI® over Cat5 Extender Kit can extend the audio and video
signal output from an HDMI®-equipped device by up to 330 feet (100 Meters), over a
single CAT5 cable. The extender supports full High-Denition video (1080p) and HD
3D, and also extends the accompanying digital audio signal.
For convenient, time-saving control of the media source, the CAT5 HDMI extender
oers bi-directional RS232 serial and Infrared (IR) interfaces, which enable you to
control the HDMI audio-video source from either end of the connection.
The HDMI over CAT5 Extender Kit includes both the HDMI® to CAT5 transmitter and the
Cat5 to HDMI receiver needed for a cost-eective, ready-to-use digital signage solution.
To help ensure seamless performance without any unexpected or unnecessary
interruptions, the HDMI Ethernet transmitter and receiver units are fully compliant
with High Speed HDMI® and HDCP standards, and each unit features lockable power
connectors to prevent accidental disconnections.
The ST121UTPHD2 HDMI over Cat5 Extender Kit is backed by a StarTech.com 2-year
warranty and free lifetime technical support.
Packaging Contents
• 1x Local HDMI® Extender Unit
• 1x Remote HDMI® Receiver Unit
• 1x IR Receiver Cable
• 1x IR Transmitter Cable
• 1x HDMI Cable - 4 ft (1.2 Meters)
• 2x Universal Power Adapter NA / UK / EU
• 1x User Manual
System Requirements
• HDMI® enabled video source device (i.e. computer, Blu-ray Player)
• HDMI® enabled display device (i.e. television, projector)
• Available AC electrical outlet for transmitter and receiver
• HDMI® cable from receiver to display (HDMI® cable from video source to transmitter
is provided)
Instruction Manual
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Transmitter Unit
FRONT
IR OUT
HDCP
LED
LINK
LED
POWER
LED
MODE
LED
REAR
Power Jack
(12V DC)
Instruction Manual
LINK
(RJ-45 Connector)
HDMI
BYPASS
HDMI
IN
RS-232
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Receiver Unit
FRONT
REAR
LINK
(RJ-45 Connector)
LINK
POWER
LED
LED
HDCP
IR2 INIR1 IN
LED
MODE
LED
Power Jack
(12V DC)
Instruction Manual
HDMI
OUT
RS-232
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Preparing Your Site
1. Determine where the local video source (i.e. computer, Blu-ray Player) will be
located and set up the device.
2. Determine where the remote display will be located and place/ mount the
display appropriately.
Notes: Ensure the Extender Unit and the Receiver Unit are situated near an available
AC electrical outlet. Make sure all devices are turned o before beginning installation.
Hardware Installation
1. Install Transmitter Unit
a) Position the Transmitter Unit near the video source (i.e. Computer, Blu-ray Player).
b) Connect the provided HDMI® cable from the video source device (i.e. computer,
Blu-ray Player) to the “HDMI® IN” on the Transmitter Unit.
c) Connect the provided Transmitter Unit power supply.
d) (Optional) If using the ST121UTPHD2 to extend an infrared (IR) device signal.
Connect the IR Transmitter Cable to the IR OUT on the Transmitter Unit, and
Position the extended IR sensor directly in front of the video source’s IR sensor.
Check the manual of your video source device for the IR sensor location.
e) (Optional) If you would like to use a local display, connect an HDMI® cable (Not
provided) from the display to HDMI® bypass.
Note: Only the local or remote display can work at one time. Connecting a display to
the HDMI® bypass will result in the remote display losing signal.
f) (Optional) If also transmitting RS232 signals over Cat5, connect the transmitting
RS232 device to the “RS232” connector on the Transmitter Unit using a DB9 cable
(Not included).
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2. Install RJ45 terminated Cat5 Ethernet Cable
a) Connect an RJ45 terminated Cat5 Ethernet cable (not included) to the RJ45
connector on the Transmitter unit.
Note: If you are using surface cabling, ensure you have enough Category 5 unshielded
twisted pair (UTP) network cabling to connect the Host Unit to the Remote Unit’s
location, and that each end is terminated with a RJ45 connector. The cabling should
not go through any networking equipment (i.e. router, switch).
OR
If you are using premises cabling, ensure that the Category 5 unshielded twisted pair
(UTP) network cabling between the Host Unit and the Remote Unit has been properly
terminated in a wall outlet in each location and there is a patch cable long enough
to connect the Remote Unit and the Host Unit to their respective outlets. The cabling
should not go through any networking equipment (i.e. router, switch).
b) Connect the other end of the Cat5 cable run to the RJ45 connector on the
Receiver Unit.
3. Install Receiver Unit
a) Position the Receiver Unit near the video display (i.e. television, projector).
b) Connect the video source to the HDMI® OUT on the Receiver Unit using an
HDMI® cable (Not included).
c) (Optional) If using the ST121UTPHD2 to extend an infrared (IR) device signal.
Connect the IR Receiver Cable to the IR IN 1 on the Transmitter Unit, and Position
the IR sensor where the remote control will point.
Note: If you intend to point the remote control directly at the Transmitter Unit, the IR
Receiver cable is not require, as IR IN 2 is physically embedded into the device.
g) (Optional) If also transmitting RS232 signals over Cat5, connect the receiving
RS232 device to the “RS232” connector on the Receiver Unit using a DB9 cable
(Not included).
d) Connect the provided Receiver Unit power supply. The Power LED will light, and
LINK & HDCP LEDs will turn on after a successful connection between both units
is established. This may take several seconds.
4. Your source video image will now appear on the remote video display.
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Specications
1x IrDA (Infrared; SIR/FIR)
Local Unit Connectors
Remote Unit Connectors
Maximum Data Transfer Rate
Max Distance 100 m / 330 ft
Maximum Digital Resolutions 1080p @ 60Hz, 48-bit
Wide Screen Supported Yes
Audio Specications Supports Dolby® TrueHD, DTS-HD MA
General Specications
2x HDMI (19 pin) Female
1x DB-9 (9 pin; D-Sub) Female
1x RJ-45 Female
2x IrDA (Infrared; SIR/FIR)
1x HDMI (19 pin) Female
1x DB-9 (9 pin; D-Sub) Male
1x RJ-45 Female
HDMI® - 3.4Gbps
RS232 - 115200bps baud
IR Interface: Bi-directional
38Khz / ±10° / 5M
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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
ocers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of prots, 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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We make it easy to locate the parts, and we quickly deliver them wherever they need
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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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