1. Connect a HDMI or DVI source (such as a Blu-ray Disc player) to the
2. Connect a HDMI or DVI display (such as a LCD TV) to the receiving
unit HDEXT1IR232-RX.
3. Connect IR Blaster/Receiver to both TX and RX units.
receiving units.
6. Plug in 5V DC power supply unit to the power jack of the receiving
Type A (Receptacle) HDMI
Pin 1 TMDS Data2+
Pin 8
TMDS Data0 Shield Pin 15 SCL
Pin 2 TMDS Data2 Shield
Pin 9
TMDS Data0–
Pin 3 TMDS Data2–
Pin 10 TMDS Clock+
Pin 4 TMDS Data1+
Pin 11 TMDS Clock Shield Pin 18 +5V Power
Pin 5 TMDS Data1 Shield
Pin 12 TMDS Clock–
Pin 6 TMDS Data1–
Pin 13 CEC
Pin 7 TMDS Data0+
Pin 14 Reserved(N.C. on device)
Pin 16 SDA
Pin 17 DDC/CEC Ground
Pin 19 Hot Plug Detect
The SELLER warrants the HDEXT1IR232 HDBasedT Lite Extender
free from defects in the material and
workmanship for 1 year from the date of purchase from the SELLER or an
authorized dealer. Should this product fail to be in good working order
1. All HDMI over CAT5 transmission distances are measured using
Belden 1583A CAT5e 125MHz UTP cable and ASTRODESIGN Video
Signal Generator VG-859C & VG-870B.
2. Incorrect placement of IR Blaster and Receiver may result in the
failure of the IR extenders. Please check carefully before plugging in
the damage.
3. The transmission length is largely affected by the type of Cat-5/5e/6
cables, the type of HDMI sources, and the type of HDMI display. The
UTP cables (usually in the form of fixed length patch cords).
solid UTP Cat-5e cable shows longer transmission range than
the unit, provided that the unit has not been subjected to accident,
discharge and power surge. This warranty is offered by the SELLER for its
seal on the metal housing is broken.
repair. Such repairs are warranted for 90 days from the day of
reshipment to the BUYER. If the unit is delivered by mail, customers
agree to insure the unit or assume the risk of loss or damage in transit.
Under no circumstances will a unit be accepted without a return
UTP/STP cables are the only viable choice.
Safety and Notice
5. To reduce the interference among the unshielded twisted pairs of
wires in Cat-5/5e/6 cable, one can use shielded STP cables to
improve EMI problems, which is worsen in long transmission.
6. Because the quality of the CAT5/6 cables has the major effect on
how long the transmission limit can achieve and how good is the
received picture quality, the actual transmission range is subject to
than 1080i or 1280x1024, a Cat-6 cable is recommended.
Performance Guide for HDMI over Category Cable Transmission
Type of category cable
Unshielded (UTP)
Shielded (STP)
Unshielded (UTP)
Shielded (STP)
The HDEXT1IR232 HDBasedT Lite Extender with
& RS-232
Proof of sale may be required in order to claim warranty.
Customers outside Taiwan are responsible for shipping charges to and
from the SELLER. Cables and power adapters are limited to a 30 day
warranty and must be free from any markings, scratches, and neatly
The content of this manual has been carefully checked and is
believed to be accurate. However, The SELLER assumes no responsibility
for any inaccuracies that may be contained in this manual. The SELLER
transmission performance among all HDMI inputs.
Performance rating
User Manual
Please use EIA/TIA-568-B termination (T568B) at any time
advised of the possibility of such damages. Also, the technical
HDEXT1IR232 features and
and the HDMI logo are trademarks of HDMI Licensing LLC in the United
States and other countries.
However, like all electronic equipments, the HDEXT1IR232
should be used with care. Please read and follow the safety
minimize the risk of damage to the unit.
explained in this manual.
Keep objects that might damage the device and assure that the
placement of this unit is on a stable surface.
cables designed for this unit.
Do not use liquid or aerosol cleaners to clean this unit. Always
unplug the power to the device before cleaning.
The HDEXT1IR232 HDBasedT Lite Extender with
Bi-directional IR & RS-232 boosts up your video/audio transmission
distance up to 60m (198ft) in HDTV 1080p with 48-bit color depth.
HDEXT1IR232 also supports the most advanced 3D video format
complaint with HDMI specification and therefore guarantees the
highest 3D video compatibility on the market. With only one cost
effective CAT5/5e/6 cable, users can readily extend HDTV sources from
DVD players, Blu-ray Disc player, PS3, PC, and any other kinds of
sources compliant with TMDS to distant display monitors including
HDMI or DVI enabled TV sets or LCD PC monitors. With the advanced
design for the latest HDMI technology, deep color video, DTS-HD or
Dolby TrueHD audio, and HDCP supports and compatibility are all
further insured. This flexibility makes HDCP compliant DVD players or
PS3 transmit utmost high quality video and audio with a greater
distance at the minimal cost, when integrating several components
apart. In addition, HDEXT1IR232 is also equipped with bi-directional IR
pass-through path and RS-232 serial port control. These bonus features
allow users to boost IR control distance up to 60m (198 ft) and makes IR
control possible through only single CAT5/5e/6 cable including HDMI
signals. In addition, serial port offers the convenient path for interactive
application, such as touch panels.
The HDEXT1IR232 includes two units: transmitting unit
HDEXT1IR232-TX and receiving unit HDEXT1IR232-RX. The transmitting
unit is used to capture the input HDMI / DVI signals with IR control
packets and carry the signals via one cost effective CAT5/5e/6 cable.
The receiving unit is responsible for equalizing the transmitted HDMI
signal and reconstructing IR signals. HDEXT1IR232 offers the most
convenient solution for digital signage with long distance A/V
transmission path, and with 10G transmission width ready,
HDEXT1IR232 is ready for your next HDMI generation and applications!
Support HDMI Deep Color & full 3D & 4K2K@30 (HDBaseT-Lite
Extend the transmission up to 60m (198ft) from the HDMI source at
Full HD 1080p 48-bit and 40m (130ft) at 4K2K@30
HDCP & EDID Bypass
CEC support
Auto equalization
Pure unaltered uncompressed 7.1ch digital HDMI over Cat.5/5e/6
cable transmission
DTS-HD Master Audio and Dolby TrueHD high bit rate audio support
Support full frequency IR signal from 20KHz to 60KHz
Bi-directional IR path-through
Full Duplex RS-232 control up to 115,200 bps through connector
Wall mounting housing design for easy and robust installation
Model Name
Role of usage
HDMI compliance
HDCP compliance
Video bandwidth
Video support
Audio support
Input TMDS signal
Input DDC signal
Transmitter [TX]
Receiver [RX]
HDMI Deep Color, full 3D & 4K2K@30
Single-link 340MHz [10.2Gbps]
480i / 480p / 720p / 1080i / 1080p60
1080p@60 60m (198ft) [CAT5e]
Surround sound [up to 7.1ch) or stereo digital audio
1.2 Volts [peak-to-peak]
5 Volts [peak-to-peak, TTL]
[1] Human body model — ±19kV [air-gap discharge] & ±12kV [contact discharge]
ESD protection
[2] Core chipset — ±8kV
PCB stack-up
4-layer board [impedance control — differential 100Ω; single 50Ω]
IR pass-thru
RS-232 support
1x RJ-45[HDBaseT]
1x 3.5mm
1x 3.5mm
1x RJ-45[HDBaseT]
1x 3.5mm
1x 3.5mm
HDMI source control
Controllable via IR pass-through from RX to TX with IR extenders
HDMI connector
Type A [19-pin female]
Min DIN connector
RJ-45 connector
WE/SS 8P8C(Reverse Mode)
Rotary control switch
3.5mm connector
IR receiver / IR blaster
IR receiver / IR blaster
Metal enclosure
73 x 89 x 26mm [2.9" x 3.5" x 1"]
175 x 125 x 216mm [6.8" x 4.9" x 8.5"]
[L x W x H]
647 x 366 x 237mm [2'1" x 1'2" x 9.3"]
200g [7oz]
196g [6.9oz]
900g [2 lbs]
Wall-mounting case with screws
Power supply
5V 2A DC
Power consumption
3 Watt [max]
7 Watt [max]
0~40°C [32~104°F]
Storage temperature
-20~60°C [-4~140°F]
Relative humidity
20~90% RH [no condensation]
Transmitting unit [Receiving unit]
Latch-locking power jack: Connect to 5V
DC power supply
LED: Power indicator
HDMI IN[OUT]: Connects to a HDMI
source[Display] with a HDMI male-male cable
IR Blaster: Infrared 3.5mm socket for
plugging in the extension cable of IR blaster
IR Receiver: Infrared 3.5mm socket for
plugging in the extension cable of IR receiver
RS-232: Connect to host/device serial port
with a DSUB-9 male-male cable here
Dip Switch: Setup the RS-232 mode for serial
communication channel
RJ45: Plug in a CAT5/5e/6 cable that needs
to be linked to the transmitter or receiver.
LED: Link indicator
1x IR blaster
1x IR receiver
DIP Switch Position
ON [](DTE)
OFF [](DCE)
ON []
OFF []
IR Extenders
IR Blaster
IR Receiver
IR Sockets
IR BLASTER: plug in the IR blaster to emit all IR command signals
received from the IR receiver from the other end to control the devices
corresponding to the IR signals.
The length depends on the characteristics and quality of the cables.
Higher resolutions and longer transmission distances require low
skew cables (<25ns/100m) for best performance. Unshielded CAT6
with metal RJ45 connectors is recommended.
1x HDEXT1IR232 [TX&RX]
2x 5V DC power supply
1x User Manual
IR RECEIVER: plug in the IR receiver to receive all IR command signals
from the IR remote controls of the corresponding devices.
Incorrect placement of IR Blaster and Receiver may result in the
failure of the IR extenders. Please check carefully before plugging in
the IR extender to the respective IR sockets. Warranty will not cover
the damage.
Definition of IR Earphone Jack
1. IR Signal
2. Grounding
IR Blaster
1. IR Signal[20-60 kHz]
2. Grounding
3. Power
IR Receiver
TxD: The 2nd pin of RS-232, which is in charge of sending data
RxD: The 3rd pin of RS-232, which is in charge of receiving data
TxD: The 3rd pin of RS-232, which is in charge of sending data
RxD: The 2nd pin of RS-232, which is in charge of receiving data
Firmware Update
You can buy any IR extension cables in the market that are
compatible to the definition of the IR sockets for the matrix if
necessary for replacement use. However, IR cables longer than 2m
(6-ft) may not work.
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