LINK-MI LM-EX50 User manual

HDMI Extender over single
50m/164ft UTP Cables with IR Control
LM-EX50
User manual
Thank you for purchasing this product. For optimum performance and
safety, please read these instructions carefully before connecting,
operating or adjusting this product. Please keep this manual for future
reference.

INTRODUCTION
The HDMI Extender over Single Cat5e/6 with IR extends high definition
video and audio signals and IR, at a distance of up to 164ft/50m over a
single Cat5e/6 cable. Features EDID management, which allows and
encourages source and display “handshake” for seamless integration. With
only one cost effective Cat5e/6 cable, high definition sources with HDMI
outputs can be connected to high definition displays with HDMI inputs over
long distances. Deep color video, DTS-HD or Dolby TrueHD audio is
supported and compatible with the extender. In addition, the extender is
also equipped with bi-directional IR pass-through which allows for source
or display control.
The extender includes two units: transmitting unit and receiving unit. The
transmitting unit is used to capture the HDMI input with IR signals and
carries the signals via one cost effective Cat5e/6 cable. The receiving unit is
responsible for equalizing the transmitted HDMI signal and reconstructing
IR control signals. The extender offers the most convenient solution for
HDMI extension over a single Cat5e/6 with long distance capability, and is
the perfect solution for any application.
FEATURES
Allows HDMI Audio/Video and IR signals to be transmitted over a
single Cat5e/6 cable.
Support copy EDID from receiver display or loop out display.
Allows for cascading via additional HDMI loop out port.
Support Power over cable fuction.
Transmission Range: Extends 1080p resolution up to 164ft/50m
over a single Cat5e or Cat6 cable.
Works with HDMI and HDCP compliant devices.
Supports up to 1080p High Definition resolution.
Compact design for an easy and flexible installation.

SPECIFICATIONS
Video Bandwidth: Single-link 165Mhz [ 4.95Gbps]
Video Support: 480i/480p/720p/1080i/1080p @60
Audio Support: Surround Sound (up to 7.1 ch) or stereo digital audio
Transmission Range: HD [1080p 24-bit color] – up to 50m [164ft]
Input TMDS Signal: 3.3 volts
Input DDC Signal: 5.0 volts/P-P
ESD Protection: Human Body model: +/- 8 kV (air-gap discharge)
+/- 4 kV (contact discharge)
HDMI connector: Type A 19 pin female
RJ-45 connector: WE/SS 8P8C
3.5mm connector: (TX and RX) IR Receiver/IR Blaster
MECHANICAL SPECS
Housing: Metal enclosure
Power Supply: (1) 5V1A DC
Power consumption: 1.5 watts (TX); 1.0 watts (RX)
Operation temperature: 32~104 °F
Storage temperature: -4 ~140 °F
Relative humidity: 20~90 % RH (no condensation)
Package Contents:
HDMI Transmitter 1pcs
HDMI Receiver 1pcs
Windband IR Tx cable 1pcs
Windband IR Rx cable 1pcs
5V1A DC Power Supply Adaptor 1 pcs
Product Manual 1pcs

PANEL DESCRIPTIONS
Transmitting unit
①HDMI out: This slot is to connect the HDMI input of your display such as
an HDTV.
②EDID: The switcher can switch copy EDID fuction,switch to left
position,the extender will copy hdmi loop out display EDID information
to source. Switch to right position,the extender will copy receiver
display EDID to sourc.
③HDMI in: This slot is where you connect the HDMI output port of your
source equipment such as DVD/Blu-ray players or Set-Top-Box with an
HDMI cable.
④IR out: Connect the IR Blaster cable included in the package for IR signal
transmission. Pace the IR blaster in direct line-of-sight of the equipment
to be controlled.
⑤Power LED: This LED will illuminate when the device is connected with
power supply.
⑥CAT: Connect the CAT output of the transmitter with the CAT input of
the receiver with CAT5E/6 cable.
⑦Link LED: This LED will illuminate when the device is connected to HDMI
source.
⑧DC 5V: Connect from 5V DC power supply into the unit and connect the
adaptor to an AC outlet.

Receiver unit
①EQ switcher: HDMI Receiver equalizer switcher.
②HDMI out: This slot is to connect the HDMI input port of your display
such as an HDTV.
③IR in: Connect to the IR Receiver for IR signal reception. Ensure that
remote being used is within the direct line-of-sight of the IR receiver.
④Power LED: This LED will illuminate when the device is connected
with power supply.
⑤CAT: Connect the CAT input of the receiver with the CAT output of
the transmitter with CAT5E/6 cable.
⑥Lock LED: This LED will illuminate when the HDMI signal from the
transmitter is stable.
⑦DC 5V: Connect from 5V DC power supply into the unit and connect
the adaptor to an AC outlet.(For POC fuciton, the receiver does not need
power supply).
RX Equalizer distance adjust
If you see flickering or blinking image on the display, adjust the EQ switch
to improve the cable skew. MAX stands for the strongest HDMI signal level
for the longest possible transmission length while MIN stands for the
weakest HDMI signal level for short transmission length. Adjust the signal
level from MIN to MAX until desired video quality is displayed.

CONNECTION DIAGRAM
Recommended EQ setting
Position
Cable Length
under 15m (49.5ft)
15-30m (49.5 ft - 99ft)
30-40m (99ft - 132ft)
40-50m(132ft – 164ft)

CONNECT AND OPERATE
1. Connect a source such as a Blu-Ray Player, game console, A/V Receiver,
Cable or Satellite Receiver, etc. to the HDMI input on the Transmitting unit.
2. Connect a display such as an HDTV or HD Projector to the HDMI output
on the Receiving unit.
3. Connect a single Category 5e/6 up to 164ft/50m to the output of the
Transmitting unit, and the other end to the input of the Receiving unit.
4. For power, plug both the Transmitting unit and Receiving unit with the
included power supplies.
5. Power on each device in the same sequence (receiver and transmitter
will already be powered when either unit is plugged in.)
At this point the display connected should display the source signal
connected to the extender set. If no signal is being displayed, check the
receiver EQ swithcer. If a display is having difficulty receiving a signal, see
EDID section and perform EDID learning or access the display's menu and
adjust the resolution (lowest to highest until signal is displayed). A 24 Hz
vertical refresh rate may work better than 60 Hz or higher. Use the source
remote at the receiver emitter to test IR functionality. If the IR remote
function is not responding, check the emitters to ensure they are placed
correctly and are plugged into the correct IR jacks on the Extender set
receiving and transmitting units.
Wideband IR(30KHz---60KHz) introduction

IR BLASTER (TX)
To control the source :Plug IR Blaster into IR TX port of transmitter unit;
place blaster in front of the IR eye of the source.
To control the display :Plug IR Blaster into IR TX port of receiver unit; place
blaster in front of the IR eye of the display.
IR RECEIVER (RX)
To control the source :Plug IR Receiver into IR RX port of receiver unit;
place receiver at or near display.
To control the display :Plug IR Receiver into IR RX port of transmitter unit;
place receiver in position where it is able to receive remote signals.