LINK-MI LM-K120H-4K User manual

4K 120m HDMI KVM Extender
Model No.: LM-K120H-4K
User Manual

Dear Customer
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.
1. Introduction
The Extender uses single cat5e or cat6(recommended) cables instead of HDMI cable to
transmit high definition signal up to 120 meters, cutting down the cost. The Extender is
designed to supply for long distance transmission of high definition signal.
2. Features
1. Support HDMI 1.4/HDCP1.4;
2. Support local loop-out;
3. Support 120m long distance transmission: CAT 5E/6 Cable (120M) HDMI Cable
Loop-out;
4. Low power consumption, low temperature and high safety;
5. RX support 3.5MM left and right audio output (Optional);
6. Support IR control (Optional);
7. Support USB mouse and keyboard extension;
8. Support USB port touch screen function.
3. Specifications

4. Interfaces

5. Connection

6. Connecting and Operating
1. Connect one HDMI cable between source device and TX Extender, the max
cable distance is 10 meters.
2. Connect one HDMI cable between display device and RX Extender, the max
cable distance is 10 meters.
3. Connect single cat-5e or cat-6(recommended) cables instead of HDMI cables
between TX and RX Extender, the max cable distance is 120 meters.
4. Connect 12V power supply to the TX and RX.
5. Plug the mouse and keyboard into the USB port of the receiver, and connect the
USB port of the transmitter with the computer if you need the KVM control function.
When you use touch screen function, Please connect one of the port of the receiver
with the USB port of the touch screen display.
7. Package Contents
1. TX Extender 1PCS

2. RX Extender 1PCS
3. DC/12V1A Power adapter 2PCS
4. USB Cable 1PCS
5. IR-TX Cable 1PCS (Optional)
6. IR-RX Cable 1PCS (Optional)
7. User Manual 1PCS