LENKENG LKV676KVM HDMI Extender TX Point to Point Extender User Manual

User Manual
HDMI EXTENDER
Point to Point Extender

Important Safety Notice

1. Do not mix up HDMI to RJ45 transmitter and RJ45 to HDMI receiver before installation.
2. Do not hot-plug when it is working.
3. Use DC5V-12V power supply only. Make sure specification matched if using 3rd party adapters.
4. Static electricity will cause damage of the device, please do ESD protection when using the device.

Introduction

This HDMI Extender includes a transmitter unit and a receiver unit, allowing HDMI signal to be transmitted up to 70 meters at 4K resolution using a CAT6/6A/7 network cable. It is perfect for outdoor advertising, video clips, a monitor system, home entertainment, and conference, etc.

Features

1. Zero-latency.
2. 4K@60Hz HDMI signal can be transmitted 70 meters through a CAT6/6A/7 network cable.
3. The receiver can extract the digital audio from the transmitter through the S/PDIF port, which supports the ARC function.
4. Supports Dolby audio(Dolby Digital Plus/Dolby TrueHD/Dolby Digital)
5. Supports HDR(YUV4:4:4), EDID passback.
6. Transmitter support one HDMI loop-out.
7. Support KVM function.
8. One receiver can be powered by the transmitter via network cable, Only on the first receiver.
9. Anti-lightning, anti-surge, anti-static protection.

Package Contents

Installation Requirements

1. HDMI source device (compute graphics card, DVD, PS3, )HD monitoring equipment, etc.
2. HDMI display devices like SDTV, HDTV, projector with HDMI port.
3. UTP/STP CAT6/CAT6A/CAT7 cable. Following standard IEEE-568B, It is recommended to select a network cable with less loss and crosstalk.

Interfaces

1. Transmitter (TX)

1.| USB Light| LED indicator keeps on and Fast flashing means the computer/PC have established or connected, slow flashing means no established connection
---|---|---
2.| Reset button| Press to restart the device
3.| RJ45 signal output| Connect with a network cable
4.| Power/Signal
indicator| When there is power and no HDMI signal, the indicator will flash when there is an HDMI signal, the indicator will light solid blue
5.| DC5V-12V input| Connect with DC5V-12V power adapter
6.| HDMI output| Connect with HDMI display device
7.| HDMI input| Connect with the source device
8.| USB-A port| Connect with computer

2. Receiver (RX)

1.| USB Light| LED indicator keeps on and Fast flashing means the computer/PC have established or connected, slow flashing means no established connection
---|---|---
2.| Reset button| Press to restart the device
3.| Audio switch| Choose to decode audio from HDMI or ARC output from the fiber-optic interface
4.| RJ45 signal input| Connect with a network cable
5.| Power/Signal indicator| When there is power and no HDMI signal, the indicator will flash when there is an HDMI signal, the indicator will light solid blue
6.| DC5V-12V input| Connect with DC5V-12V power adapter
7.| S/PDIF out| Output digital audio signal
8.| HDMI output| Connect with HDMI display device
9.| USB-A port| Connect with keyboard and mouse

Installation Procedures

1. Connection

Note: Only the TX needs to be powered when one to one connection.
Following the standard of IEEE-568B, It is recommended to select a network cable with less loss and crosstalk.

1-Orange/white
2-Orange
3-Green/white
4-Blue| 5-Blue/white
6-Green
7-Brown/white
8-Brown
---|---

2. Connection instruction

1. Connect the source device to the HDMI In the port of the transmitter with an HDMI cable, and connect the HDMI out port of the receiver to the display device with another HDMI cable.
2.  Connect the CAT out port of the transmitter and the CAT in the port of the receiver via a network cable (CAT6/CAT6A/CAT7). If cascading is used, connect the CAT out port of the previous receiver to the CAT in the port of the next receiver.
3. If using an HDMI loop out, connect the display device to the HDMI OUT port of the transmitter.
4. Plug the power supply into the device to get started.

[NOTE]: It is recommended to use a length range within 2~70m network cable. If the cable is too short, there may be no display output because the signal is too strong. If the cable is too long, the output may be of poor quality.

FAQ

Q: There is no output on screen when all connections are correct?
A:

1. Please make sure the HDMI cables support 4K×2K if the output signal from the source device is 4K×2K resolution.
2. Please check and make sure the network cable inserted to the RJ45 port is well.
3. Restart the transmitter or receiver by pressing the reset button.

Q: Black screen happened on the display/monitor?
A:

1. Check if the length of the cable is within the specified range.
2. Reset the transmitter to re-built the connection.

Q: The display shows unusual color or no sound?
A:

1. Reset the transmitter or receiver to re-built the connection.
2. Check if the HDMI cables are connected well.
3. Reconnect the network cable.

Specification

1080i@50/60Hz, 1080p@:050/60Hz, 3840×2160@24/25/30/60Hz 4096×2160 © 24/25/30 Hz
HDMI Performance And Interface| Supports audio formats| LPCM/DTS-HD/DTS- Audio/Dolby Digital Plus Dolby TrueHD/Dolby Digital
Input and output TMDS signal| 0.7-1.2Vp-p(TMDS)
Input and output DDC signal| SVp-p(TTL)
Input cable length| ≤58m(AWG24)
Output cable length| ≤8m(AWG24)
Transmission Distance| CAT6/6A/7| ≤70m
Protection Level| Electrostatic protection of the whole machine| la Contact discharge level 3
lb Air discharge level 3 Implementation of the standard: IEC61000-4-2
Operating Environment| Working temperature| -20∼60°C
Storage temperature| -30∼70°C
Humidity (no condensation)| 0 ∼90%RH
Body Properties| Dimension| 150.0(L) x 107.0(W) x 28.4(H)mm
Material| Aluminum alloy material + crystal panel
Treatment process| Grit blast
Color| Black
Weight| TX: 260g RX:260g

Disclaimer
The product name and brand name may be registered trademarks of related manufacturers. ™ and ® may be omitted from the user manual. The pictures in this user manual are just for reference. The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. We reserve the right to make changes without further notice to a product or system described herein to improve reliability, function or design.

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