LENKENG LKV828P-I 1×8 HDMI Splitter with Extender User Manual

User Manual
1×8 HDMI Splitter With Extender

LKV828P-I 1×8 HDMI Splitter with Extender

• Important safety notice：

1. Do not expose this device to rain, moisture and liquid.
2. Do not put any stuff into the device.
3. Do not disassemble or repair this device without qualified service technician.
4. Make sure the specification matched if using 3rd party DC adapters.

Introduction

This product is a 1 input 8 outputs extender splitter kit, which integrates the functions of distribution and extension. It distributes 1 HDMI input signal to 8 identical signal outputs, extends these signals up to 70 meters, and supports 4K60Hz resolution. It also supports IR passback, RS-232 control and other functions. It is suitable for  studios, multimedia classrooms, rail transit, etc.

Features

1. Zero latency transmission.
2. Split and extend one HDMI input signal to eight identical network output signals.
3. Support up to 4K@60Hz resolution.
4. Transmission distance up to 70 meters by using Cat6/6A/7 cables.
5. Support IR passback (20KHz~60KHz).
6. The transmitter supports HDMI loop out.
7. The receiver can output the digital audio of the TV or source device from the S/PDIF port.
8. Support EDID passthrough or manually set the EDID of the product.
9. Support RS-232 command control.
10. Surge Protection, Lightning Protection, ESD Protection.
11. Equipped with rack mount ears.
12. Support PoC, only the transmitter is required to supply power.

Package Contents

Installation Requirements

1. HDMI source device (PC, DVD, play station, etc.）
2. HDMI display device (TV, monitor, projector, etc.)
3. UTP/STP CAT6/CAT6A/CAT7 cable. Follow standard IEEE-568B.
   It is recommended to choose high-quality network cables.

Panel Description

Transmitter (TX)

Receiver (RX)

S/PDIF port)
S/PDIF: from the source device
ARC: from the TV (receiver end)
③| RJ45 signal input| Connect with Cat6/6A/7 network cables
④| Power/Signal
indicator| When there is power and no HDMI signal, the indicator will flash, when there is HDMI signal, the indicator will light solid blue
⑤| Power| PoC (Powered by TX)
⑥| S/PDIF output| Connect with speaker or amplifier
⑦| | Connect with HDMI display device
⑧| | Connect with IR receiver extension cable

Installation Procedures

1. Network cable
Follow the standard of IEEE-568B:

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

2. Connection

3. Connection instructions

1. Connect the source device to the HDMI IN port of the transmitter through an HDMI cable.
2. Connect the CAT6 OUT ports of the transmitter to the CAT6 IN port of the receivers through the network cables.
3. Connect the HDMI OUTPUT port of the receivers to the display devices through HDMI cables.
4. If using HDMI loop out, connect the LOOP OUT port of the transmitter to the display through an HDMI cable.
5. If using the RS-232 control, connect the RS-232 port of the transmitter to an external device.
6. Plug the power into the devices to get started.

4. IR User Guide

1. IR blaster extension cable should plug in the IR OUT port of the transmitter, IR receiver extension cable should plug in the IR IN port of the receivers.
2. The emitter of the IR blaster extension cable should be as close as ossible to the IR receiving window of the source device.
3. Point the remote control at the receiving head of the IR receiver extension cable to operate.

Function setting

1. RS232 settings
The default configuration is as follows:
Baud rate: 9600
Data bits: 8
Stop bits: 1
Parity: 0

to “08” (the network ports from left to right are: 01, 02, 03, 04, 05,06,07,08.); “All” means all four ports
ES XX Off [Enter]| Turn off the network signal output port(s), choose from “01” to “08” (the network ports from left to right are: 01, 02, 03, 04, 05,06,07,08.); “All” means all four ports
Reset [Enter]| Restart the device
Recover [Enter]| Restore device factory settings
Baud XX [Enter]| Set the baud rate value: 9600 (default),
19200, 38400, 57600, 115200
Examples of control commands are shown below:
Control Command| ES 04 On [Enter]
Function Description| Trun on network signal output port 04
Return Values| Received successfully| ES 04 On OK
Receive failed| ES 04 On FAIL
Control Command| ES All Off [Enter]
Function Description| Turn off all the network signal output ports
Return Values| Received successfully| ES All Off OK
Receive failed| ES All Off FAIL
Control Command| Reset [Enter]
Function Description| Restart the device
Return Values| Received successfully| Reset OK
Receive failed| Reset FAIL
Control Command| Baud 19200 [Enter]
Function Description| Set the baud rate value: 19200
Return Values| Received successfully| Baud 19200 OK
Receive failed| Baud 19200 FAIL

2. EDID settings:
There are 16 built-in EDIDs in the product, which can be switched through the DIP switch. The upward DIP switch indicates “1”, and the downward DIP switch indicates“0”.

| Switch up for “1”| | Switch down for “0”
---|---|---|---
Switch Status| EDID Information
---|---
1| 2| 3| 4
0| 0| 0| 0| 4K@60Hz 2CH
1| 0| 0| 0| 4K@60Hz 5.1CH
0| 1| 0| 0| 4K@60Hz 7.1CH
0| 0| 1| 0| 4K@60Hz HDR 7.1CH
0| 0| 0| 1| 4K@30Hz 2CH
1| 1| 0| 0| 4K@30Hz 5.1CH
1| 0| 1| 0| 4K@30Hz 7.1CH
1| 0| 0| 1| 4K@30Hz HDR 7.1 CH
0| 1| 1| 0| 1080p@60Hz 2CH
0| 1| 0| 1| 1080p@60Hz 5.1CH
0| 0| 1| 1| 1080p@60Hz 7.1CH
1| 1| 1| 0| 1080i@60Hz 2CH
1| 1| 0| 1| 1080i@60Hz 5.1CH
1| 0| 1| 1| 1080i@60Hz 7.1CH
0| 1| 1| 1| 1080p@60Hz HDR 7.1CH
1| 1| 1| 1| Auto

FAQ

Q: Why there is no image output on the display device?
– A: 1) Please check the power supply and all the cables are well-connected.
– 2) Please check whether there is an HDMI signal input.
– 3) Please make sure that the corresponding network port output is not turned off by the RS-232 command.
Q: Why is the output image unstable?
– A: 1) Please check whether the length of the network cable is within 70 meters.
– 2) Press the “reset” button on TX and RX panels to restart and reconnect.
Q: Why does the TV have a snowy/fuzzy screen?
– A: 1) Please change the HDMI cable or use a shorter HDMI cable.
– 2) The recommended length of the HDMI cable connected to the transmitter is ≤3 meters, and the recommended length of the HDMI cable connected to the receiver is ≤5 meters.

Technical Parameters

10801@50/60Hz, 1080p@50/60Hz, 1280×960, 1280×800, 1280×768, 1680×1050, 1360×768, 1366×768, 1600×900, 1024×768, 800×600, 3840×2160@24/25/30/50/60Hz, 4096×2160@24/25Hz
Audio formats| LPCM/DTS-HD/DTS-Audio/Dolby Digital 5.1
IR| Support IR passback function (20KHz-60KHz)
RS-232| 3 pin: TxD-RxD-GND, follows RS-232 levels
Working temperature| -20-60°C
Storage temperature| -30-70°C
Humidity (no condensation)| 0-90% RH
Protection| ESD protection
1 a Contact discharge level 2
1 b Air discharge level 3
Implementation of the standard: IEC61000-4-2
Lightning protection
Surge protection
Power supply| TX: DC12V/5A
Power consumption| TX+ RX < 50W
Material| Iron
Color| Black
Weight| TX:731g RX: 243g
Dimension| TX: 264.0(L) x 120.0(W) x 23.0(H)mm RX:105.5(L)x 102.5(W)x 20.0(H) mm

Disclaimer
The product name and brand name may be registered trademark of related manufactures. ™ and ® may be omitted on 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 rights to make changes without further notice to a productor system described herein to improve reliability, function or design.

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