skomplekt LKV824 1×4 HDMI Splitter With Extender User Manual

skomplekt LKV824 1×4 HDMI Splitter With Extender

 Important safety notice

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

Introduction

This product is a 1 input 4 outputs extender splitter kit, which integrates the functions of distribution and extension. It distributes 1 HDMI input signal to 4 identical signal outputs, extends these signals up to 70 meters, and supports 4K60Hz resolution. It also supports bi-directional 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 four 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 bi-directional IR passback.
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.

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

Receiver (RX)

②

|

Audio switch

| Choose the audio source (output from the 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| Connect with DC5V/2A power adapter
⑥| S/PDIF output| Connect with speaker or amplifier
⑦| | Connect with HDMI display device
⑧| | Connect with IR receiver extension cable
⑨| IR out| Connect with IR blaster extension cable

Installation Procedures

1. Network cable
2. Orange/white
3. Orange
4. Green/white
5. Blue
6. Blue/white
7. Green
8. Brown/white
9. Brown

Connection

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.

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.

IR User Guide

1.  IR blaster extension cable should plug in the IR OUT port of the transmitter or receiver, IR receiver extension cable should plug in the IR IN port of the transmitter or receivers.
2.  The emitter of the IR blaster extension cable should be as close as possible 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

RS232 settings

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

ES XX On/n

| Turn on the network signal output port(s), choose from “01” to “04” (the network ports from right to left are: 01, 02, 03, 04.); “All” means all four ports

ES XX Off/n

| Turn off the network signal output port(s), choose from “01” to “04” (the network ports from right to left are: 01, 02, 03, 04.); “All” means all four ports
Reset/n| Restart the device
Recover/n| Restore device factory settings

Baud XX /n

|

Set the baud rate value: 9600 (default), 19200, 38400, 57600, 115200

Examples of control commands are shown below:
Control Command| ES 04 On/n
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/n
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/n
Function Description| Restart the device
Return Values| Received successfully| Reset OK
Receive failed| Reset FAIL
Control Command| Baud 19200/n
Function Description| Set the baud rate value: 9600
Return Values| Received successfully| Baud 19200 OK
---|---|---
Receive failed| Baud 19200 FAIL

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”.

FAQ

Q: Why there is no image output on the display device?

•  Please check the power supply and all the cables are
•  Please check the power supply and all the cables are well-connected.
•  Please check whether there is an HDMI signal input.
•  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?

•  Please check whether the length of the network cable is within 70 meters.
•  Press the “reset” button on TX and RX panels to restart and reconnect.

Q: Why does the TV have a snowy/fuzzy screen?

•  Please change the HDMI cable or use a shorter HDMI cable.
•  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

HDMI Resolution

| 480i@60Hz, 480p@60Hz, 576i@50Hz,

576p@50Hz, 720p@50/60Hz, 1080i@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| Bi-directional IR passback (20-60khz)
RS-232| 3 pin: TxD-RxD-GND, follows RS-232 levels
Working temperature| -20~60℃
Storage temperature| -30~70℃
Humidity (no condensation)| 0~90% RH

Protection

| ESD protection

1a Contact discharge level 3 1b Air discharge level 3

Implementation of the standard: IEC61000-4-2

Lightning protection
Surge protection
Power supply| TX: DC 12V/2A RX: DC 5V/2A
Power consumption| TX<13W RX＜4W
Material| Aluminum alloy material + crystal panel
Color| Black
Weight| TX: 640g RX: 210g
Dimension| TX: 264.00(L) x 104.00(W) x 23.50(H)mm

RX: 106.0(L) x 99.0(W) x 26.2(H)mm

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