Lenkeng LKV828P-I HDMI Splitter Extender User Manual
- June 12, 2024
- LENKENG
Table of Contents
Lenkeng LKV828P-I HDMI Splitter 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 tee hn ician.
- Make sure the specification matched if using 3rd party DC adapters.
Introduction
This product is a 1 input 8 outputs extender sp litt er 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 JR passback, RS-232 control, and other functions. It is suitable for studios, multimedia classrooms, rail transit, etc.
Features
- Zero latency transmission.
- Split and extend one HDMI input signal to eight identical network output signals.
- Support up to 4K@60Hz resolution.
- Transmission distance up to 70 meters by using Cat6/6A/7 cables.
- Support JR passback (20KHz~60KHz).
- The transmitter supports an HDMI loop out.
- The receiver can output the digital audio of the TV or source device from the S/PDI F port.
- Support EDID passthrough or manually set the EDID of the product.
- Support RS-232 command control.
- Surge Protection, Lightning Protection, ESD Protection.
- Equipped with rack mount ears.
- Support PoC, only the transmitter is required to supply power.
Package Contents
Installation Requirements
- HDMI source device (PC, DVD, play station, etc.)
- HDMI display device (TV, monitor, projector, etc.)
- UTP/ STP CAT6/ CAT6A/CAT7 cable. Follow standard IEEE-568B. It is recommended to choose high-quality network cables.
Panel Description
Transmitter (TX)
- Power indicator The indicator will turn blue when the power is turned on
- EDID DIP switch Set output resolution through EDI D DIP switch
- I Rout Connect with IR blaster extension cable
- Reset button Restart the device
- RJ45 output port Connect with Cat6/6A/7 network cables
- HDMI output port Connect with local H DM I display device with HDMI cable
- HDMI input port Connect with H DM I source dev ice with HDMI cable
- RS-232 Port Connect with the externa l device to control the transmitter.
- Power Connect with DC 12V/5A power adapter
Rece iver (RX)
- Reset buttonRestart the device
- Audio switch Choose the audio source (output from the S/ PDIF port) S/ PDIF: from the source device ARC: from the TV (receiver end)
- RJ45 sig nal input Connect with Cat6/ 6A/ 7 network cables
- Power/Signal indicator When there is power and no HDMI signal, the indicator wi ll fl ash, when there is an HDMI signal, the indicator will light solid blue
- Power PoC {Powered by TX)
- S/PDI F output Connect with a speaker or amplifier
- HDM! output Connect with HDMI display device
- IRin Connect with IR receiver extension cable
Installation Procedures
Network cable
Follow the standard of IEEE-5688:
- Orange/white
- Orange
- Green/white
- Blue
- Blue/white
- Green
- Brown/white
- Brown
Connection
Connection Instructions
- Connect the source device to the HDM I IN port of the transmitter through an HDM I cable.
- Connect the CAT60UT ports of the transmitter to the CAT6 IN port of the receivers through the network cables.
- Connect the HDM I OUTPUT port of the receivers to the display devices through H DMI cables.
- using an HDMI loop out, connect the LOOP OUT port of the transmitter to the display through an HDMI cable.
- If using the RS-232 control, connect the RS-232 port of the transmitter to an external device.
- Plug the power into the devices to get started.
IR User Guide
- IRblasterextension cable should plug in the I ROUT port of the transmitter, IR receiver extension cable should plug in the IR IN port Q: Why is the output image unstable? of the receivers?
- The emitter of the IR blaster extension cable should be as close as possible to the IR receiving window of the source device.
- 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
Control Commands | Function Descriptions |
---|
ES XX On [Enter]
| Turn on the network signal output port(sJ, 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
ESXX Off [Enter)
| Turn off the network signal output port(s), and choose from ·01• to·oa· (the
network ports from left to right are: 01, 02, 03, 04, 05,06,07,08.J; “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| Turn on network signal output port 04
Return Values| Received successfully| J ES040n0K
Receive failed| E5040nFAIL
Control Command| ES All Off [Enter]
Function Description| Turn off all the network signal output ports
Return VaIues
| Received successfully I ESAIIOffOK
Receive failed| I ES All Off FAIL
Control Command| Reset [Enter]
Function Description| Restart the device
Return VaIues
| Received successfully| J ResetOK
Receive failed| J Reset FAIL
Control Command| Baud 19200 [Enter]
Function Description| Set the baud rate value: 19200
| Received successfully I Baud 19200 OK
---|---
Return Values
| Receive failed J 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 “O”.
Switch Status|
EDID Information
---|---
1| 2| 3| 4
0| 0| 0| 0| 4K@60Hz2CH
1| 0| 0| 0| 4K@60Hz 5.1CH
0| 1| 0| 0| 4K@60Hz7.1CH
0| 0| 1| 0| 4K@60Hz HOR 7.1CH
0| 0| 0| 1| 4K@30Hz2CH
1| 1| 0| 0| 4K@30Hz5.1CH
1| 0| 1| 0| 4K@30Hz7.1CH
1| 0| 0| 1| 4K@30HzHDR7.1CH
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@60Hz2CH
1| 1| 0| 1| 1080i@60Hz5.1CH
1| 0| 1| 1| 1080i@60Hz7.1CH
0| | | | 1080p@60Hz HDR 7.1CH
---|---|---|---|---
| | | | Auto
Auto out put at a resolution compatible wit h all displays.
FAQ
- Q: Why there is no image o utput on the display device?
- A:Please check t he power su pply and all the cables are well -connected.
- Please check whet her t here is an HDMI signal input.
- Please make sure t hat the co rresponding network port o ut put is not tu rned off by the RS-232 command.
- Q: Why is the output image unstable?
- A: J Please check whether the length o f the netwo rk 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?
- A: Please change the HDMI cable o r use a shorter HDMI cable.
- The recommended length of the HDMI cable co nnected to the transmitter is :S3 met ers, and the recommended length of the HDMI cable co nnected to t he receiver is ,;5 met ers.
Technical Parameters
Item | Specification |
---|
T r a n sm i ss ion p ro t oc
ol| i p c olo r
Distribution mode| 1 IN 8 OUT
Transmission distance| CAT6/6A/7s70m
HDMI signal| HDMI 2.0, HDCP 2.2
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| Support IRpassback 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
Protect i o n
| ESD protection
1a Contact discharge level 2 1b Air discharge level 3
Implementation of the standard: IEC61000-4-2
Lightning protection
Surge protection
Power supply| TX:DC12V/5A
Po w e r c ons u mpti o n| TX+RX<SOW
Material| Iron
Color| Black
Weight| TX:731g RX:243g
D i me n s i on
| TX:264.0(L)x120.0(W) x 23.0(H) mm
RX:105.5(L)x102.5(W) x20.0(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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