LENKENG LKV372P HDMI Extender User Manual
- October 30, 2023
- LENKENG
Table of Contents
LKV372P HDMI Extender
User Manual
Important Safety Notice
- Please distinguish the transmitter and receiver before installation.
- Do not disassemble the machine to repair the product during the working process to avoid electric shock.
- Please cut off the power before installation. Live installation may damage the equipment.
- Do not expose the devices to rain, moisture and liquid.
- Use a 5V/2A DC adapter only. Make sure the specification matched if using 3rd party DC adapters.
Introduction
This HDMI Extender includes a transmitter unit and a receiver unit, allows the HDMI signal to be transmitted up to 70 meters at 1080p resolution using a Cat6/6A/7 network cable. It adopts a point-to-point connection configuration, supports IR pass-back. It is perfect for outdoor advertising, monitor system, home entertainment, conference, etc.
Features
- Zero latency.
- Support up to 4K@30Hz resolution.
- Support CAT6/6A/7 network cables, 1080p@60Hz transmission distance is up to 70meters, 4K@30Hz transmission distance is up to 40 meters.
- Support IR pass-back function (20～60KHz).
- Support HDR10.
- Support EDID passthrough.
- Support PoC network cable power supply, only TX power supply is needed.
Package Contents
Transmitter unit x 1pc| Receiver unit x 1pc| DC5V/2A x 1pc
User manual x 1pc| IR blaster extension cable x 1pc| IR receiver extension
cable x 1pc
Installation Requirements
- HDMI source device (compute graphics card, DVD, PS4, HD monitoring equipment etc.)
- HDMI display device like SDTV, HDTV, projector with HDMI port.
- UTP/STP CAT6/6A/7 cable, follow standard IEEE-568B, it is recommended to select a network cable with less loss and crosstalk.
Interfaces
- Transmitter (TX)
1| Power input| Connect to the 5V/2A DC power adapter.
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2| HDMI input| Connect to a HDMI source device.
3| IR out| Connect the IR blaster extension cable, please keep the infrared transmitter as close as possible to the signal source device when using.
4| Reset button| Press the button to restart the device.
5| RJ45 signal output| Output modulated HDMI signal.
6| Signal Indicator| No HDMI signal is transmitted, the indicator flashes.
HDMI signal is transmitted, the indicator stays on. - Receiver (RX)
1| Power input| PoC, only TX power supply is needed.
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2| HDMI output| Connect to a HDMI display device.
3| IR in| Connect the IR receiver extension cable to ensure that the remote control used is within the range of the IR receiving device.
4| Reset button| Press the button to restart the device.
5| RJ45 signal input| Input modulated HDMI signal.
6| Signal Indicator| No HDMI signal is transmitted, the indicator flashes.
HDMI signal is transmitted, the indicator stays on.
Installation Procedures
-
The network cable should follow 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
---|--- -
Connection
-
Connection instruction
- Connect the HDMI port of the source device to the HDMI IN port of the transmitter via an HDMI cable.
- Connect the CAT6 OUT port of the transmitter and the CAT6 IN port of the receiver via a network cable.
- Connect the HDMI port of the display device to the HDMI OUT port of the receiver via an HDMI cable.
- Connect the IR blaster extension cable to the IR OUT port of the transmitter, connect the IR receiver extension cable to the IR IN port of the receiver.
- Plug the power into the devices to get started.
FAQ
Q: Why there is no image/image or sound is not played smoothly?****
– A: Press the “RESET” button of the receiver to restart the device. Reconnect the devices with a shorter network cable
Q: Why does the signal indicator “LINK” always flashes?****
– A: 1) Check whether the network cable is uses IEEE-568B wiring standards.
2) Check whether the source device and the transmitter are connected well.
3) Reset the transmitter or receiver and connect it again.
Q: Why does the receiver ‘s signal indicator ”LINK” stays on but there is no image output?****
– A: 1) Press the “RESET” button of the receiver to restart the device.
2) Check whether the display device and the receiver are connected well.
3) Reconnect the network cable or re-power the receiver.
Specification
| Items | Specification |
|---|---|
| Power Supply | Voltage/Current |
| Power consumption | TX+RX<SW |
| HDMI Performance And Interface | HDMI compliance |
| HDCP compliance | HDCP 1.4 |
| HDMI resolution | 800 x 600, 1024 x 768, 1280 x 720, 1280 x 960, 1366 x 768, |
1440 x 900,
1680 x 1050, 1920 x 1080, 4801@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz,
720p@50/60Hz, 1080i@50/60Hz, 1080p@24/25/30/50/60Hz, 3840 x 2160@24/25/30Hz
Audio formats| DTS, DTS-HD, PCM, LPCM
HDR| Support
EDID through| Support
IR Pass-back| Frequency Range: 20-60KHz
Input and output TMDS signal| 0.7 ∼ 1.2Vp-p(TMDS)
Input and output DDC signal| 5Vp-p(TTL)
Transmission Distance| Cat6/6A/7| 1080p@60Hz transmission 70 meters 4K@30Hz
transmission 40 meters
Protection Level| Electrostatic protection of the whole machine|
Implementation of the standard:
IEC61000-4-2
la Contact discharge level 2 (±4KV)
1 b Air discharge level 3 (±8KV)
Operating Environment| Working temperature| -20 ∼ 60°C
Storage temperature| -30 ∼ 70°C
Humidity (no condensation)| 0-90%RH
Body Properties| Dimension| 75.0(L) x 60.0(W) x 16.5(H) mm
Weight| TX: 127g
RX: 127g
Color| Black
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 product or system described herein to
improve reliability, function or design.