Troubleshooting – Muxlab HDMI Over Coax Extender Kit User Manual
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© MuxLab Inc. 2013
cable.
3b. Connect one (1) lengths of RG-59 (or higher) grade coaxial cables to
RJ45 LINK connectors on the Transmitter.
4. To install the Receiver:
4a. Connect the Receiver to the HDMI display equipment with an HDMI compliant
cable.
4b. Connect the one (1) RG-59 coaxial cables to RJ45 LINK connectors on the
Receiver.
5. Connect the 5 VDC power supply to the Receiver first, and then plug the power
supply into an AC power outlet. Connect the 5 VDC power supply to the
Transmitter first, and then plug the power supply into an AC power outlet. If power
is present, the green power LED of the Transmitter and the Receiver will be ON.
Note: Power the HDMI Over Coax Extender only after all connections are made.
6. Power the HDMI equipment and verify the image quality.
7. This product can be daisy chained by connecting additional Receivers to the
second port. This is achieved by connecting the BNC output of the first HDMI
Receiver to the BNC input of the cascade receiver.
8. The following diagram shows the final configuration.
Troubleshooting
The following table describes some of the symptoms, probable causes and possible solutions
in respect to the installation of the HDMI Over Coax Extender Kit:
Tx LEDs
Rx LEDs
Symptom
Power HDMI Coax Power HDMI Coax
Probable
Cause
Possible
Solutions
No Image
OFF
OFF
OFF
OFF
OFF
OFF No power
• Check power
connections
No Image
ON
OFF
OFF
ON
OFF
OFF Source
• Check the HDMI
cable at the source.
No Image
ON
ON
OFF
ON
OFF
OFF Resolution
• Check if the source
resolution is valid.
No Image
ON
ON
ON
ON
OFF
OFF Coaxial Cable
• Check the coaxial
cable.
No Image
ON
ON
ON
ON
OFF
ON Display
• Check the HDMI
cable at the display.
Flickering
Image
ON
ON
ON
ON
ON
ON Synchronization • Check cable length
• Check the HDMI
Cable Quality.
Choppy sound
ON
ON
ON
ON
ON
ON Synchronization • Check cable length
• Check the HDMI
Cable Quality.
If you still cannot diagnose the problem, please call MuxLab Customer Technical Support at
877-689-5228 (toll-free in North America) or (+1) 514-905-0588 (International).