Troubleshooting
Symptom
Probable Causes
Possible Solutions
No signal
Status LED is off
Incorrect cable
termination
Verify that both ends of the twisted pair
cables use 568B crimp pattern.
No signal
Status LED is off
Incorrect cable
connection
Swap the twisted pair cables in the AV and
HDCP RJ45 inputs on the receive balun.
No signal
Insufficient power
Verify the power supplies are connected to
both the send and receive baluns.
Verify the power LEDs on both the send
and receive units are brightly illuminated.
Unusual colors in
the video
HDMI
synchronization
issues
Power off the destination device and power
it back on to force renegotiation.
Unplug and re-plug the HDMI cable from
receive balun to force renegotiation.
No signal
Screen is
completely snowy
Speckling in the
video image
Occasional signal
dropouts
Video without
audio
Video signal exceeds
bandwidth of cabling
Use shorter runs of twisted pair cabling.
Drop the HDMI signal to the next lower
resolution; i.e., decrease resolution from
1080p to 1080i, etc.
Replace the twisted pair cable with a
higher grade twisted pair cable; i.e.,
replace Cat 5e with Cat 6.
Speckling in the
video image
Unsupported video
resolution
If the destination device is incapable of
displaying the video signal, alter the source
signal; i.e., decrease resolution from 1080p
to 1080i, etc.
Video without
audio
Unsupported audio
codec
Change source device to output PCM other
than Bitstream audio
Enable PCM down sampling if supported
by your source device
