HDMI/IR/RS232 Twisted Pair PoE Extender
10
6. Troubleshooting & Maintenance
1)
When images of terminal unit output with ghost, such as the projector output with
ghost. Generally this is not a unit faulty; an incorrect setting on the projector or a bad
quality of cable may cause this. Please check the projector’s setting or try another
high quality connection cable.
2)
When there is a color losing or no video signal output, please check the input and
output end connections of the cables.
3)
When user cannot control the extender by computer through its COM port, please
check the COM port number in the software and make sure the COM port is in
good condition.
4)
When switching, there is no output image:
l
Check with oscilloscope or multimeter if there is any signal at the input end. If
there is no signal input, it may be the input connection cord broken or the
connectors loosen.
l
Check with oscilloscope or multimeter if there is any signal at the output end. If
there is no signal output, it may be the output connection cord broken or the
connectors loosen.
l
If it is still the same after the above checking, maybe there is something wrong
in the extender. Please send it to the dealer for fixing.
5)
If the static becomes stronger when connecting the video connectors, it probably
due to bad grounding, please check the grounding and make sure it connected well,
otherwise it would damage the extender.
