Troubleshooting
En_9
Indicator Status
Meaning
Possible Cause
Corrective Action
Power LED
Light
Power is being applied
to the module.
---
No action required.
Not Light
Power is not being
applied to the module.
Check power connection.
If module is rack mounted,
reseat module or power
supply as necessary.
Power connection is
faulty.
Power supply has failed.
Replace power supply.
Loss of power occurs due
to tripped circuit
breaker(s), blown fuse(s),
or faulty electrical
service.
Check circuit breaker(s),
fuse(s), or electrical
service as necessary.
LED indicators on the front-panel of the transmitter/receiver allow you to monitor signal status,
laser status, data activity, contact closure activation, and operating power. Table A~D provide
information about the front-panel indicators and associated troubleshooting guidelines.
Table A: Power Links
Indicator Status
Meaning
Possible Cause
Corrective Action
Video LED(VIDEO 1,VIDEO 2....)
Light
Incoming video signal
is present on thechannel.
---
No action required.
Not Light
on Transmitter
Incoming video signal
is not present on the
channel.
Check power connection
to the video source.
Video source is not
powered on.
Video source is not
connected to the
transmitter.
Check BNC connections.
Coaxial cable is
defective.
Replace cable.
Table B: Video Links
Not Light
on Receiver
Incoming video signal
is not present on the
channel.
Optical signal is not
being received from the
transmitter. Optic Fault
LED is also not light.
Refer to the Optic Fault
LED section in this table.
Video source is not
powered on.
Check power connection
to the video source.
Video source is not
connected to the
transmitter.
Check BNC connections.
Coaxial cable connected
to the transmitter is
defective.
Replace cable.
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