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18 C1641M-A (3/05)
Video Present LED
Green Incoming video signal
is present on the
channel.
– No action required.
Not lit on transmitter Incoming video signal
is not present on the
channel.
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 is
defective.
Replace cable.
Red on receiver Incoming video signal
is not present on the
channel.
Optical signal is not
being received from
the transmitter. Carrier
Detect LED is also red.
Refer to the Carrier
Detect LED
troubleshooting
section below.
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.
(Continued on next page)
Table A.
Troubleshooting with Front-Panel Indicators (Continued)
Indicator Color Meaning Possible Cause Corrective Action