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C1644M-B (6/06) 17
Video Present LED (Continued)
Red on receiver Incoming video
signal is not present
on the channel.
Optical signal is not being
received from the trans-
mitter. Optic Fault LED is
also red.
Refer to the
Optic Fault LED -
Receiver
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.
Optic Fault LED -
Transmitter
Green Laser is operating
properly.
– No action required.
Flashing red Laser has shut down. Transmitter is operating in
extreme environmental
conditions; for example,
operating temperature is
below or above recom-
mended range as stated in
the
Specifications
section.
Ensure that transmitter oper-
ates according to operating
conditions stated in the
Specifications
section, and
then cycle the power.
If problem persists, contact
Product Support.
Laser has reached end of
life.
Cycle the power. If problem
persists, contact Product
Support.
(Continued on next page)
Table A.
Troubleshooting with Front-Panel Indicators
(Continued)
Indicator Color Meaning Possible Cause Corrective Action