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18 C2653M (6/07)
Troubleshooting
LED indicators on the front and rear panels of the FT82011/FR82011 module allow you to monitor
operational status:
• LED indicators on the front panel allow you to monitor operating power, 100BASE-FX port
status, and optic signal/laser status. Refer to Table B for information about the front-panel
indicators and associated troubleshooting guidelines.
• LED indicators on the rear panel allow you to monitor RJ-45 10BASE-T/100BASE-TX port
status. Refer to Table C for information about the rear-panel indicators and associated
troubleshooting guidelines.
Table B. Troubleshooting with Front-Panel Indicators
Indicator
Color Meaning Possible Cause Corrective Action
Power LED (Pelco badge)
Blue Power is
being applied
to the module.
— No action required.
Not lit Power is not
being applied
to the module.
Power connection is faulty. Check power connection.
If module is rack mounted,
reseat module or power
supply as necessary.
Power supply has failed. Replace power supply.
Loss of power occurs due to tripped circuit
breakers, blown fuses, or faulty electrical
service.
Check circuit breakers,
fuses, or electrical service
as necessary.
100BASE-FX Status LED ( )
Green A fiber link is
established.
— No action required.
Flashing
green
Data activity
is occurring
on the fiber
link—data is
being trans-
mitted or
received.
— No action required.
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