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C2653M (6/07) 21
Optic Fault LED ( ) (Continued)
Flashing
red
Ethernet link
is down.
NOTE: In addition to a flashing red Optic
Fault LED, the 100BASE-FX LED is red and the
left RJ-45 Port Status LED (Link/Activity) LED
is not lit.
Laser has shut down due to either of the
following fault conditions:
• Module is operating in extreme
environmental conditions; for example,
operating temperature is below or above
recommended range as stated in the
Specifications section.
• Laser has reached end of life.
Ensure that module oper-
ates according to operat-
ing conditions stated in the
Specifications section, and
then cycle the power.
If problem persists,
contact Product Support.
Table B. Troubleshooting with Front-Panel Indicators (Continued)
Indicator
Color Meaning Possible Cause Corrective Action