Cisco Cisco OptoStar II Driver Amplifier Installation Guide
General Troubleshooting Information, Continued
Troubleshooting
If the red alarm indicator on the front panel of the module is illuminated, check
the OptoStar II ICIM display, the OptoStar II console, or the OptoStar II NMS for
alarm code. See Alarm Code List (on page 3-13) to determine the cause of the
alarm. See the table below.
the OptoStar II ICIM display, the OptoStar II console, or the OptoStar II NMS for
alarm code. See Alarm Code List (on page 3-13) to determine the cause of the
alarm. See the table below.
Alarm
Possible Cause
Servicing Instruction
High Module
Temperature
Temperature
High ambient
temperature leading
to insufficient heat
dissipation
temperature leading
to insufficient heat
dissipation
Poor chassis
ventilation
ventilation
Chassis fan failure
Ensure good ventilation
Put the chassis in a place
with good ventilation
with good ventilation
In case of fan failure,
repair or replace the fan,
or contact the
manufacturer for
servicing
repair or replace the fan,
or contact the
manufacturer for
servicing
Low or High
Optical Input Power
in Channel A/B
Optical Input Power
in Channel A/B
Optical connector
mismatch
mismatch
Optical connector
contains dusts or
contaminants
contains dusts or
contaminants
Check whether the
optical connector
matches
optical connector
matches
Make sure all the mating
surfaces of the fiber are
clean
surfaces of the fiber are
clean
Check whether the
optical input power is
between -15 dBm and 25
dBm with an optical
power meter.
optical input power is
between -15 dBm and 25
dBm with an optical
power meter.
If the problem persists,
contact the
manufacturer for
servicing
contact the
manufacturer for
servicing
4-4
Troubleshooting
OL-29670-02