Руководство По Установке для Cisco Cisco OptoStar II 1550nm Transmitter
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 3-14) 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 3-14) to determine the cause of the
alarm. See the table below.
Alarm
Possible Cause
Servicing Instruction
High Drive /
TEC Current
Automatic power control
circuit failure
Contact the manufacturer for
servicing
High Laser
Temperature
Laser failure
High ambient
temperature leading
to insufficient heat
dissipation
Contact the manufacturer for
servicing
High Module
Temperature
High ambient
temperature leading
to insufficient heat
dissipation
Poor chassis
ventilation
Chassis fan failure
Ensure good ventilation
Put the chassis in a place
with good ventilation
In case of fan failure,
replace the fan, or
contact the manufacturer
for servicing
Low or High
Optical Input
Power
Optical source failure
Fiber or connector
failure
Make sure the optical
connector matches
Make sure the fiber
works well
Check whether the
optical input power is
between -5.0 dBm and
10.0 dBm with an optical
power meter
If the input power is
normal, contact the
manufacturer for
servicing
Continued on next page
4-4
Troubleshooting
OL-29666-02