Cisco Cisco OptoStar II 1310nm Transmitter Guía De Instalación
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 3-18) 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 3-18) to determine the cause of the
alarm. See the table below.
Alarm
Possible Cause
Servicing Instruction
High Bias /
TEC Current
TEC Current
Automatic power control
circuit failure
circuit failure
Contact the manufacturer for
servicing
servicing
High Laser
Temperature
Temperature
Laser failure
High ambient
temperature leading
to insufficient heat
dissipation
temperature leading
to insufficient heat
dissipation
Contact the manufacturer for
servicing
servicing
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
good ventilation
In case of fan failure, repair or
replace the fan, or contact the
manufacturer for servicing
replace the fan, or contact the
manufacturer for servicing
Low or High
Optical Output
Power
Optical Output
Power
Laser failure
Optical connector
mismatch
mismatch
Optical connector
contains dusts or
contaminants
contains dusts or
contaminants
Check whether the laser has
been switched on
been switched on
Check whether the optical
connector matches
connector matches
Make sure all the mating
surfaces of the fiber are clean
surfaces of the fiber are clean
Check whether the optical
output power is between
(standard value - 0.2) dBm
and (standard value + 0.5)
dBm with an optical power
meter.
output power is between
(standard value - 0.2) dBm
and (standard value + 0.5)
dBm with an optical power
meter.
If the problem persists,
contact the manufacturer for
servicing
contact the manufacturer for
servicing
Continued on next page
4-4
Troubleshooting
OL-29668-02