Cisco Cisco OptoStar II 1550nm EDFA Guia Da Instalação
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 3-16) 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 3-16) to determine the cause of the
alarm. See the table below.
Alarm
Possible Cause
Servicing Instruction
Low Optical
Input Power
Low optical output power
in reverse transmitter
module of the node
Connectors between the
reverse transmitter and the
optical splitter mismatch
Connectors between the
reverse transmitter and the
optical splitter contain
dusts or contaminants
Splitter failure
Optical link loss exceeds the
designed value
Fiber connector and the
reverse receiver connector
mismatch
Check the optical output
power in reverse
transmitter of the node
Check whether all the
optical connectors match
Make sure all the mating
surfaces of the fiber are
clean
Check splitter for signal
Check whether the
optical input power is
between -16dBm and
+2dBm with an optical
power meter
If the problem persists,
contact the manufacturer
for servicing
High Optical
Input Power
High optical output power
in reverse transmitter of the
node
Link connection failure
Check the optical output
power in reverse
transmitter of the node
Ensure the link
connection is correct
If the problem persists,
contact the manufacturer
for servicing
Continued on next page
4-4
Troubleshooting
OL-29663-03