Cisco Cisco OptoStar II Optical Switch 安装指南
General Troubleshooting Information, Continued
Alarm
Possible Cause
Servicing Instruction
Low or High
Optical Output
Power
Laser failure
Optical connector
mismatch
Optical connector
contains dusts or
contaminants
Check whether the laser
has been switched on
Check whether the
optical connector
matches
Make sure all the mating
surfaces of the fiber are
clean
Check whether the
optical input power is
between (standard value
- 4. 0) dBm and (standard
value + 1. 0) dBm with
an optical power meter.
If the problem persists,
contact the manufacturer
for servicing
CAUTION:
Do not open the enclosure of this module in any case. Opening the enclosure
may result in equipment damage, and you may lose the warranty eligibility.
may result in equipment damage, and you may lose the warranty eligibility.
OL-29666-02
Troubleshooting
4-5