Cisco ONS 15310-MA Troubleshooting Manual page 69

Chapter 2 Alarm Troubleshooting
If the alarm does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.92 HI-LASERBIAS
The Equipment High Transmit Laser Bias Current alarm is raised against STM port laser performance.
The alarm indicates that the card laser has reached the maximum laser bias tolerance.
Laser bias typically starts at about 30 percent of the manufacturer maximum laser bias specification and
increases as the laser ages. If the HI-LASERBIAS alarm threshold is set at 100 percent of the maximum,
the laser usability has ended. If the threshold is set at 90 percent of the maximum, the card is still usable
for several weeks or months before it needs to be replaced.
Clear the HI-LASERBIAS Alarm
Complete the
Step 1
15310-MA SDH).
Removing a card that currently carries traffic on one or more ports can cause a traffic hit. To avoid this,
Caution
perform an external switch if a switch has not already occurred. See the
Lock Initiation, and Clearing" section on page 2-146
Always use the supplied electrostatic discharge wristband when working with a powered
Caution
ONS 15310-MA SDH.
Note
If the alarm does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.93 HI-LASERTEMP
78-18663-01
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SDH Logical Objects: EQPT, STM
DWDM Logical Object: PPM
"Physically Replace a Card" procedure on page 2-153
When you replace a card with the identical type of card, you do not need to make any changes
to the database.
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SDH Logical Object: STM
for commonly used traffic-switching procedures.
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
Alarm Procedures
for the controller card (ONS
"2.9.1 Protection Switching,
2-69