Cisco ONS 15310-MA Troubleshooting Manual page 100

Alarm Procedures
Clear the LO-TXPOWER Alarm
Display the reporting card's card view.
Step 1
Click the Provisioning > Optical > Optics Thresholds tabs.
Step 2
Increase the TX Power Low column value by 1%.
Step 3
If the card transmit power setting cannot be increased without affecting the signal, complete the
Step 4
"Physically Replace a Card" procedure on page
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 no ports are shown bad and the alarm does not clear, log into the Technical Support Website at
Step 5
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.140 LPBKCRS
The Cross-Connect Loopback condition indicates that there is a software cross-connect loopback active
between two STM1 or STM4 optical ports. A cross-connect loopback test occurs below line speed and
does not affect traffic.
For more information on loopbacks, see the
section on page
Cross-connect loopbacks occur below line speed. They do not affect traffic.
Note
Clear the LPBKCRS Condition
To remove the cross-connect loopback condition, double-click the ONS 15310-MA SDH in CTC to
Step 1
display the card view.
Complete the
Step 2
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
2-100
When you replace a card with the identical type of card, you do not need to make any changes
to the database.
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SDH Logical Objects: VCMON-HP, VCTRM-HP
1-4.
"Clear an STM-N Port XC Loopback Circuit" procedure on page
2-153.
for commonly used traffic-switching procedures.
"1.2 Identify Points of Failure on an Electrical Circuit Path"
Chapter 2 Alarm Troubleshooting
"2.9.1 Protection Switching,
2-155.
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