Clear The Lof (Stmn) Alarm; Logbufr90 - Cisco ONS 15600 SDH Troubleshooting Manual

Chapter 2 Alarm Troubleshooting

Clear the LOF (STMN) Alarm

Verify that the automatic protection switch to the protect port was successful.
Step 1
•
•
Step 2 Verify that the traffic (STM-N) card and port on the upstream node is in service.
•
•
Step 3 If the alarm does not clear, clean the optical fiber connectors by completing the following steps:
Always use the supplied electrostatic discharge wristband when working with a powered
Caution
ONS 15600 SDH. Plug the wristband cable into the ESD jack located on the lower-right edge of the shelf
assembly.
a.
b.
If you continue to receive the LOF alarm, see the
Step 4
Levels" section on page 1-74
Step 5 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1 800 553-2447) to report a Service-Affecting (SA) problem.

2.6.118 LOGBUFR90

The Log Buffer Over 90 alarm indicates that the per-NE queue of incoming alarm, event, or update
capacity of 5,000 entries is over 90 percent full. LOGBUFR90 will clear if CTC recovers. If it does not
clear, LOGBUFROVFL occurs.
Note LOGBUFR90 is an informational alarm and does not require troubleshooting.
July 2010
A SNCP APS is identified by an AUTOSW-type alarm or condition (such as AUTOSW-AIS,
AUTOSW-LOP, AUTOSW-PDI, AUTOSW-SDBER, AUTOSW-SFBER, or AUTOSW-UNEQ).
A 1+1 APS is identified on the node view Maintenance > Protection tab. If you click the protection
group, under the Selected Group list, the ports are designated as Working/Standby and
Protect/Active.
On an in-service traffic card, the green SRV and Laser On LEDs are illuminated.
If the card ports are in service, in the card view Provisioning tab, the Status column for the port(s)
show In Service. If the ports are not in service, click the port column and choose In Service, then
click Apply.
Clean the fiber connectors according to local site practice.
If no local practice exists, use a CLETOP Real-Type or equivalent fiber-optic cleaner and follow the
instructions accompanying the product and/or refer to the procedures in the "Maintain the Node"
chapter in the Cisco ONS 15600 SDH Procedure Guide.
for acceptable standards.
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Logical Object: SYSTEM
"1.9.3 Optical Traffic Card Transmit and Receive
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
2.6.118 LOGBUFR90
2-83