Cisco ONS 15454 Troubleshooting Manual page 231

Chapter 2 Alarm Troubleshooting
Clear the AIS Condition
Determine whether there are alarms on the upstream nodes and equipment, especially the
Step 1
alarm on page
Clear the upstream alarms using the applicable procedures in this chapter.
Step 2
If the condition does not clear, log into the Technical Support Website at
Step 3
http://www.cisco.com/techsupport for more information or call Cisco TAC 1 800 553-2447.
2.7.2 AIS-L
The AIS Line condition indicates that this node is detecting line-level AIS in the incoming signal. This
alarm is secondary to another alarm occurring simultaneously in an upstream node.
This condition can also be raised in conjunction with the
enabled.
ONS 15454 DS-3 terminal (inward) loopbacks do not transmit an AIS in the direction away from the
Note
loopback. Instead of AIS, a continuance of the signal transmitted into the loopback is provided. A
DS3/EC1-48 card can be provisioned to transmit AIS for a terminal loopback.
Clear the AIS-L Condition
Complete the
Step 1
If the condition does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or call Cisco TAC 1 800 553-2447.
2.7.3 AIS-P
The AIS Path condition means that this node is detecting AIS in the incoming path. This alarm is
secondary to another alarm occurring simultaneously in an upstream node.
Clear the AIS-P Condition
Complete the
Step 1
November 2009
2-164, or if there are out-of-service (OOS,MT or OOS,DSBLD) ports.
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SONET Logical Objects: EC1, OCN
DWDM Logical Object: TRUNK
"Clear the AIS Condition" procedure on page
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SONET Logical Objects: STSMON, STSTRM
"Clear the AIS Condition" procedure on page
"TIM-S" alarm on page 2-246
2-37.
2-37.
Cisco ONS 15454 Troubleshooting Guide, R8.5
2.7.2 AIS-L
"LOS (OCN)"
if AIS-L is
2-37