Cisco ONS 15454 Troubleshooting Manual page 445

Chapter 2 Alarm Troubleshooting
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 in order to report a Service-Affecting (SA)
problem.
2.7.424 TX-AIS
The (TX) Transmit Direction AIS condition is raised by the ONS 15454 backplane when it receives a
far-end DS-1 LOS.
Clear the TX-AIS Condition
Determine whether there are alarms on the downstream nodes and equipment, especially the
Step 1
(OCN)" alarm on page
Step 2 Clear the downstream alarms using the applicable procedures in this chapter.
Step 3 If the condition 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.
2.7.425 TX-LOF
The Transmit Direction LOF condition is transmitted by the backplane when it receives a DS-1 TX-LOF.
This alarm is raised only at the transmit (egress) side.
Clear the TX-LOF 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.
2.7.426 TX-RAI
November 2009
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SONET Logical Objects: DS1, DS3, E1
2-164, or OOS ports.
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SONET Logical Objects: DS1, E1
"Clear the LOF (DS1) Alarm" procedure on page
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: DS1, DS3, E1
2-148.
Cisco ONS 15454 Troubleshooting Guide, R8.5
2.7.424 TX-AIS
"LOS
2-251