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Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
Chapter 2 Alarm Troubleshooting
2.7.414 TIM-MON
Step 3 If the alarm does not clear, ensure that the signal has not been incorrectly routed. (Although the
ONS 15454 routes circuits automatically, the circuit route could have been changed using TL1.) If
necessary, manually correct the routing using TL1. For instructions, refer to the Cisco ONS SONET TL1
Reference Guide and the Cisco ONS SONET TL1 Command Guide .
Step 4 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 if necessary.
2.7.414 TIM-MON
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SONET Logical Object: OCN
DWDM Logical Object: TRUNK
The TIM Section Monitor TIM alarm is similar to the “TIM-P” alarm on page 2-245, but it applies to
TXP_MR_10G, TXP_MR_2.5G, TXPP_MR_2.5G, TXP_MR_10E, and MXP_2.5G_10G cards when
they are configured in transparent mode. (In transparent termination mode, all SONET overhead bytes
are passed through from client ports to the trunk ports or from trunk ports to client ports.)
Note For more information about MXP and TXP cards, refer to the Cisco ONS 15454 DWDM Reference
Manual.
Clear the TIM-MON Alarm
Step 1 Complete the “Clear the TIM-P Alarm” procedure on page 2-246.
Step 2 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.
2.7.415 TIM-P
Default Severity: Critical (CR), Service-Affecting (SA) for STSTRM; Default Severity:
Minor (MN), Non-Service-Affecting (NSA) for STSMON
SONET Logical Objects: STSMON, STSTRM
The TIM Path alarm occurs when the expected path trace string does not match the received path trace
string. Path Trace Mode must be set to Manual or Auto for the TIM-P alarm to occur.
In manual mode at the Path Trace window, the user types the expected string into the Current Expected
String field for the receiving port. The string must match the string typed into the Transmit String field
for the sending port. If these fields do not match, the login node raises the TIM-P alarm. In Auto mode
on the receiving port, the card sets the expected string to the value of the received string. If the alarm
occurs on a port that has been operating with no alarms, the circuit path has changed or someone entered
a new incorrect value into the Current Transmit String field. Complete the following procedure to clear
either instance.
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