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Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
78-18663-01
Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.7.54 MS-EOC
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
SDH Logical Object: STM
The multiplex-section DCC (MS-DCC) Termination Failure alarm occurs when the
ONS 15310-MA SDH loses its MS-DCC termination. The MS-DCC consists of nine bytes, D4 through
D12, that convey information about OAM&P and network management information in the SDH
overhead.
Warning
Invisible laser radiation could be emitted from the end of the unterminated fiber cable or connector.
Do not stare into the beam directly with optical instruments. Viewing the laser output with certain
optical instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of
100 mm could pose an eye hazard.
Statement 1056
Warning
Use of controls, adjustments, or performing procedures other than those specified could result in
hazardous radiation exposure.
Statement 1057
Note If a circuit shows an incomplete state when the EOC or MS-EOC alarm is raised, it occurs when the
logical circuit is in place. The circuit is able to carry traffic when the DCC termination issue is resolved.
You do not need to delete the circuit when troubleshooting this alarm.
Clear the MS-EOC Alarm
Step 1 Complete the “Clear the EOC Alarm” procedure on page 2-51.
Step 2 If the alarm has not cleared, call Cisco TAC (1-800-553-2447).
2.7.55 EQPT
Default Severity: Critical (CR), Service-Affecting (SA)
SDH Logical Object: EQPT
DWDM Logical Object: PPM
An Equipment Failure alarm indicates that a hardware failure has occurred on the reporting card. If the
EQPT alarm occurs with a BKUPMEMP alarm, refer to the “BKUPMEMP” alarm on page 2-32. The
BKUPMEMP procedure also clears the EQPT alarm.
Clear the EQPT Alarm
Step 1 If traffic is active on the alarmed port, you might need to switch traffic away from it. See the
“2.9.1 Protection Switching, Lock Initiation, and Clearing” section on page 2-146 for commonly used
traffic-switching procedures.
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