Clear The Ms-Eoc Alarm; Ms-Exc; Clear The Ms-Exc Condition; Ms-Rfi - Cisco ONS 15600 SDH Troubleshooting Manual

Chapter 2 Alarm Troubleshooting
The MS-DCC Termination Failure alarm occurs when the ONS 15600 SDH loses its data
communications channel. The DCC is three bytes, D1 through D3, in the SDH overhead. The bytes
convey information about Operation, Administration, Maintenance, and Provisioning (OAM&P). The
ONS 15600 SDH uses the DCC on the SDH section overhead to communicate network management
information.

Clear the MS-EOC Alarm

Complete the
Step 1
If the condition does not clear, log into the Cisco Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or log into
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml to obtain a directory of toll-free
Technical Support numbers for your country.

2.6.151 MS-EXC

The Multiplex Section Excessive Errors condition occurs when the multiplex section overhead of the
STM1E object falls past the fail threshold set on the node.

Clear the MS-EXC Condition

Determine the threshold. If adjustment is acceptable in site practices, adjust the threshold.
Step 1
Using an optical test set, measure the input power level of the line and ensure that the level is within the
guidelines. For specific procedures to use the test set equipment, consult the manufacturer.
Verify the input fiber cable connections to the reporting card.
Step 2
Clean the input fiber cable ends according to site practice.
Step 3
If the condition does not clear, log into the Cisco Technical Support Website at
Step 4
http://www.cisco.com/techsupport for more information or log into
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml to obtain a directory of toll-free
Technical Support numbers for your country.

2.6.152 MS-RFI

The MS Remote Fault Indication (RFI) condition indicates that there is an RFI occurring at the SDH
overhead multiplexing section level.
July 2010
"Clear the EOC Alarm" procedure on page
Default Severity:Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Object: STMN
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SDH Logical Objects: STMN
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Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
2.6.151 MS-EXC
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