Locate SONET Alarms and Errors

This chapter describes the most common SONET alarms and errors you can encounter when investigating line problems on a Juniper Networks router. For a useful reference for details on SONET interfaces, refer to the Telcordia/Bellcore Standard GR-253 CORE, available from www.telcordia.com.

• List of Common SONET Alarms and Errors
• Display SONET Alarms and Errors
• Locate Most Common SONET Alarms and Errors
• Locate Loss of Signal Alarms
• Locate Alarm Indication Signal Alarms
• Locate Remote Defect Indication Alarms
• Locate Remote Error Indication Line Errors
• Locate Bit Error Rate Alarms
• Locate Payload Label Mismatch Path Alarms
• Locate Loss of Pointer Path Alarms
• Locate Unequipped Payload Alarms
• Locate Phase Lock Loop Alarms