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Checklist for T1 Alarms and Errors

Purpose

Table 13 provides commands for checking T1 alarms and errors.

Action

Table 13: Checklist for T1 Alarms and Errors

Tasks

Command or Action
Display T1 Alarms and Errors

show interfaces t1-fpc/pic/port extensive

Locate Most Common T1 Alarms and Errors  
  1. Locate Loss of Signal and Loss of Frame Alarms

Check the connection between the router port and the first T1 network element.

  1. Locate Alarm Indication Signal Alarms

Check the T1 network element connected to the T1 interface.
  1. Locate an Incoming Yellow Alarm

Check the cable between the T1 interface and the directly connected T1 network element.

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