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T1600 Alarm Messages Overview

 

When the Routing Engine detects an alarm condition, it lights the red or yellow alarm LED on the craft interface as appropriate, trips the corresponding alarm relay contact on the CIP, and reports the cause of the alarm in the craft interface LCD. To view a more detailed description of the alarm cause, issue the show chassis alarms CLI command:

user@host> show chassis alarms

There are two classes of alarm messages:

In Table 1, the text in the column labeled “LCD Message” appears in the LCD. The text in the column labeled “CLI Message” appears in the output from the show chassis alarms command.

Table 1: SONET/SDH Interface Alarm Messages

LCD Message

CLI Message

interface-name so-x/x/x BERR-SD

interface-name so-x/x/x - SONET bit error rate defect

interface-name so-x/x/x BERR-SF

interface-name so-x/x/x - SONET bit error rate fault

interface-name so-x/x/x LAIS

interface-name so-x/x/x - SONET line AIS

interface-name so-x/x/x LOF

interface-name so-x/x/x - SONET loss of frame

interface-name so-x/x/x LOL

interface-name so-x/x/x - SONET loss of light

interface-name so-x/x/x LOP

interface-name so-x/x/x - SONET loss of pointer

interface-name so-x/x/x LOS

interface-name so-x/x/x - SONET loss of signal

interface-name so-x/x/x LRDI

interface-name so-x/x/x - SONET line remote defect indicator

interface-name so-x/x/x PAIS

interface-name so-x/x/x - SONET path AIS

interface-name so-x/x/x PLL

interface-name so-x/x/x - SONET PLL lock

interface-name so-x/x/x PMIS

interface-name so-x/x/x - SONET path mismatch

interface-name so-x/x/x PRDI

interface-name so-x/x/x - SONET path remote defect indicator

interface-name so-x/x/x REI

interface-name so-x/x/x - SONET remote error indicator

interface-name so-x/x/x SEF

interface-name so-x/x/x - SONET severely errored frame

interface-name so-x/x/x UNEQ

interface-name so-x/x/x - SONET unequipped