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T4000 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, 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 alarms1 alarms currently active Alarm time Class Description 2011-12-08 21:05:15 PST Minor PEM 1 Absent
There are two classes of alarm messages:
Chassis Alarms
Chassis alarms Indicate a problem with a chassis component such as the cooling system or power supplies. For more information about chassis alarms for each component, see the following topics:
Interface Alarms
Interface alarms Indicate a problem with a specific network interface, as described in Table 1.
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 |