Technical Documentation
Related Documentation
T640 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 alarmsThere are two classes of alarm messages:chassis alarms and interface alarms:
Chassis Alarm Messages
Chassis alarms indicate a problem with a chassis component such as the cooling system or power supplies.
Interface Alarm Messages
Interface alarms Indicate a problem with a specific network interface.
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 |
