T640 Alarm Messages Overview; Chassis Alarm Messages; Interface Alarm Messages; Table 92: Sonet/Sdh Interface Alarm Messages - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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T640 Alarm Messages Overview

Chassis Alarm Messages

Interface Alarm Messages

466
T640 Chassis Description on page 15
T640 Component Serial Number Label Locations on page 486
Replacing a T640 Craft Interface on page 265
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
CLI command:
user@host> show chassis alarms
There are two classes of alarm messages:chassis alarms and interface alarms:
Chassis Alarm Messages on page 466
Interface Alarm Messages on page 466
Chassis alarms indicate a problem with a chassis component such as the cooling system
or power supplies.
Interface alarms Indicate a problem with a specific network interface.
In Table 92 on page 466, 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 92: SONET/SDH Interface Alarm Messages

LCD Message
interface-name so-x/x/x BERR-SD
interface-name so-x/x/x BERR-SF
interface-name so-x/x/x LAIS
interface-name so-x/x/x LOF
interface-name so-x/x/x LOL
interface-name so-x/x/x LOP
interface-name so-x/x/x LOS
CLI Message
interface-name so-x/x/x - SONET bit error rate defect
interface-name so-x/x/x - SONET bit error rate fault
interface-name so-x/x/x - SONET line AIS
interface-name so-x/x/x - SONET loss of frame
interface-name so-x/x/x - SONET loss of light
interface-name so-x/x/x - SONET loss of pointer
interface-name so-x/x/x - SONET loss of signal
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show chassis alarms