T320 Component Leds; T320 Alarm Messages Overview - Juniper Core Router T Series Hardware Manual

T320 Component LEDs

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T320 Alarm Messages Overview

Copyright © 2018, Juniper Networks, Inc.
See "T320 Craft Interface Alarm LEDs and ACO/LT Button" on page
The following LEDs are located on various router components and display the status of
those components:
SIB LEDs—Three LEDs on each SIB faceplate—
status of that SIB.
See "T320 SIB LEDs" on page
Control board LEDs—Three LEDs on each control board faceplate indicate the status
of that control board. If no LEDs are lit, the control board is not receiving power.
See "T320 Standard Control Board and T-CB LEDs" on page
PIC LEDs—Each port on each PIC has an LED that indicates the status of the port.
See the T320 Core Router PIC Guide.
SCG LEDs—Three LEDs on each SCG faceplate indicate the status of that SCG.
See "T320 SCG LEDs" on page
Power supply LEDs—One LED on each power supply faceplate indicates the status of
that power supply.
See "T320 Power Supply LEDs" on page
Routing Engine LEDs—One or more LED on each Routing Engine faceplate indicates
the status of that Routing Engine or disk activity.
T320 RE-600 LEDs on page 35
T320 RE-1600 LEDs on page 37
T320 RE-2000 LEDs on page 39
Overview of Troubleshooting Resources for the T320 Router on page 291
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
user@host> show chassis alarms
There are two classes of alarm messages:
T320 Chassis Alarm Messages on page 294
T320 SONET/SDH Alarm Messages on page 294
Chapter 32: Troubleshooting Components
,
ACTIVE OK
86.
20.
84.
show chassis alarms
21.
, and —indicate the
FAIL
32.
CLI command:
293