Table 106: Scg Leds; Display The Scg Led States At The Command Line; Check The Scg Leds States On The Faceplate - Juniper M Series Monitoring And Troubleshooting Manual

Display the SCG LED States at the Command Line

Purpose
Action
Sample Output
Meaning

Check the SCG LEDs States on the Faceplate

Purpose
Action
Copyright © 2012, Juniper Networks, Inc.
3.3 V
5.0 V
5.6 V
1.8 V bias
3.3 V bias
5.0 V bias
8.0 V bias
BUS Revision
The command output displays the status for each SCG slot 0 and 1. The operating status
can be Present , Online , Offline
) or backup (
clock Standby
flowing past the SCG. The command output also displays information about the SCG
power supplies and the SCG circuitry revision level.
To display the SCG LED states.
To display the SCG LED states, use the following command:
user@host> show chassis craft-interface
show chassis craft-interface
t320@host>
[...Output truncated...]
SCG LEDs:
SCG 0 1
--------------
Amber . .
Green * *
Blue * .
[...Output truncated...]
The command output displays the SCG LED status. The router has two SCGs installed.
Asterisks (*) indicate the operation status. The color represents the possible SCG
operating states: (Fail),
Amber
properly (Green). The SCG in slot 0 is operating as master; the SCG in slot 1 is the backup.
To check the SCG LEDs states on the faceplate.
To view the SCG LEDs, remove the rear component cover and look on the SCG faceplate
at the rear of the router chassis (see
describes the functions of these LEDs.

Table 106: SCG LEDs

Label Color
Green
OK
3318 mV
5084 mV
5704 mV
1782 mV
3286 mV
5003 mV
7323 mV
40
, or Empty . If Online , it can be the clock source (
). The command output displays the temperature of the air
(OK), and (Master). Both SCGs are functioning
Green Blue
"SCG Overview" on page 402).Table 106 on page 405
State Description
On steadily SCG is online and functioning normally.
Chapter 15: Monitoring the SCGs
Master
405