3.3 V 3318 mV
5.0 V 5084 mV
5.6 V 5704 mV
1.8 V bias 1782 mV
3.3 V bias 3286 mV
5.0 V bias 5003 mV
8.0 V bias 7323 mV
BUS Revision 40
The command output displays the status for each SCG slot 0 and 1. The operating status
can be Present, Online, Offline, or Empty. If Online, it can be the clock source (Master
clock) or backup (Standby). The command output displays the temperature of the air
flowing past the SCG. The command output also displays information about the SCG
power supplies and the SCG circuitry revision level.
Display the SCG LED States at the Command Line
Purpose To display the SCG LED states.
Action To display the SCG LED states, use the following command:
user@host> show chassis craft-interface
Sample Output
t320@host> show chassis craft-interface
[...Output truncated...]
SCG LEDs:
SCG 0 1
--------------
Amber . .
Green * *
Blue * .
[...Output truncated...]
Meaning 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: Amber (Fail), Green (OK), and Blue (Master). Both SCGs are functioning
properly (Green). The SCG in slot 0 is operating as master; the SCG in slot 1 is the backup.
Check the SCG LEDs States on the Faceplate
Purpose To check the SCG LEDs states on the faceplate.
Action To view the SCG LEDs, remove the rear component cover and look on the SCG faceplate
at the rear of the router chassis (see “SCG Overview” on page 402).Table 106 on page 405
describes the functions of these LEDs.
Table 106: SCG LEDs
DescriptionStateColorLabel
SCG is online and functioning normally.On steadilyGreenOK
405Copyright © 2012, Juniper Networks, Inc.
Chapter 15: Monitoring the SCGs
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