JUNOS Internet Software Network Operations Guide: Hardware
Alternative Action
Step 2: Display the SCG LED States at the Command Line
Action
Sample Output
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318
Monitoring the SCG Status
If there is a problem with the SCG status, you can display more detailed SCG
environmental information with the following CLI command:
user@host> show chassis environment scg
The command output is as follows:
t320@host> show chassis environment scg
SCG 0 status:
State
Temperature
Power:
GROUND
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
SCG 1 status:
State
Temperature
Power:
GROUND
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 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.
To display the SCG LED states, use the following CLI command:
user@host> show chassis craft-interface
t320@host> show chassis craft-interface
[...Output truncated...]
SCG LEDs:
SCG
0
1
--------------
Amber
.
.
Green
*
*
Blue
*
.
[...Output truncated...]
Online -
Master clock
30 degrees C / 86 degrees F
0 mV
3317 mV
5072 mV
5697 mV
1794 mV
3304 mV
4991 mV
7318 mV
40
Online - Standby
29 degrees C / 84 degrees F
0 mV
3318 mV
5084 mV
5704 mV
1782 mV
3286 mV
5003 mV
7323 mV
40
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