Table 82: Chassis Alarm Messages For The Scgs - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
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350
In Table 82 on page 350, the text in the column labeled "LCD Message" appears in the
display of the craft interface. The text in the column labeled "CLI Message" appears in
the output from the
show chassis alarms

Table 82: Chassis Alarm Messages for the SCGs

Alarm Type LCD Message
Red SCG
Failure
SCG
Removed
Yellow
SCG
Online
To troubleshoot the SCGs:
Check the LEDs on the faceplate of each SCG.
1.
Check the LEDs on the craft interface.
2.
Use the show chassis environment scg
3.
user@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
GBUS Revision
FPGA Revision
Use the CLI to check for alarms—Issue the
4.
alarms.
T4000 SONET Clock Generators (SCGs) Description on page 20
T4000 SONET Clock Generators (SCGs) LEDs on page 22
Maintaining the T4000 SCGs on page 333
Replacing a T4000 SCG on page 256
command.
CLI Message
SCG-number SCG SCG-number
SCG-number SCG-number
SCG
SCG-number SCG-number
Not SCG
command.
Online - Master clock
31 degrees C / 87 degrees F
0 mV
3310 mV
5052 mV
5689 mV
1782 mV
3306 mV
4989 mV
8336 mV
40
1.6
show chassis alarms
Failure
Removed
Not Online
command to view the
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