Juniper T4000 Hardware Manual page 394

T4000 Core Router Hardware Guide
Solution
364
Table 88 on page 366 lists alarms for the power system, including the solution.
Table 89 on page 367 lists abnormal LED states for the power supplies, including the
solution.
Check the display on the craft interface to determine the source of a yellow or red
1.
alarm (see Table 88 on page
information for each component.
NOTE: On the display and in the CLI, the power supplies are referred to
as PEM0 and
If the system temperature exceeds the threshold, Junos OS shuts down
all power supplies so that no status is displayed.
Junos OS also can shut down one of the power supplies for other reasons.
In that case, the remaining power supply assumes the load, and you can
still view the system status through the CLI or display.
Issue the
2. show chassis alarms
Table 88 on page 366.
Check the LEDs on each six-input DC power supply faceplate. See
3.
Use the show chassis environment pem
4.
user@host> show chassis environment pem
PEM 0 status:
State
Temperature
DC Input:
INPUT 0
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
DC Output
FPC 0
FPC 1
FPC 2
FPC 3
FPC 4
FPC 5
FPC 6
FPC 7
SCG/CB/SIB
FAN
366). Junos OS constantly updates the screen with status
PEM1 , from top to bottom.
command to check for power system alarms. See
command.
Online
34 degrees C / 93 degrees F
OK
Voltage(V) Current(A)
53.500 7.437
53.750 10.812
53.125 9.562
53.625 11.125
53.750 9.875
53.250 9.500
Voltage(V) Current(A)
0.000 0.000
0.000 0.000
0.000 0.000
0.000 0.000
55.375 9.562
0.062 0.000
55.062 9.000
55.437 9.000
55.375 15.375
49.000 7.875
Table 89 on page
Power(W) Load(%)
397 52
581 77
507 67
596 79
530 70
505 67
Power(W) Load(%)
0 0
0 0
0 0
0 0
529 70
0 0
495 66
498 66
851 70
385 51
Copyright © 2018, Juniper Networks, Inc.
367.