Juniper T4000 Hardware Manual page 229

Copyright © 2013, Juniper Networks, Inc.
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
Verify that the customer site circuit breaker for each input has the proper current
5.
rating.
NOTE: All inputs on a DC power supply in slot PEM0 must be powered
by dedicated power feeds derived from feed A, and all inputs on a DC
power supply in slot PEM1 must be powered by dedicated power feeds
derived from feed B. This configuration provides the commonly deployed
A/B feed redundancy for the system.
Verify that the DC power cables from the power source to the router are not damaged.
6.
If the insulation is cracked or broken, immediately replace the DC power cable .
Connect the power supply to a different power source with a new DC power cable. If
7.
the power supply DC OK
problem. Replace the power supply with a spare. If the
spare still does not light—The replaced power supply might also be faulty. To return
it for replacement, see
If you cannot determine the cause of the problem or need additional assistance, see
8.
"Contacting Customer Support" on page
In Table 36 on page 206, 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
Chapter 18: Troubleshooting T4000 Router Hardware Components
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
LED still does not light, the power supply is the source of the
"Contacting Customer Support" on page
353.
command.
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
LED on the installed
DC OK
353.
205