Troubleshooting The Mx480 Power System - Juniper MX480 Hardware Manual

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Troubleshooting the MX480 Power System

Problem
Solution
Copyright © 2019, Juniper Networks, Inc.
user@host> show chassis fpc pic-status
Slot 0 Online
PIC 0 Online
PIC 1 Online
PIC 2 Online
PIC 3 Online
Slot 1 Online
PIC 0 Online
PIC 1 Online
Slot 2 Online
PIC 0 Online
PIC 1 Online
Slot 3 Online
PIC 0 Online
PIC 1 Online
Slot 4 Online
PIC 0 Online
PIC 1 Online
PIC 2 Online
PIC 3 Online
For further description of the output from the command, see the
MX480 Flexible PIC Concentrator (FPC) Description on page 98
Replacing an MX480 PIC on page 303
Maintaining MX480 PICs on page 302
MX480 PIC Serial Number Label on page 375
Description: The power system is not functioning normally.
Check the LEDs on each power supply faceplate.
If an AC power supply is correctly installed and functioning normally, the
DC OK LED's light steadily, and the
If a DC power supply is correctly installed and functioning normally, the
, and
INPUT OK BREAKER ON
Issue the CLI show chassis environment pem
power supply modules. As shown in the sample output, the value
labeled indicates that each power supply is functioning normally:
State
user@host> show chassis environment pem
PEM 0 status:
State
Temperature
DC output
PEM 1 status:
DPC 40x 1GE R
10x 1GE(LAN)
10x 1GE(LAN)
10x 1GE(LAN)
10x 1GE(LAN)
MX FPC Type 3
1x OC-192 SONET
1x OC-192 SONET
MS-DPC
MS-DPC PIC
MS-DPC PIC
MPC Type 2 3D EQ
1x 10GE XFP
1x 10GE XFP
MPC 3D 16x 10GE
4x 10GE(LAN) SFP+
4x 10GE(LAN) SFP+
4x 10GE(LAN) SFP+
4x 10GE(LAN) SFP+
PS FAIL LED is not lit.
LED's light steadily.
command to check the status of installed
Online
OK
OK
Chapter 5: Troubleshooting Hardware
.
CLI Explorer
AC OK
PWR_OK
in the rows
Online
and
,
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