Check The Power Supply Leds - Juniper M Series Monitoring And Troubleshooting Manual

Check the Power Supply LEDs

Purpose
Copyright © 2012, Juniper Networks, Inc.
For the M40e, M120, M160, M320, T320, T640, T1600, TX Matrix, and TX Matrix Plus
routers, to display the power supply status, use the following command:
user@host> show chassis environment pem
PEM 0 status:
State
Temperature
DC input
DC output
Load
Voltage:
48.0 V input
48.0 V fan supply
5.0 V bias
8.0 V bias
PEM 1 status:
State
Temperature
DC input
DC output
Load
Voltage:
48.0 V input
48.0 V fan supply
5.0 V bias
8.0 V bias
For each PEM, the command output displays the slot number, status, temperature, DC
input and output, load percentage, and voltage. You can display the status of a particular
power supply by specifying the
For T320, T640, T1600, TX Matrix, and TX Matrix Plus routers, the command output
displays the PEM slot number, status, temperature, DC input status, and DC output for
each Flexible PIC Concentrator (FPC), SONET Clock Generator (SCG), Control Board,
and Switch Interface Board (SIB). You can display the status of a particular power supply
by specifying the number.
slot
user@host> show chassis environment pem
PEM 1 status:
State
Temperature
DC input:
DC Output:
FPC 0
FPC 1
FPC 2
FPC 3
FPC 4
FPC 5
FPC 6
FPC 7
SCG/CB/SIB
To check the power supply status by looking at the LEDs on the faceplate.
Online
OK
OK
OK
Less than 20 percent
69028 mV
48839 mV
5013 mV
8253 mV
Online
OK
OK
OK
Less than 20 percent
69307 mV
49170 mV
4991 mV
8263 mV
number.
slot
Online
33 degrees C / 91 degrees F
OK
Voltage Current
53783 3368
0 0
0 0
0 0
54041 3462
53883 5187
0 0
0 0
54066 4031
Chapter 10: Monitoring Power Supplies
Power Load
181 24
0 0
0 0
0 0
187 24
279 37
0 0
0 0
217 18
293