Maintaining M40E Power Supplies - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide
Action
Related
Documentation

Maintaining M40e Power Supplies

Action
142
All manuals and user guides at all-guides.com
The router can have a Switching and Forwarding Module (SFM) in each of the slots
labeled SFM 0 and SFM 1 at the rear of the chassis, as shown in "M40e Chassis Description"
on page 8. To maintain the SFMs, regularly:
Check the LEDs on the SFM faceplates. The green LED labeled
the active SFM when it is functioning normally. No LEDs are lit on the standby SFM.
For more information, see "M40e SFM LEDs" on page 23.
Issue the CLI show chassis sfm
in the sample output, when two SFMs are installed the active SFM is marked as
and the standby SFM as
user@host> show chassis sfm
Slot State
0 Online
1 Online - Standby 42
For more detailed output, add the
a slot number ( ), which is optional:
1
user@host> show chassis sfm detail 1
Slot 1 information:
State
SPP Temperature
SPR Temperature
Total CPU DRAM
Total SSRAM
Internet Processor II
For further description of the output from the commands, see the Junos OS System
Basics and Services Command Reference.
Replacing an SFM in an M40e Router on page 206
M40e Switching and Forwarding Module (SFM) Description on page 20
Installing an SFM in an M40e Router on page 207
To verify that the power system is functioning normally, regularly:
Check the LEDs on the faceplate of both power supplies:
An AC power supply is functioning correctly when the green LED labeled
is lit steadily.
A DC power supply is functioning correctly when the green LED labeled
steadily (indicating that the circuit breaker is switched on) and the blue LED labeled
is lit steadily (indicating that the supply is receiving power from the DC
OUTPUT OK
source).
command to check the status of the SFMs. As shown
:
Online - Standby
Temp CPU Utilization (%) Memory
(C) Total Interrupt
39 3
4
option. The following example also specifies
detail
Online - Standby
42 degrees C / 107 degrees F
42 degrees C / 107 degrees F
64 MB
8 MB
Version 1, Foundry IBM, Part number 9
OK lights steadily on
Utilization (%)
DRAM (MB) Heap
0 64 16
0 64 16
OUTPUT OK
CB ON
Copyright © 2010, Juniper Networks, Inc.
,
Online
Buffer
46
46
is lit