Maintaining The M10I Routing Engine - Juniper M10i Hardware Manual

Action
Related
Documentation

Maintaining the M10i Routing Engine

Purpose
Copyright © 2010, Juniper Networks, Inc.
All manuals and user guides at all-guides.com
Check that the green
OUTPUT OK
For more information about the LED, see "M10i Power Supply LEDs" on page 27.
Issue the following CLI command to check the status of the power supplies. As shown
in the sample output, the value
is operating normally:
user@host> show chassis environment
Class Item
Power Power Supply A
Power Supply B
...
For further description of the output from the command, see the Junos OS System
Basics and Services Command Reference.
Check the red and yellow alarm LEDs on the HCM. Power supply failure or removal
triggers an alarm that causes one or both of the LEDs to light. You can display the
associated error messages by issuing the following CLI command:
user@host> show chassis alarms
For a list of possible alarm messages, see "M10i Hardware and Interface Alarm
Messages" on page 87.
Verify that the power source has the proper current rating and that each power supply
is connected to a separate power source.
Verify that the cable or cord connecting the power supply to the external power source
is securely in place and that there is no moisture accumulating near the router.
Verify that the cable or cord from the power source to the router is not damaged. If the
insulation is cracked or broken, replace the cable or cord immediately.
Verify that the DC power cables or AC power cords do not touch or obstruct access to
other router components, and that they do not drape where people could trip on them.
Verify that the air flow in and out of cooling system components is not obstructed.
M10i Power System Description on page 24
M10i Router Power Requirements on page 188
Troubleshooting the M10i Power System on page 95
Troubleshooting the M10i Power System When LEDs on All Power Supplies Are Off on
page 96
Troubleshooting the M10i Power System When the LED on One Power Supply Is Off
on page 96
For optimum performance, verify the condition of the Routing Engine.
Chapter 13: Maintaining M10i Router Hardware Components
LED is lit on the faceplate of both power supplies.
OK in the Status column indicates that the power supply
Status Measurement
OK
OK
83