Replacing An M320 Cb, Routing Engine, Or Routing Engine Component; Replacing An M320 Cb; Removing An M320 Cb - Juniper M320 Hardware Manual

Replacing an M320 CB, Routing Engine, or Routing Engine Component

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Documentation

Replacing an M320 CB

Removing an M320 CB

Copyright © 2010, Juniper Networks, Inc.
Wait until a message appears on the console confirming that the operating system
has halted.
For more information about the command, see the Junos OS System Basics and Services
Command Reference.
NOTE: The SIB might continue forwarding traffic for approximately five
minutes after the
On the console or other management device connected to the other Routing Engine,
4.
enter CLI operational mode and issue the following command.
user@host>> request chassis cb offline slot n , where n is 0 or 1 for the slot
number of the affected host subsystem.
After you take the host subsystem offline, you can replace the following host subsystem
components:
Replacing an M320 CB on page 163
Replacing an M320 Routing Engine on page 166
Replacing a DIMM Module in an M320 Routing Engine on page 168
NOTE: Taking the host subsystem offline is not required for "Inserting or
Removing a PC Card from an M320 Routing Engine" on page 170.
M320 Host Subsystem Description on page 18
Maintaining the M320 Host Subsystem on page 111
Removing an M320 CB on page 163
Installing an M320 CB on page 165
The router can have one or two CBs. They are located in the upper rear of the chassis in
the slots marked and
CB0
Chapter 13: Replacing the M320 Router Hardware Components
command has been issued.
request system halt
. Each weighs approximately 3.4 lb (1.5 kg).
CB1
163