Replacing Host Subsystem Components; Taking The Host Subsystem Offline; Replacing An Scb; Figure 47: Installing The Air Filter - Juniper SRX 5600 Hardware Manual

SRX 5600 Services Gateway Hardware Guide

Figure 47: Installing the Air Filter

Replacing Host Subsystem Components

To replace a host subsystem, use the following procedures:

Taking the Host Subsystem Offline

The host subsystem is taken offline and brought online as a unit. Before you replace
an SCB or a Routing Engine, you must take the host subsystem offline. Taking the
host subsystem offline causes the device to shut down.
To take the host subsystem offline:
1.
108

Replacing Host Subsystem Components

Taking the Host Subsystem Offline on page 108
Replacing an SCB on page 109
Replacing a Routing Engine on page 112
Replacing Connections to Routing Engine Interface Ports on page 115
On the console or other management device connected to the Routing Engine
that is paired with the SCB you are removing, enter CLI operational mode and
issue the following command. The command shuts down the Routing Engine
cleanly, so its state information is preserved:
user@host> request system halt
Wait until a message appears on the console confirming that the operating system
has halted.
For more information about the command, see the JUNOS System Basics and
Services Command Reference.