Replacing Mx480 Host Subsystem Components; Effect Of Taking The Mx480 Host Subsystem Offline; Figure 82: Installing The Fan Tray - Juniper MX480 Hardware Manual

MX480 3D Universal Edge Router Hardware Guide
Related
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Replacing MX480 Host Subsystem Components

Effect of Taking the MX480 Host Subsystem Offline

162

Figure 82: Installing the Fan Tray

Preventing Electrostatic Discharge Damage to an MX480 Router on page 232
Effect of Taking the MX480 Host Subsystem Offline on page 162
Taking an MX480 Host Subsystem Offline on page 164
Operating and Positioning the MX480 SCB Ejectors on page 165
Replacing an MX480 SCB on page 166
Replacing an MX480 Routing Engine on page 176
Replacing an SSD Drive on an RE-A-1800 or RE-S-1800 on page 178
Replacing Connections to MX480 Routing Engine Interface Ports on page 180
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. The host subsystem
is hot-pluggable.
Normally, if two host subsystems are installed in the router, Routing Engine 0 (
functions as the master and Routing Engine 1 (
remove the backup host subsystem (or either of its components) without interrupting
the functioning of the router. If you take the master host subsystem offline, the backup
host subsystem becomes the master (the router might reboot, depending on your
configuration). If the router has only one host subsystem, taking the host subsystem
) functions as the backup. You can
RE1
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RE0 )