Juniper-networks MX480 Manual de usuario Pagina 186

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Table 24 on page 162 lists the FRUs for the MX480 router. Before you replace an SCB or
a Routing Engine, you must take the host subsystem offline.
Table 24: Field-Replaceable Units
Hot-Pluggable FRUsHot-Removable and Hot-Insertable FRUs
Master Switch Control Board (SCB) (if
nonstop active routing is not configured)
Master Routing Engine (if nonstop active
routing is not configured)
Switch Control Board (SCB) (nonredundant)
Routing Engine (nonredundant)
Air filter
Craft interface
Backup Switch Control Board (SCB) (if
redundant)
Master Switch Control Board (SCB) (if
nonstop active routing is configured)
Backup Routing Engine (if redundant)
Master Routing Engine (if nonstop active
routing is configured)
Dense Port Concentrators (DPCs)
Flexible PIC Concentrators (FPCs)
Modular Port Concentrators (MPCs)
Modular Interface Cards (MICs)
PICs
AC and DC power supplies (if redundant)
Fan tray
Related
Documentation
MX480 Component Redundancy on page 4
Tools and Parts Required to Replace MX480 Hardware Components on page 162
Tools and Parts Required to Replace MX480 Hardware Components
To replace hardware components, you need the tools and parts listed in Table 25 on
page 162.
Table 25: Tools and Parts Required
ComponentsTool or Part
Alarm relay terminal block2.5-mm flat-blade (–) screwdriver
DC power supply
Cables and connectors
7/16-in. (11 mm) nut driver or socket
wrench
DPC
FPC
PIC
MPC
MIC
Power supply
Routing Engine
SCB
Blank panels (if component is not
reinstalled)
Copyright © 2013, Juniper Networks, Inc.162
MX480 3D Universal Edge Router Hardware Guide
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