Table 88: 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)
•
Solid-statedrives (SSDs) of Routing Engines
•
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
MX240 Host Subsystem Description on page 21•
• Tools and Parts Required to Replace MX240 Hardware Components on page 226
• Taking an MX240 Host Subsystem Offline
Tools and Parts Required to Replace MX240 Hardware Components
To replace hardware components, you need the tools and parts listed in
Table 89 on page 227.
To remove components from the router or the router from a rack, you need the following
tools and parts:
•
2.5-mm flat-blade (–) screwdriver, for detaching alarm relay terminal block
•
7/16-in. (11 mm) nut driver
•
Blank panels to cover empty slots
•
Electrostatic bag or antistatic mat, for each component
•
Electrostatic discharge (ESD) grounding wrist strap
•
Flat-blade (–) screwdriver
•
Mechanical lift, if available
•
Phillips (+) screwdrivers, numbers 1 and 2
•
Rubber safety cap for fiber-optic interfaces or cable
•
Wire cutters
Copyright © 2017, Juniper Networks, Inc.226
MX240 3D Universal Edge Router Hardware Guide
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