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Hot-pluggable FRUs—You can remove and replace these components without powering off the router,
but the routing functions of the system are interrupted when the component is removed.
NOTE:
Before you replace most host subsystem components, such as the RCBs, you must
take the host subsystem offline.
Table 7 on page 39
lists the FRUs for the MX2008 router.
Table 7: Field-Replaceable Units
Hot-Removable and Hot-Insertable FRUs
PSM air filter
Air filter (lower)
Lower cable manager
Craft interface
Switch Fabric Board (SFB) (if redundant)
Backup RCB (if redundant)
Master RCB (if nonstop active routing is
configured)
Modular Port Concentrators (MPCs)
Adapter cards
Modular Interface Cards (MICs)
AC power supply modules (if redundant)
AC power distribution modules (if
redundant)
DC power supply modules (if redundant)
DC power distribution modules (if
redundant)
Fan trays
SEE ALSO
Tools and Parts Required for Replacing MX2008 Hardware Components | 350
Replacing the MX2008 Craft Interface | 358
Replacing an MX2008 Fan Tray | 374
Replacing an MX2008 MPC | 389
Replacing an MX2008 MIC | 378
Hot-Pluggable FRUs
Routing and Control Boards
(RCB) (nonredundant)
Switch Fabric Board (SFB)
(nonredundant)
39
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