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Field-Replaceable Units (FRUs)
Field-replaceable units (FRUs) are router components that can be replaced
at the customer site. Replacing most FRUs requires minimal router downtime.
The router uses the following types of FRUs:
- Hot-removable and hot-insertable FRUs—You can remove and
replace these components without powering down the router or disrupting the
routing functions.
- FRUs that require powering down the router—You must power
down the router before removing these components.
Table 2 lists the FRUs for the M5 and M10 routers.
Table 2: Field-Replaceable Units
|
Hot-Removable and Hot-Insertable FRUs
|
FRUs That Require Powering Down the Router
|
|
Fan tray with cable management system
Physical Interface Card (PIC)
Power supply (AC or DC)
Small form factor pluggable (SFP)
|
Forwarding Engine Board FEB)
Routing Engine
|
For FRU replacement instructions, see Replace
Hardware Components.
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