Overview Of Removing And Installing Components; Ptx5000 Field-Replaceable Units; Chapter 24 Overview Of Removing And Installing Components - Juniper PTX5000 Hardware Manual

Packet transport router

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Overview of Removing and Installing

PTX5000 Field-Replaceable Units on page 259

Tools and Parts Required for Replacing PTX5000 Hardware Components on page 260

Field-replaceable units (FRUs) are packet transport router components that can be

replaced at the customer site. Replacing most FRUs requires minimal packet transport

router downtime. The packet transport router uses the following types of FRUs:

Hot-removable and hot-insertable FRUs—You can remove and replace these

components without powering off the packet transport router or disrupting the routing

Hot-pluggable FRUs—You can remove and replace these components without powering

down the packet transport router, but the routing functions of the system are interrupted

when the component is removed.

Before you replace a component in the host subsystem, you must take the host subsystem

Table 79 on page 260

lists the FRUs for the PTX5000.

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