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TX Matrix Hardware Guide
TX Matrix Field-Replaceable Units (FRUs)
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Documentation
Tools and Parts Required for Replacing TX Matrix Components
224
Field-replaceable units (FRUs) are TX Matrix router components that can be replaced
at the customer site. Replacing most FRUs requires minimal TX Matrix router downtime.
The TX Matrix router uses the following types of FRUs:
Hot-removable and hot-insertable FRUs—You can remove and replace these
components without powering down the TX Matrix router or disrupting the routing
functions.
Hot-pluggable FRUs—You can remove and replace these components without powering
down the TX Matrix router, but the routing functions of the system are interrupted
when the component is removed.
Table 28 on page 224 lists the FRUs for the TX Matrix router. If the TX Matrix router contains
a redundant host subsystem, the TX Matrix router Control Board (TX-CB), and the Routing
Engine are hot-removable and hot-insertable. Before you replace a TX-CB or a Routing
Engine, you must take the host subsystem offline (see "Taking a TX Matrix Host Subsystem
Offline" on page 247).
Table 28: Field-Replaceable Units
Hot-removable and hot-insertable FRUs
Air filters
Connector Interface Panels (TX-CIPs)
Craft interface
Front and rear fan trays
Power supplies
Switch Interface Boards (TX-SIBs)
Backup Control Boards (TX-CBs)
Master Control Boards (TX-CBs) (if nonstop
active routing is configured)
Backup Routing Engines
Master Routing Engines (if nonstop active
routing is configured)
TX Matrix Component Redundancy on page 18
TX Matrix Router Description on page 3
To replace hardware components, you need the tools and parts listed in Table 29 on
page 225.
Hot-pluggable FRUs
MasterControl Boards (TX-CBs) (if nonstop
active routing is not configured)
Master Routing Engines (if nonstop active
routing is not configured)
Copyright © 2010, Juniper Networks, Inc.
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