Field-Replaceable Units In Ex4300 Switches - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide
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Field-Replaceable Units in EX4300 Switches

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You can mount an EX4300 switch on a standard 19-in. two-post or four-post rack. You
can also mount the switch in a standard 19-in. enclosed cabinet.
Rack Requirements on page 93
Cabinet Requirements on page 94
Mounting an EX4300 Switch on page 166
Installing and Connecting an EX4300 Switch on page 165
Installing and Removing EX4300 Switch Hardware Components on page 176
Field-replaceable units (FRUs) are components that you can replace at your site. The
FRUs in EX4300 switches are hot-removable and hot-insertable: You can remove and
replace them without powering off the switch. The FRUs in EX4300 switches are:
Power supplies
Fan modules
Uplink module
Transceivers
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