Field-Replaceable Units In Ex4500 Switches - Juniper EX4500 Hardware Manual

You can mount an EX4500 switch on a standard 19-in. two-post rack. You can also mount an EX4500
switch on a standard 19-in. four-post rack or in a standard 19-in. enclosed cabinet.

Field-Replaceable Units in EX4500 Switches

Field-replaceable units (FRUs) are components that you can replace at your site. The FRUs in EX4500
switches are:
Power supplies
Fan tray
Uplink module(s)
Intraconnect module
Virtual Chassis module
SFP+ transceivers
SFP transceivers
NOTE: Uplink modules, transceivers, Virtual Chassis cables, and Virtual Chassis cable connector
retainers are not part of the standard package and must be ordered separately.
The power supplies, fan tray, uplink module(s), and transceivers are hot-removable and hot-insertable:
You can remove and replace them without powering off the switch or disrupting switch functions.
The Intraconnect module and Virtual Chassis module are offline field-replaceable: You can remove and
replace these components, but the switch must be powered off to replace the component.
NOTE: If you have a Juniper J-Care service contract, register any addition, change, or upgrade
of hardware components at
https://www.juniper.net/customers/support/tools/updateinstallbase/
result in significant delays if you need replacement parts. This note does not apply if you replace
existing components with the same type of component.
. Failure to do so can
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