Replacing Ex4300 Components - Juniper QFabric QFX3000-G Hardware Documentation

CHAPTER 45

Replacing EX4300 Components

Removing an AC Power Supply from an EX4300 Switch
Copyright © 2018, Juniper Networks, Inc.
Removing an AC Power Supply from an EX4300 Switch on page 681
Installing an AC Power Supply in an EX4300 Switch on page 683
Removing an Uplink Module from an EX4300 Switch on page 685
Installing an Uplink Module in an EX4300 Switch on page 687
Removing a Fan Module from an EX4300 Switch on page 690
Installing a Fan Module in an EX4300 Switch on page 691
The power supplies in EX4300 switches are hot-removable and hot-insertable
field-replaceable units (FRUs) installed in the rear panel of the switch: You can remove
and replace them without powering off the switch or disrupting switch functions.
Before you remove a power supply from an EX4300 switch, ensure that you have taken
the necessary precautions to prevent electrostatic discharge (ESD) damage (see
"Prevention of Electrostatic Discharge Damage" on page
Ensure that you have the following parts and tools available to remove a power supply
from an EX4300 switch:
ESD grounding strap
Phillips (+) screwdriver, number 2 (not provided)
Antistatic bag or an antistatic mat
Replacement power supply or a cover panel for the power supply slot
CAUTION: We recommend that you install either a replacement power supply
or a cover panel in the empty power supply slot to prevent chassis overheating
and dust accumulation.
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