Replacing Power Supply; Installing An Ac Power Supply In An Ex4300 Switch; Chapter 16 Replacing Power Supply - Juniper EX4300 Hardware Manual

CHAPTER 16

Replacing Power Supply

Installing an AC Power Supply in an EX4300 Switch

Copyright © 2017, Juniper Networks, Inc.
Installing an AC Power Supply in an EX4300 Switch on page 233
Removing an AC Power Supply from an EX4300 Switch on page 235
Installing a DC Power Supply in an EX4300 Switch on page 236
Removing a DC Power Supply from an EX4300 Switch on page 238
The AC power supply in EX4300 switches is a hot-removable and hot-insertable
field-replaceable unit (FRU) installed in the rear panel of the switch: You can remove
and replace it without powering off the switch or disrupting switch functions.
CAUTION: Do not mix:
AC and DC power supplies in the same chassis
Power supplies with different airflow labels (
) in the same chassis.
(AFO)
Fan modules with different airflow labels (
in the same chassis.
Power supplies and fan modules with different airflow labels (
and AIR OUT (AFO)
Before you install an AC power supply in the switch:
Ensure you understand how 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 install the power supply:
ESD grounding strap
Phillips (+) screwdriver, number 2
AIR IN (AFI)
) in the same chassis.
and
AIR IN (AFI) AIR OUT
and
AIR OUT (AFO)
AIR IN (AFI)
313.
)
233