Installing An Ac Power Supply In An Ex4300 Switch - Juniper QFX5110 Series Hardware Documentation

Removing an AC Power Supply from an EX4300 Switch
Installing a Fan Module in an EX4300 Switch on page 469
Removing a Fan Module from an EX4300 Switch
Installing an Uplink Module in an EX4300 Switch on page 471
Removing an Uplink Module from an EX4300 Switch
Install a Transceiver on page 473
Remove a Transceiver on page 478
Install a QSFP28 Transceiver
Remove a QSFP28 Transceiver

Installing an AC Power Supply in an EX4300 Switch

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:
AC and DC power supplies in the same chassis
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
Before you install an AC power supply in the switch:
Ensure you understand how to prevent electrostatic discharge (ESD) damage. See
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
Do not mix:
242.
"Prevention of
465