Figure 297: Removing A Fan Module From Ex4300 Switches Except Ex4300-48Mp And Ex4300-48Mp-S Switches; Figure 298: Removing A Fan Module From Ex4300-48Mp And Ex4300-48Mp-S; Switches - Juniper QFabric QFX3000-G Hardware Documentation

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Documentation
Installing a Fan Module in an EX4300 Switch
Copyright © 2018, Juniper Networks, Inc.
Figure 297: Removing a Fan Module from EX4300 Switches Except EX4300-48MP and
EX4300-48MP-S Switches
Figure 298: Removing a Fan Module from EX4300-48MP and EX4300-48MP-S Switches
NOTE: Both the fan modules must be installed and operational for optimal
functioning of the switch.
Cooling System and Airflow in an EX4300 Switch on page 156
Each fan module 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:
Fan modules with different airflow labels (
in the same chassis.
Power supplies with different airflow labels (
) in the same chassis.
(AFO)
Power supplies and fan modules with different airflow labels (
and
AIR OUT (AFO)
AC and DC power supplies in the same chassis.
Before you install a fan module in the switch:
Chapter 45: Replacing EX4300 Components
AIR IN (AFI)
) in the same chassis.
and
AIR OUT (AFO)
and
AIR IN (AFI) AIR OUT
AIR IN (AFI)
)
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