Replacing Ex4200 Components - Juniper QFabric QFX3000-G Hardware Documentation

CHAPTER 46

Replacing EX4200 Components

Removing a Power Supply from an EX4200 Switch
Copyright © 2018, Juniper Networks, Inc.
Removing a Power Supply from an EX4200 Switch on page 695
Installing a Power Supply in an EX4200 Switch on page 697
Removing an Uplink Module from an EX4200 Switch on page 699
Installing an Uplink Module in an EX4200 Switch on page 701
Removing a Fan Tray from an EX4200 Switch on page 703
Installing a Fan Tray in an EX4200 Switch on page 705
The power supply in an EX4200 switch is a hot-removable and hot-insertable
field-replaceable unit (FRU) located on the rear panel of the switch: You can remove
and replace it without powering off the switch or disrupting switch functions.
Ensure that you have the following parts and tools available:
Phillips (+) screwdriver, number 2
An antistatic bag or an antistatic mat
CAUTION: Do not leave the power supply slot empty for a long time while
the switch is on. The power supply must remain in the chassis for proper
airflow.
To remove a power supply from the switch (see
Place the antistatic bag or the antistatic mat on a flat, stable surface.
1.
Disconnect power to the switch by performing one of the following:
2.
AC power supply—If the AC power source outlet has a power switch, set it to the
OFF (0) position. If the AC power source outlet does not have a power switch, gently
pull out the male end of the power cord connected to the power source outlet.
DC power supply—Switch the circuit breaker on the panel board that services the
DC circuit to the OFF position.
Figure 301 on page 696):
695