Figure 307: Installing A Fan Tray In An Ex4200 Switch - Juniper QFabric QFX3000-G Hardware Documentation

Installing a Fan Tray in an EX4200 Switch
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Copyright © 2018, Juniper Networks, Inc.
The fan tray 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.
All the EX4200 switch models, except the EX4200-24F-S and EX4200-48T-S switches
are shipped with one fan tray pre-installed in the rear panel of the switches.
EX4200-24F-S and EX4200-48T-S switches are not shipped with pre-installed fan tray;
you must order them separately.
Ensure that you have the following parts and tools available:
A Phillips (+) screwdriver, number 2
To install a fan tray in an EX4200 switch chassis (see
CAUTION: If you are installing a fan tray in an EX4200 switch, ensure the
fans face downwards.
Remove the fan tray from its bag. Using both hands, align the tray with the fan tray
1.
guides on the fan tray slot on the rear panel of the chassis and slide it in until it is fully
seated.
Tighten the screw or screws on the fan tray by using the screwdriver.
2.

Figure 307: Installing a Fan Tray in an EX4200 Switch

Removing a Fan Tray from an EX4200 Switch on page 703
Installing and Removing EX4200 Switch Hardware Components
Cooling System and Airflow in an EX4200 Switch on page 187
Field-Replaceable Units in EX4200 Switches on page 185
Rear Panel of an EX4200 Switch
Chapter 46: Replacing EX4200 Components
Figure 307 on page 705):
705