Juniper EX3200 Series Instruction Manual

Installing a Fan Tray in an EX3200 or EX4200 Switch
EX3200 and EX4200 switches have a single fan tray on the rear panel. The fan tray
is a hot-removable and hot-insertable field-replaceable unit (FRU): 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:
■A Phillips (+) screwdriver, number 2
To install a fan tray in an EX3200 or EX4200 switch chassis (see Figure 1 and Figure
2):
CAUTION: If you are installing a fan tray in an EX3200 switch, ensure the fan faces
upwards. If you are installing a fan tray in an EX4200 switch, ensure the fans face
downwards.
1. Remove the fan tray from its bag. Using both hands, align the tray with the fan
tray guides on the fan tray slot on the rear panel of the chassis and slide it in
until it is fully seated.
2. Tighten the screw or screws on the fan tray by using the screwdriver.
Figure 1: Installing a Fan Tray in an EX3200 Switch
Figure 2: Installing a Fan Tray in an EX4200 Switch
Installing a Fan Tray in an EX3200 or EX4200 Switch ■1

Related Topics ■Removing a Fan Tray from an EX3200 or EX4200 Switch
■Installing and Removing EX3200 and EX4200 Switch Hardware Components
■Cooling System and Airflow in an EX3200 Switch
■Cooling System and Airflow in an EX4200 Switch
■Field-Replaceable Units in EX3200 and EX4200 Switches
■Rear Panel of an EX3200 Switch
■Rear Panel of an EX4200 Switch
Published: 2010-04-26
2■Installing a Fan Tray in an EX3200 or EX4200 Switch