• Installing and Removing EX3200 Switch Hardware Components on page 152
• Cooling System and Airflow in an EX3200 Switch on page 27
• Field-Replaceable Units in EX3200 Switches on page 8
• Rear Panel of an EX3200 Switch on page 10
Removing a Fan Tray from an EX3200 Switch
EX3200 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:
•
Phillips (+) screwdriver, number 2
•
An antistatic bag or an antistatic mat
To remove a fan tray from the switch:
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Loosen the screw or screws securing the fan tray by using the screwdriver.
WARNING: To avoid injury, do not touch the fan with your hands or any
tools as you slide the fan tray out of the chassis—the fan may still be
running.
3. Grasp the handle on the fan tray and pull firmly to slide the fan tray halfway out of
the chassis.
4. When the fan stops spinning, slide the fan tray completely out of the chassis.
5. Place the fan tray in the antistatic bag or on the antistatic mat placed on a flat, stable
surface.
Figure 49: Removing a Fan Tray from an EX3200 Switch
NOTE: When a fan tray is removed, Fan/Blower is Absent is logged in the
system log and the system raises a minor alarm.
Copyright © 2016, Juniper Networks, Inc.188
EX3200 Switch Hardware Guide
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