Replacing Cooling System Component; Installing A Fan Tray In An Ex9200 Switch; Chapter 16 Replacing Cooling System Component - Juniper EX9214 Hardware Manual

CHAPTER 16

Replacing Cooling System Component

Installing a Fan Tray in an EX9200 Switch

Copyright © 2015, Juniper Networks, Inc.
Installing a Fan Tray in an EX9200 Switch on page 175
Removing a Fan Tray from an EX9200 Switch on page 178
The fan tray in an EX9200 switch is a hot-insertable and hot-removable field-replaceable
unit (FRU); You can remove and replace it while the switch is running without turning off
power to the switch or disrupting switching functions.
Before you begin to install a fan tray:
Ensure you understand how to prevent electrostatic discharge (ESD) damage. See
"Prevention of Electrostatic Discharge Damage" on page
Ensure that you have the following parts and tools available:
ESD grounding strap
Phillips (+) screwdrivers, number 1 and 2
CAUTION: The fan tray can be removed and replaced while the switch is
operating. However, the fan tray must be replaced within 2 minutes of
removing the fan tray to prevent the chassis from overheating.
To install a fan tray in an EX9200 switch:
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
1.
point on the chassis.
Grasp the fan tray handle, and insert it straight into the chassis. Note the correct
2.
orientation by the This side up
Tighten the captive screws using a screwdriver on the fan tray faceplate to secure it
3.
in the chassis.
Figure 51 on page 176 shows installing a fan try in an EX9208 switch. The procedure and
orientation of the fan tray are the same for EX9204. The procedure is the same for EX9214
305.
label on the top surface of the fan tray.
175