Maintaining The Ex8208 Cooling System; Removing A Fan Tray From An Ex8208 Switch - Juniper EX8208 Hardware Manual

Maintaining the EX8208 Cooling System

IN THIS SECTION

Removing a Fan Tray from an EX8208 Switch | 235

Installing a Fan Tray in an EX8208 Switch | 237
Removing a Fan Tray from an EX8208 Switch
An EX8208 switch has a single, field-replaceable fan tray. The fan tray is a hot-removable and hot-insertable
field-replaceable unit (FRU); you can remove and replace the fan tray while the switch is running without
turning off power to the switch or disrupting switching functions.
CAUTION:
The fan tray is installed vertically on the left side on the front of the chassis.
Before you remove a fan tray:
Ensure you understand how to prevent ESD damage. See
on page 381.
Ensure that you have the following parts and tools available to remove a fan tray from an EX8208 switch
chassis:
Electrostatic discharge (ESD) grounding strap
Replacement fan tray
CAUTION:
However, the fan tray must be replaced within 2 minutes of removing the fan tray to
prevent overheating of the chassis.
To remove a fan tray from an EX8208 switch chassis (see
Do not remove the fan tray unless you have a replacement fan tray available.
The fan tray can be removed and replaced while the switch is operating.
"Prevention of Electrostatic Discharge Damage"
Figure 66 on page 236):
235