Installing A Qfx10000 Fan Tray Controller; Figure 83: Fan Tray Controller - Juniper QFX10016 Hardware Manual

Installing a QFX10000 Fan Tray Controller

Copyright © 2017, Juniper Networks, Inc.
QFX10000 Field-Replaceable Units on page 20
For each of the two fan trays, there is a fan tray controller. Each controller is a
hot-removable and hot-insertable field-replaceable unit (FRU); you can remove and
replace one fan tray controller while the switch is running without turning off power to
the switch or disrupting switching functions. See

Figure 83: Fan Tray Controller

CAUTION: Do not remove the fan tray controller unless you have a
replacement controller available.
In order to access a fan tray controller, you must first remove the associated fan tray.
With the fan tray removed, the fan tray controller is installed horizontally above the
Switch Interface Boards (SIBs) at the top of the chassis.
Before you replace a fan tray controller:
Ensure you understand how to prevent ESD damage. See
Discharge Damage" on page
You have removed the associated fan tray and fan tray controller. See
QFX10000 Fan Tray" on page 180
page 187.
Ensure that you have the following parts and tools available to install a fan tray controller
into a QFX10000:
Electrostatic discharge (ESD) grounding strap
Replacement fan tray controller
A Phillips (+) screwdriver, number 1 for the captive screws
Chapter 16: Replacing Cooling System Components
Figure 83 on page
327.
and "Removing a QFX10000 Fan Tray Controller" on
185.
"Prevention of Electrostatic
"Removing a
185