Figure 97: Fan Tray Controller - Juniper QFX10008 Hardware Manual

QFX10008 Switch Hardware Guide
186
replace one fan tray controller while the switch is running without turning off power to
the switch or disrupting switching functions. See

Figure 97: 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
QFX10008 Fan Tray" on page 181
page 184.
Ensure that you have the following parts and tools available to install a fan tray controller
into a QFX10008 chassis:
Electrostatic discharge (ESD) grounding strap
Replacement fan tray controller
A Phillips (+) screwdriver, number 1 for the captive screws
To install a fan tray controller:
Remove the replacement fan tray controller from the electrostatic bag.
1.
Carefully slide the fan tray controller into the fan tray controller slot until it is flush
2.
with the mounting holes. See
Figure 97 on page
293.
and "Removing a QFX10008 Fan Tray Controller" on
Figure 98 on page 187.
Copyright © 2019, Juniper Networks, Inc.
186.
"Prevention of Electrostatic
"Removing a