Juniper QFX5100, Руководство по оборудованию

Страница: 221 / 256

Before you remove a fan module from a QFX5100 switch, ensure that you have taken
the necessary precautions to prevent electrostatic discharge (ESD) damage (see
“Prevention of Electrostatic Discharge Damage” on page 142 ).
Ensure that you have the following parts and tools available to remove a fan module
from a QFX5100 switch:
• ESD grounding strap
• Antistatic bag or an antistatic mat
To remove a fan module from a QFX5100 switch (see Figure 57 on page 203 and
Figure 58 on page 204 ):
1.
Place the antistatic bag or the antistatic mat on a flat, stable surface.
2.
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
point on the chassis.
3.
Using a Phillips screwdriver, loosen the locking screw (3 or 4 turns).
4.
Grasp the handle on the fan module and squeeze the outside of the handle to release
the module.
WARNING: To avoid injury, do not touch the fan with your hands or any
tools as you slide the fan module out of the chassis—the fan might still
be running.
5.
Pull firmly to slide the fan module halfway out of the chassis.
6.
When the fan stop spinning, slide the fan module completely out of the chassis.
7.
Place the fan module in the antistatic bag or on the antistatic mat placed on a flat,
stable surface.
Figure 57: Removing a Fan Module from a 1 U QFX5100 Switch
QFX5100-48S
RUNNING
JUN OS
203 Copyright © 2014, Juniper Networks, Inc.
Chapter 20: Replacing Components