Ensure that you have the following parts and tools available to install a fan tray in a
QFX3500 device:
•
ESD grounding strap
To install a fan tray in a QFX3500 device (see Figure 50 on page 123):
1. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
point on the chassis.
2. Taking care not to touch the connectors, remove the fan tray from its bag.
3. Using both hands, align the tray with the fan tray slot on the front panel of the chassis
and slide it in until it is fully seated and the locking lever slides into place.
CAUTION: Damage can occur if you attempt to install a fan tray into a
chassiswith a different airflow direction. Check the devicemodel to ensure
that you are installing a fan tray with the same airflow direction as the
chassis. The fan trays are designed so that they can only be inserted into
the QFX3500 device model that supports the same airflow type. See
“Cooling System and Airflow for a QFX3500 Device” on page 29 for more
information.
Figure 50: Installing a Fan Tray in a QFX3500 Device
Related
Documentation
Removing a Fan Tray from a QFX3500 Device on page 123•
Removing a Fan Tray from a QFX3500 Device
The fan trays in QFX3500 devices are hot-removable and hot-insertable field-replaceable
units (FRUs): you can remove and replace them without powering off the device or
disrupting device functions.
123Copyright © 2017, Juniper Networks, Inc.
Chapter 13: Replacing Components
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