QFX3500 device, follow the instructions in “Removing a Power Supply from a QFX3500
Device” on page 127.
To install a fan tray in a QFX3500 device, follow the instructions in “Installing a Fan Tray
in a QFX3500 Device” on page 122. To remove a fan tray from a QFX3500 device, follow
the instructions in “Removing a Fan Tray from a QFX3500 Device” on page 123.
To install a management board in a QFX3500 device, follow the instructions in “Installing
a Management Board in a QFX3500 Device” on page 128. To remove a management
board from a QFX3500 device, follow the instructions in “Removing a Management Board
from a QFX3500 Device” on page 130.
To install an SFP, SFP+, or QSFP+ transceiver in a QFX3500 device, follow the instructions
in Installing a Transceiver in a QFX Series Device. To remove an SFP, SFP+, or QSFP+
transceiver from a QFX3500 device, follow the instructions in Removing a Transceiver
from a QFX Series Device.
To connect a fiber-optic cable to an SFP, SFP+, or QSFP+ transceiver in a QFX3500
device, follow the instructions in Connecting a Fiber-Optic Cable to a QFX Series Device.
To disconnect a fiber-optic cable from an SFP, SFP+, or QSFP+ transceiver from a
QFX3500 device, follow the instructions in Disconnecting a Fiber-Optic Cable from a QFX
Series Device.
Related
Documentation
AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device on page 35•
• Cooling System and Airflow for a QFX3500 Device on page 29
• Rear Panel of a QFX3500 Device on page 20
• Determining Transceiver Support for QFabric Systems
Installing a Fan Tray in a QFX3500 Device
The fantrays in a QFX3500 device are hot-removableand hot-insertable field-replaceable
units (FRUs): you can remove and replace them without powering off the device or
disrupting device functions.
CAUTION: Replace a failed fan tray with a new fan tray within 1 minute of
removal to prevent chassis overheating. Before removing the fan tray, ensure
you have a replacement fan tray.
NOTE: The fan tray provides FRU-to-port or port-to-FRU airflow depending
on the device model you purchase.
Before you install a fan tray in a QFX3500 device, ensure that you have taken the
necessary precautions to prevent electrostatic discharge (ESD) damage (see “Prevention
of Electrostatic Discharge Damage” on page 198).
Copyright © 2017, Juniper Networks, Inc.122
QFX3500 Device Hardware Documentation
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