CHAPTER 13
Replacing Components
•
Installing and Removing QFX3500 Device Hardware Components on page 121
•
Installing a Fan Tray in a QFX3500 Device on page 122
•
Removing a Fan Tray from a QFX3500 Device on page 123
•
Installing a Power Supply in a QFX3500 Device on page 125
•
Removing a Power Supply from a QFX3500 Device on page 127
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Installing a Management Board in a QFX3500 Device on page 128
•
Removing a Management Board from a QFX3500 Device on page 130
Installing and Removing QFX3500 Device Hardware Components
The QFX3500 device chassis is a rigid sheet-metal structure that houses the hardware
components. The field-replaceable units (FRUs) in QFX3500 devices are:
•
Power supply
•
Fan tray
•
Management board
•
SFP transceiver
•
SFP+ transceiver
•
QSFP+ transceiver
All of the QFX3500 device FRUs except the management board are hot-insertable and
hot-removable: you can remove and replace them without powering off the device or
disrupting device functions. You must power off the QFX3500 device before replacing
the management board.
CAUTION: Replace a failed power supply with a blank panel or new power
supply within 1 minute of removal to prevent chassis overheating. Replace a
failed fan tray with a new fan tray within 1 minute of removal to prevent
chassis overheating.
To install a power supply in a QFX3500 device, follow the instructions in “Installing a
Power Supply in a QFX3500 Device” on page 125. To remove a power supply from a
121Copyright © 2017, Juniper Networks, Inc.
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