Juniper QFX Series User Manual

CHAPTER 27
Replacing QFX3500 Components
•
Installing and Removing QFX3500 Device Hardware Components on page 361
•
Installing a Power Supply in a QFX3500 Device on page 362
•
Removing a Power Supply from a QFX3500 Device on page 364
•
Installing a Fan Tray in a QFX3500 Device on page 365
•
Removing a Fan Tray from a QFX3500 Device on page 367
•
Installing a Management Board in a QFX3500 Device on page 368
•
Removing a Management Board from a QFX3500 Device on page 369
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 362. To remove a power supply from a
361Copyright © 2012, Juniper Networks, Inc.

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)