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Juniper QFX Series Hardware Guide

Juniper QFX Series
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RJ-45 Port, QSFP+ Port, QSFP28 Port, SFP+ Port, and SFP Port Connector
Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Chapter 3 Initial Installation and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
QFX5110 Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Standalone Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 86
QFX5110 Installation Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Unpacking and Mounting the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Unpacking a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . 89
Mounting a QFX5110 in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Connecting the QFX5110 to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Connecting the QFX5110 to Grounding Cable . . . . . . . . . . . . . . . . . . . . . . . . . 92
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . 93
Connecting a Device to a Management Console by Using an RJ-45
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Connecting the QFX5110 to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Connecting AC Power to a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Connecting DC Power to a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Connecting the QFX5110 in a Virtual Chassis or Virtual Chassis Fabric . . . . . . . . . 101
Connecting QFX5110 and QFX5100 Members in a QFX5110 Virtual
Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Connecting QFX5110 in a QFX5110 Virtual Chassis Fabric . . . . . . . . . . . . . . . 102
Configuring a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Chapter 4 Maintaining Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Maintaining QFX5110 Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Removing a Fan Module from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Installing a Fan Module in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Maintaining QFX5110 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Removing a Power Supply from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Installing a Power Supply in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Removing and Installing Transceivers and Fiber-Optic Cables on QFX5110 . . . . . 113
Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Disconnecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Powering Off a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Removing a QFX5110 from a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Chapter 5 Troubleshooting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Troubleshooting the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
QFX5110 Troubleshooting Resources Overview . . . . . . . . . . . . . . . . . . . . . . . 125
QFX Series Alarm Messages Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
vCopyright © 2019, Juniper Networks, Inc.
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Juniper QFX Series Specifications

General IconGeneral
CategorySwitch
SeriesQFX
Form Factor1U, 2U, and modular chassis options
Power SupplyRedundant, hot-swappable power supplies
Coolinghot-swappable fans
Virtual ChassisSupported on certain models
Typical UseData center, cloud
Operating SystemJunos OS
ManagementCLI
Key FeaturesHigh performance, low latency, automation
LatencySub-microsecond latency
Port DensityVaries by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)

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