Juniper QFX5220 Istruzioni per l'installazione

QFX5220 Switch Hardware Guide

Published

2019-11-07

Juniper Networks, Inc.

1133 Innovation Way

Sunnyvale, California 94089

USA

408-745-2000

www.juniper.net

Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in

the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks

are the property of their respective owners.

Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right

to change, modify, transfer, or otherwise revise this publication without notice.

QFX5220 Switch Hardware Guide

The information in this document is current as of the date on the title page.

YEAR 2000 NOTICE

Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related

limitations through the year 2038. However, the NTP application is known to have some difficulty in the year 2036.

END USER LICENSE AGREEMENT

The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with)

Juniper Networks software. Use of such software is subject to the terms and conditions of the End User License Agreement

(“EULA”) posted at https://support.juniper.net/support/eula/. By downloading, installing or using such software, you

agree to the terms and conditions of that EULA.

Table of Contents

About the Documentation | xi

Documentation and Release Notes | xi

Using the Examples in This Manual | xi

Merging a Full Example | xii

Merging a Snippet | xiii

Documentation Conventions | xiii

Documentation Feedback | xvi

Requesting Technical Support | xvi

Self-Help Online Tools and Resources | xvii

Creating a Service Request with JTAC | xvii

Overview

QFX5220 System Overview | 21

QFX5220-128C Switch Description | 21

Benefits of the QFX5220-128C | 22

QFX5220-32CD Switch Description | 23

Benefits of the QFX5220-32CD | 23

QFX5220 Hardware Component Overview | 24

System Software | 25

QFX5220 Component Redundancy | 25

QFX5220 Field-Replaceable Units | 26

QFX5220-32CD Port Panel | 27

Network Ports | 28

Setting Port Speed and Channelization | 28

QFX5220-32CD Network LEDs | 30

QFX5220-128C Port Panel | 32

Overview | 32

Network Ports | 33

Port Configurations | 34

100-Gbps Port Configuration | 41

iii

40-Gbps Port Configuration | 41

4 x 25 Gbps Port Channelization | 42

Delete 4 x 25 Gbps or 4 x 10 Gbps Port Channelization | 42

QFX5220-128C Network LEDs | 42

QFX5220 Management Panel | 45

QFX5220-128C Management Panel Overview | 45

QFX5220-32CD Management Panel Overview | 46

QFX5220-32CD Management Panel LEDs | 47

QFX5220 Chassis Status LEDs | 48

RJ-45 Management Port LEDs | 51

QFX5220 Cooling System | 52

QFX5220-128C Cooling System Description | 52

Fan Modules | 52

QFX5220-128C Fan Module LED | 54

QFX5220-32CD Cooling System Description | 54

Fan Modules | 55

Do Not Install Components with Different Airflow or Wattage in the Switch | 57

QFX5220-32CD Fan Module LED | 58

Fan Module Status | 59

QFX5220 Power System | 61

QFX5220 AC Power Supply Modules Description | 63

QFX5220 AC Power Specifications | 65

AC Power Cord with Type C13 Coupler Specifications | 66

AC Power Cord with Type C15 Coupler Specifications | 68

QFX5220 AC Power Supply LEDs | 70

QFX5220 DC Power Supply Description | 71

QFX5220 DC Power Specifications | 73

QFX5220-128C DC Power Cable Specification | 74

QFX5220-128C DC Power Supply LED | 75

QFX5220-32CD-D DC Power Supply LED | 76

Site Planning, Preparation, and Specifications

QFX5220 Site Preparation Checklist | 81

QFX5220 Site Guidelines and Requirements | 82

QFX5220 Environmental Requirements and Specifications | 83

General Site Guidelines | 84

QFX5220 Grounding Cable and Lug Specifications | 85

QFX5220 Clearance Requirements for Airflow and Hardware Maintenance | 86

QFX5220 Chassis Physical Specifications | 87

Site Electrical Wiring Guidelines | 87

QFX5220 Rack Requirements | 88

QFX5220 Cabinet Requirements | 89

QFX5220 Network Cable and Transceiver Planning | 91

Determining QFX5220 Optical Interface Support | 91

Cable Specifications for QSFP+ and QSFP28 Transceivers | 92

Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 94

Signal Loss in Multimode and Single-Mode Fiber-Optic Cables | 94

Attenuation and Dispersion in Fiber-Optic Cable | 94

Calculating Power Budget and Power Margin for Fiber-Optic Cables | 95

Calculating Power Budget for Fiber-Optic Cable | 96

Calculating Power Margin for Fiber-Optic Cable | 96

QFX5220 Management Cable Specifications and Pinouts | 98

Cable Specifications for Console and Management Connections for the QFX Series | 98

RJ-45 Management Port Connector Pinout Information | 99

Console Port Connector Pinouts for the QFX Series | 99

QSFP-DD Port Connector Pinout Information | 100

QSFP+, QSFP28, and QSFP56 Port Connector Pinout Information | 104

SFP, SFP+, and SFP28 Port Connector Pinout Information | 106

USB Port Specifications for the QFX Series | 108

Initial Installation and Configuration

QFX5220 Installation Overview | 111

Overview of Installing the QFX5220 | 111

QFX5220 Installation Safety Guidelines | 112

Unpacking and Mounting the QFX5220 | 112

Unpacking a QFX5220 | 113

Registering Products—Mandatory for Validating SLAs | 115

Mounting a QFX5220 in a Rack or Cabinet | 116

Before You Begin Rack Installation | 117

Four-Post Installation Procedure for QFX5220-128C | 118

Four-Post Installation Procedure for QFX5220-32CD | 120

Four-Post Cabinet Installation for QFX5220-32CD | 122

EMI Panel Installation on QFX5220-128C | 125

Connecting the QFX5220 to External Devices | 128

Ground the QFX5220-128C | 129

Connect Power to the QFX5220-128C | 129

Ground the QFX5220-32CD and Connect Power | 132

Connecting a Device to a Network for Out-of-Band Management | 133

Connecting a Device to a Management Console by Using an RJ-45 Connector | 134

Connecting the QFX5220 to Power | 136

How to Connect AC Power to a QFX5220 | 136

How to Connect DC Power to a QFX5220-128C | 139

How to Connect DC Power to a QFX5220-32CD-D | 142

Before You Begin | 142

Connecting DC Power to a QFX5220-32CD-D | 143

Performing the Initial Software Configuration for QFX5220 Switches | 147

Maintaining Components

Maintaining QFX5220 Cooling System | 153

How to Remove a Fan Module from a QFX5220 | 153

How to Remove a Fan Module in a QFX5220 | 155

Maintaining the QFX5220 Power System | 157

How to Remove a Power Supply from a QFX5220 | 157

How to Install an AC Power Supply in a QFX5220 | 160

Maintaining Transceivers and Fiber Optic Cables on a QFX5220 | 163

Removing a Transceiver | 163

Installing a Transceiver | 166

Disconnecting a Fiber-Optic Cable | 168

Connecting a Fiber-Optic Cable | 169

Maintaining Fiber-Optic Cables | 170

Powering Off a QFX5220 | 171

Removing the EMI Panel from QFX5220-128C | 173

Troubleshooting Hardware

Troubleshooting the QFX5220 | 179

QFX5220 Troubleshooting Resources Overview | 179

QFX5220 Alarm Messages Overview | 180

Chassis Alarm Messages | 181

How to Troubleshoot QFX5220-128C Port Configuration Problems | 183

How to Troubleshoot QFX5220-128C Channelization Problems | 184

Contacting Customer Support and Returning the Chassis or Components

Contacting Customer Support to Obtain Return Material Authorization | 189

Returning the QFX5220 Chassis or Components | 190

Locating the Serial Number on a QFX5220 Device or Component | 190

Listing the Chassis and Component Details Using the CLI | 191

Locating the Chassis Serial Number ID Label on a QFX5220 | 192

vii

Locating the Serial Number ID Labels on FRU Components | 193

Removing the Solid-State Drives for RMA | 195

Returning a Hardware Component to Juniper Networks, Inc. | 198

Guidelines for Packing Hardware Components for Shipment | 199

Packing a QFX5220 Device or Component for Shipping | 199

Packing a QFX5220 Switch for Shipping | 200

Packing QFX5220 Components for Shipping | 201

Safety and Compliance Information

General Safety Guidelines and Warnings | 205

Definitions of Safety Warning Levels | 206

Qualified Personnel Warning | 208

Warning Statement for Norway and Sweden | 209

Fire Safety Requirements | 209

Fire Suppression | 209

Fire Suppression Equipment | 209

Installation Instructions Warning | 211

QFX5220 Installation Safety Guidelines | 211

Restricted Access Warning | 213

Ramp Warning | 215

Rack-Mounting and Cabinet-Mounting Warnings | 215

Grounded Equipment Warning | 220

Laser and LED Safety Guidelines and Warnings | 220

General Laser Safety Guidelines | 221

Class 1 Laser Product Warning | 222

Class 1 LED Product Warning | 223

Laser Beam Warning | 224

viii

Radiation from Open Port Apertures Warning | 225

Maintenance and Operational Safety Guidelines and Warnings | 226

Battery Handling Warning | 227

Jewelry Removal Warning | 228

Lightning Activity Warning | 230

Operating Temperature Warning | 231

Product Disposal Warning | 233

General Electrical Safety Guidelines and Warnings | 234

Action to Take After an Electrical Accident | 235

Prevention of Electrostatic Discharge Damage | 235

AC Power Electrical Safety Guidelines | 237

AC Power Disconnection Warning | 238

DC Power Electrical Safety Guidelines | 239

DC Power Copper Conductors Warning | 240

DC Power Disconnection Warning | 241

DC Power Grounding Requirements and Warning | 243

DC Power Wiring Sequence Warning | 245

DC Power Wiring Terminations Warning | 248

Multiple Power Supplies Disconnection Warning | 251

TN Power Warning | 252

Agency Approvals and Compliance Statements for the QFX5200 and QFX5220 | 252

Agency Approvals for the QFX Series | 253

About the Documentation

IN THIS SECTION

Documentation and Release Notes | xi

Using the Examples in This Manual | xi

Documentation Conventions | xiii

Documentation Feedback | xvi

Requesting Technical Support | xvi

Use this guide to plan, install, perform initial software configuration, perform routine maintenance, and to

troubleshoot QFX5220 switches.

After completing the installation and basic configuration procedures covered in this guide, refer to the

Junos OS documentation for further software configuration.

Documentation and Release Notes

To obtain the most current version of all Juniper Networks®technical documentation, see the product

documentation page on the Juniper Networks website at https://www.juniper.net/documentation/.

If the information in the latest release notes differs from the information in the documentation, follow the

product Release Notes.

Juniper Networks Books publishes books by Juniper Networks engineers and subject matter experts.

These books go beyond the technical documentation to explore the nuances of network architecture,

deployment, and administration. The current list can be viewed at https://www.juniper.net/books.

Using the Examples in This Manual

If you want to use the examples in this manual, you can use the load merge or the load merge relative

command. These commands cause the software to merge the incoming configuration into the current

candidate configuration. The example does not become active until you commit the candidate configuration.

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