Juniper EX4500 Series Istruzioni per l'installazione

EX4500 Switch Hardware Guide

Published

2020-12-15

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.

EX4500 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 | xii

Documentation and Release Notes | xii

Using the Examples in This Manual | xii

Merging a Full Example | xiii

Merging a Snippet | xiv

Documentation Conventions | xiv

Documentation Feedback | xvii

Requesting Technical Support | xvii

Self-Help Online Tools and Resources | xviii

Creating a Service Request with JTAC | xviii

Overview

EX4500 System Overview | 20

EX4500 Switches Hardware Overview | 20

Benefits of the EX4500 Switch | 21

Software | 21

EX4500 Switches First View | 21

Intraconnect Module and Virtual Chassis Module | 23

Virtual Chassis | 23

Uplink Modules | 24

Power Supplies | 24

EX4500 Switch Models | 25

Identifying EX4500 Switch Models | 28

EX4500 Switch Hardware and CLI Terminology Mapping | 30

Chassis Physical Specifications for EX4500 Switches | 33

iii

Field-Replaceable Units in EX4500 Switches | 34

EX4500 Chassis | 35

Front Panel of an EX4500 Switch | 35

Rear Panel of an EX4500 Switch | 36

LCD Panel in EX4500 Switches | 38

LCD Panel Modes | 39

LCD Panel Menus | 40

Virtual Chassis Module in EX4500 Switches | 44

Chassis Status LEDs in EX4500 Switches | 46

Management Port LEDs in EX4500 Switches | 47

Uplink Modules in EX4500 Switches | 48

Intraconnect Module in EX4500 Switches | 50

Network Port and Uplink Module Port LEDs in EX4500 Switches | 52

EX4500 Cooling System | 54

Fan Tray | 54

Airfow Direction in EX4500 Switch Models | 55

Front-to-Back Airflow | 55

Back-to-Front Airflow | 56

EX4500 Power System | 58

AC Power Supply in EX4500 Switches | 58

AC Power Supply LEDs in EX4500 Switches | 60

AC Power Supply Specifications for EX4500 Switches | 61

AC Power Cord Specifications for an EX4500 Switch | 62

DC Power Supply in EX4500 Switches | 66

DC Power Supply LEDs in EX4500 Switches | 67

DC Power Specifications for EX4500 Switches | 68

Site Planning, Preparation, and Specifications

Site Preparation Checklist for EX4500 Switches | 71

EX4500 Site Guidelines and Requirements | 72

Environmental Requirements and Specifications for EX Series Switches | 73

General Site Guidelines | 78

Site Electrical Wiring Guidelines | 78

Rack Requirements | 79

Cabinet Requirements | 80

Clearance Requirements for Airflow and Hardware Maintenance for EX4500 Switches | 81

Grounding Cable and Lug Specifications for EX4500 Switches | 83

EX4500 Network Cable and Transceiver Planning | 84

Pluggable Transceivers Supported on EX4500 Switches | 84

SFP+ Direct Attach Copper Cables for EX Series Switches | 85

Cable Specifications | 85

List of DAC Cables Supported on EX Series Switches | 86

Standards Supported by These Cables | 86

Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and

Dispersion | 87

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 87

Attenuation and Dispersion in Fiber-Optic Cable | 87

Calculating the Fiber-Optic Cable Power Budget for EX Series Devices | 88

Calculating the Fiber-Optic Cable Power Margin for EX Series Devices | 89

EX4500 Management Cable Specifications and Pinouts | 91

Management Cable Specifications | 91

Console Port Connector Pinout Information | 92

USB Port Specifications for an EX Series Switch | 92

RJ-45 Management Port Connector Pinout Information | 93

RJ-45 Port, SFP Port, SFP+ Port, QSFP+ Port, and QSFP28 Port Connector Pinout

Information | 94

RJ-45 to DB-9 Serial Port Adapter Pinout Information | 98

Virtual Chassis Ports Connector Pinout Information for EX4500 Switches | 99

EX4500 Virtual Chassis | 103

Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware Configurations | 103

Ports Used to Interconnect Virtual Chassis Members | 104

Number of Switches, Required Software Releases, and Member Roles That You Configure

in the Virtual Chassis | 104

Virtual Chassis Module | 106

Switch Role and Member ID on the LCD Panel | 106

Planning EX4200, EX4500, and EX4550 Virtual Chassis | 107

Initial Installation and Configuration

Unpacking and Mounting an EX4500 Switch | 111

Unpacking an EX4500 Switch | 111

Parts Inventory (Packing List) for an EX4500 Switch | 112

Installing and Connecting an EX4500 Switch | 114

Mounting an EX4500 Switch | 114

Mounting an EX4500 Switch on Two Posts in a Rack or Cabinet | 115

Mounting an EX4500 Switch on Four Posts in a Rack or Cabinet | 117

Mounting an EX4500 Switch in a Recessed Position in a Rack or Cabinet | 120

Connecting the EX4500 to Power | 121

Connect Earth Ground to an EX Series Switch | 121

Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 122

Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 126

Connecting Earth Ground to an EX Series Switch | 127

Connecting AC Power to an EX4500 Switch | 128

Connecting DC Power to an EX4500 Switch | 131

Connecting the EX4500 to the Network | 135

Install a Transceiver | 136

Connect a Fiber-Optic Cable | 138

Connecting the EX4500 to External Devices | 140

Connect a Device to a Network for Out-of-Band Management | 140

Connect a Device to a Management Console Using an RJ-45 Connector | 141

Configuring Junos OS on the EX4500 | 142

EX4500 Default Configuration | 142

Connecting and Configuring an EX Series Switch (CLI Procedure) | 149

Connecting and Configuring an EX Series Switch (J-Web Procedure) | 153

Configuring the LCD Panel on EX Series Switches (CLI Procedure) | 157

Disabling or Enabling Menus and Menu Options on the LCD Panel | 158

Configuring a Custom Display Message | 159

Dashboard for EX Series Switches | 160

Graphical Chassis Viewer | 161

System Information Panel | 163

Health Status Panel | 166

Capacity Utilization Panel | 170

Alarms Panel | 171

File System Usage | 171

Chassis Viewer | 171

Maintaining Components

Maintaining the Cooling System in an EX4500 Switch | 190

Removing a Fan Tray from an EX4500 Switch | 190

Installing a Fan Tray in an EX4500 Switch | 192

Maintaining the Power System in an EX4500 Switch | 193

Replacing Redundant AC Power Supplies in an EX4500 Switch Without Disrupting Switch

Functions | 194

Replacing the Power Supply in the Top Slot | 195

Replacing the Power Supply in the Bottom Slot | 198

Removing an AC Power Supply from an EX4500 Switch | 199

Installing an AC Power Supply in an EX4500 Switch | 201

Removing a DC Power Supply from an EX4500 Switch | 202

Installing a DC Power Supply in an EX4500 Switch | 204

Maintaining EX4500 Uplink Module | 206

Removing an Uplink Module from an EX4500 Switch | 206

Installing an Uplink Module in an EX4500 Switch | 207

vii

Maintaining EX4500 Intraconnect Module | 210

Removing an Intraconnect Module from an EX4500 Switch | 210

Installing an Intraconnect Module in an EX4500 Switch | 213

Maintaining EX4500 Virtual Chassis Module | 215

Removing a Virtual Chassis Module from an EX4500 Switch | 215

Installing a Virtual Chassis Module in an EX4500 Switch | 218

Maintaining EX4500 Virtual Chassis Cable | 221

Disconnecting a Virtual Chassis Cable from an EX4500 Switch | 221

Connecting a Virtual Chassis Cable to an EX4500 Switch | 223

Maintain Transceivers | 224

Remove a Transceiver | 224

Remove a QSFP28 Transceiver | 227

Install a Transceiver | 229

Install a QSFP28 Transceiver | 231

Maintain Fiber-Optic Cables | 233

Connect a Fiber-Optic Cable | 233

Disconnect a Fiber-Optic Cable | 234

How to Handle Fiber-Optic Cables | 235

Removing the EX4500 Switch | 236

Powering Off an EX4500 Switch | 237

Removing an EX4500 Switch from a Rack or Cabinet | 238

Troubleshooting Hardware

Troubleshooting EX4500 Components | 241

Understand Alarm Types and Severity Levels on EX Series Switches | 241

Chassis Component Alarm Conditions on EX4500 Switches | 243

Check Active Alarms with the J-Web Interface | 247

Monitor System Log Messages | 249

Troubleshooting the Boot Process on EX4500 Switches | 253

Troubleshoot Temperature Alarms in EX Series Switches | 254

viii

Contacting Customer Support and Returning the Chassis or Components

Returning an EX4500 Switch or Component for Repair or Replacement | 261

Locating the Serial Number on an EX4500 Switch or Component | 262

Listing the Switch and Components Details with the CLI | 262

Locating the Chassis Serial Number ID Label on an EX4500 Switch | 263

Locating the Serial Number ID Labels on FRUs in an EX4500 Switch | 263

Contact Customer Support to Obtain Return Material Authorization | 265

Packing an EX4500 Switch or Component for Shipping | 266

Packing an EX4500 Switch for Shipping | 266

Packing EX4500 Switch Components for Shipping | 268

Safety and Compliance Information

General Safety Guidelines and Warnings | 271

Definitions of Safety Warning Levels | 272

Qualified Personnel Warning | 275

Warning Statement for Norway and Sweden | 276

Fire Safety Requirements | 276

Fire Suppression | 276

Fire Suppression Equipment | 276

Installation Instructions Warning | 278

Chassis and Component Lifting Guidelines | 278

Restricted Access Warning | 280

Ramp Warning | 282

Rack-Mounting and Cabinet-Mounting Warnings | 283

Grounded Equipment Warning | 289

Radiation from Open Port Apertures Warning | 290

Laser and LED Safety Guidelines and Warnings | 291

General Laser Safety Guidelines | 291

Class 1 Laser Product Warning | 292

Class 1 LED Product Warning | 293

Laser Beam Warning | 294

Maintenance and Operational Safety Guidelines and Warnings | 294

Battery Handling Warning | 296

Jewelry Removal Warning | 297

Lightning Activity Warning | 299

Operating Temperature Warning | 300

Product Disposal Warning | 302

General Electrical Safety Guidelines and Warnings | 303

Action to Take After an Electrical Accident | 304

Prevention of Electrostatic Discharge Damage | 305

AC Power Electrical Safety Guidelines | 306

AC Power Disconnection Warning | 308

DC Power Electrical Safety Guidelines | 309

DC Power Disconnection Warning | 310

DC Power Grounding Requirements and Warning | 312

DC Power Wiring Sequence Warning | 314

DC Power Wiring Terminations Warning | 317

Multiple Power Supplies Disconnection Warning | 320

TN Power Warning | 321

Agency Approvals for EX Series Switches | 321

Compliance Statements for EMC Requirements for EX Series Switches | 322

Canada | 323

Taiwan | 324

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