Juniper EX4200 Series Istruzioni per l'installazione

EX4200 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.

EX4200 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

EX4200 System Overview | 19

EX4200 Switches Hardware Overview | 19

Benefits of the EX4200 Switch | 19

EX4200 Switches | 20

Uplink Modules | 21

Power over Ethernet Ports | 21

EX4200 Switch Models | 21

EX4200 Switch Hardware and CLI Terminology Mapping | 23

Chassis Physical Specifications for EX4200 Switches | 27

Field-Replaceable Units in EX4200 Switches | 28

EX4200 Chassis | 29

Front Panel of an EX4200 Switch | 29

Rear Panel of an EX4200 Switch | 30

LCD Panel in EX4200 Switches | 31

LCD Panel Modes | 32

Uplink Modules in EX4200 Switches | 33

SFP Uplink Module | 34

SFP+ Uplink Module and SFP+ MACsec Uplink Module | 35

iii

XFP Uplink Module | 37

Chassis Status LEDs in EX4200 Switches | 37

Management Port LEDs in EX4200 Switches | 39

Network Port LEDs in EX4200 Switches | 40

EX4200 Cooling System | 45

Fan Tray | 46

Airflow Direction in the EX4200 Switch Chassis | 46

EX4200 Power System | 47

Power Supply in EX4200 Switches | 47

AC Power Supplies | 48

DC Power Supplies | 49

PoE Power Budget and AC Power Supplies | 50

AC Power Supply LEDs in EX4200 Switches | 52

DC Power Supply LEDs in EX4200 Switches | 52

Power Specifications for EX4200 Switches | 53

AC Power Cord Specifications for EX4200 Switches | 54

Site Planning, Preparation, and Specifications

Site Preparation Checklist for EX4200 Switches | 58

EX4200 Site Guidelines and Requirements | 59

Environmental Requirements and Specifications for EX Series Switches | 60

General Site Guidelines | 65

Site Electrical Wiring Guidelines | 65

Rack Requirements | 66

Cabinet Requirements | 67

Requirements for Mounting an EX4200 Switch on a Desktop or Wall | 68

Clearance Requirements for Airflow and Hardware Maintenance for EX4200 Switches | 69

EX4200 Network Cable and Transceiver Planning | 70

Pluggable Transceivers Supported on EX4200 Switches | 71

SFP+ Direct Attach Copper Cables for EX Series Switches | 72

Cable Specifications | 72

List of DAC Cables Supported on EX Series Switches | 73

Standards Supported by These Cables | 73

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

Dispersion | 74

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 74

Attenuation and Dispersion in Fiber-Optic Cable | 74

Calculating the Fiber-Optic Cable Power Budget for EX Series Devices | 75

Calculating the Fiber-Optic Cable Power Margin for EX Series Devices | 76

EX4200 Management Cable Specifications and Pinouts | 78

Management Cable Specifications | 78

Console Port Connector Pinout Information | 79

USB Port Specifications for an EX Series Switch | 79

RJ-45 Management Port Connector Pinout Information | 80

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

Information | 81

RJ-45 to DB-9 Serial Port Adapter Pinout Information | 85

Uplink Modules Connector Pinout Information for EX4200 Switches | 86

Virtual Chassis Ports Connector Pinout Information for EX4200 Switches | 95

EX4200 Virtual Chassis | 99

Understanding EX4200, EX4500, and EX4550 Virtual Chassis Hardware Configurations | 99

Ports Used to Interconnect Virtual Chassis Members | 100

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

in the Virtual Chassis | 101

Virtual Chassis Module | 102

Switch Role and Member ID on the LCD Panel | 102

Planning EX4200, EX4500, and EX4550 Virtual Chassis | 103

Virtual Chassis Cabling Configuration Examples for EX4200 Switches | 105

Initial Installation and Configuration

Unpacking and Mounting the EX4200 Switch | 110

Unpacking an EX4200 Switch | 110

Parts Inventory (Packing List) for an EX4200 Switch | 111

Installing and Connecting an EX4200 Switch | 114

Mounting an EX4200 Switch | 115

Mounting an EX4200 Switch on a Desk or Other Level Surface | 116

Mounting an EX4200 Switch on Two Posts in a Rack or Cabinet | 117

Mounting an EX4200 Switch on Four Posts in a Rack or Cabinet | 120

Mounting an EX4200 Switch in a Recessed Position in a Rack or Cabinet | 123

Mounting an EX4200 Switch on a Wall | 124

Connecting the EX4200 to Power | 126

Connect Earth Ground to an EX Series Switch | 127

Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 127

Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 132

Connecting Earth Ground to an EX Series Switch | 133

Connecting AC Power to an EX4200 Switch | 134

Connecting DC Power to an EX4200 Switch | 137

Connecting the EX4200 to External Devices | 141

Connect a Device to a Network for Out-of-Band Management | 141

Connect a Device to a Management Console Using an RJ-45 Connector | 142

Connecting the EX4200 to the Network | 143

Install a Transceiver | 143

Connect a Fiber-Optic Cable | 146

Configuring Junos OS on the EX4200 | 147

EX4200 Default Configuration | 148

Connecting and Configuring an EX Series Switch (CLI Procedure) | 153

Connecting and Configuring an EX Series Switch (J-Web Procedure) | 156

Configuring the LCD Panel on EX Series Switches (CLI Procedure) | 160

Disabling or Enabling Menus and Menu Options on the LCD Panel | 161

Configuring a Custom Display Message | 162

Dashboard for EX Series Switches | 163

Graphical Chassis Viewer | 164

System Information Panel | 166

Health Status Panel | 169

Capacity Utilization Panel | 173

Alarms Panel | 174

File System Usage | 174

Chassis Viewer | 174

Maintaining Components

Maintaining the EX4200 Cooling System | 193

Removing a Fan Tray from an EX4200 Switch | 193

Installing a Fan Tray in an EX4200 Switch | 194

Maintaining the EX4200 Power System | 195

Removing a Power Supply from an EX4200 Switch | 195

Installing a Power Supply in an EX4200 Switch | 197

Maintain Transceivers | 199

Remove a Transceiver | 199

Remove a QSFP28 Transceiver | 202

Install a Transceiver | 204

Install a QSFP28 Transceiver | 206

Maintaining EX4200 Uplink Module | 208

Removing an Uplink Module from an EX4200 Switch | 208

Installing an Uplink Module in an EX4200 Switch | 211

Maintain Fiber-Optic Cables | 213

Connect a Fiber-Optic Cable | 214

Disconnect a Fiber-Optic Cable | 215

How to Handle Fiber-Optic Cables | 215

Replacing a Member Switch to Virtual Chassis | 216

Adding a New EX4200 Switch to an Existing EX4200 Virtual Chassis (CLI Procedure) | 217

Adding a New Switch to an Existing Virtual Chassis Within the Same Wiring Closet | 217

Adding a New Switch from a Different Wiring Closet to an Existing Virtual Chassis | 219

Adding a New Switch to an Existing Preprovisioned Virtual Chassis Using Autoprovisioning

and Automatic VCP Conversion | 221

Removing or Replacing a Member Switch of a Virtual Chassis Configuration | 223

Remove a Member Switch and Make Its Member ID Available for Reassignment to a

Different Switch | 224

Remove, Repair, and Reinstall the Same Switch | 225

Remove a Member Switch, Replace It with a Different Switch, and Reapply the Old

Configuration | 226

vii

Replace a Member Switch With a Different Type of Switch That Changes the Virtual

Chassis to Mixed Mode | 229

Maintaining Virtual Chassis Cable | 230

Disconnecting a Virtual Chassis Cable from an EX4200 Switch | 230

Connecting a Virtual Chassis Cable to an EX4200 Switch | 231

Troubleshooting Hardware

Troubleshooting EX4200 Components | 234

Understand Alarm Types and Severity Levels on EX Series Switches | 234

Chassis Component Alarm Conditions on EX4200 Switches | 236

Check Active Alarms with the J-Web Interface | 240

Monitor System Log Messages | 241

Troubleshooting Network Interfaces on EX4200 Switches | 246

The interface on the port in which an SFP or SFP+ transceiver is installed is down | 246

Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch | 247

Virtual Chassis port (VCP) connection does not work | 247

Troubleshooting Power Supply Installation Alarms on EX4200 Switches | 248

The Switch Displays the “Unsupported PSU” Alarm | 248

Troubleshooting PoE Voltage Injection Failure in EX2300, EX3400, or EX4300 Switch Models

with PoE Capability | 249

Troubleshoot Temperature Alarms in EX Series Switches | 249

Contacting Customer Support and Returning the Chassis or Components

Returning an EX4200 Switch or Component for Repair or Replacement | 256

Locating the Serial Number on an EX4200 Switch or Component | 257

Listing the Switch and Components Details with the CLI | 257

Locating the Chassis Serial Number ID Label on an EX4200 Switch | 258

Locating the Serial Number ID Labels on FRUs in an EX4200 Switch | 258

Contact Customer Support to Obtain Return Material Authorization | 258

Packing an EX4200 Switch or Component for Shipping | 259

Packing an EX4200 Switch for Shipping | 260

Packing EX4200 Switch Components for Shipping | 261

viii

Safety and Compliance Information

General Safety Guidelines and Warnings | 264

Definitions of Safety Warning Levels | 265

Qualified Personnel Warning | 268

Warning Statement for Norway and Sweden | 269

Fire Safety Requirements | 269

Fire Suppression | 269

Fire Suppression Equipment | 269

Installation Instructions Warning | 271

Chassis and Component Lifting Guidelines | 271

Restricted Access Warning | 273

Ramp Warning | 275

Rack-Mounting and Cabinet-Mounting Warnings | 276

Grounded Equipment Warning | 282

Laser and LED Safety Guidelines and Warnings | 283

General Laser Safety Guidelines | 283

Class 1 Laser Product Warning | 284

Class 1 LED Product Warning | 285

Laser Beam Warning | 286

Radiation from Open Port Apertures Warning | 287

Maintenance and Operational Safety Guidelines and Warnings | 288

Battery Handling Warning | 289

Jewelry Removal Warning | 290

Lightning Activity Warning | 292

Operating Temperature Warning | 293

Product Disposal Warning | 295

General Electrical Safety Guidelines and Warnings | 296

Action to Take After an Electrical Accident | 297

Prevention of Electrostatic Discharge Damage | 298

AC Power Electrical Safety Guidelines | 299

AC Power Disconnection Warning | 301

DC Power Electrical Safety Guidelines | 302

DC Power Disconnection Warning | 303

DC Power Grounding Requirements and Warning | 305

DC Power Wiring Sequence Warning | 307

DC Power Wiring Terminations Warning | 310

Multiple Power Supplies Disconnection Warning | 313

TN Power Warning | 314

Agency Approvals for EX Series Switches | 314

Compliance Statements for EMC Requirements for EX Series Switches | 315

Canada | 316

Taiwan | 317

European Community | 317

Israel | 317

Japan | 317

Korea | 318

United States | 318

FCC Part 15 Statement | 318

Nonregulatory Environmental Standards | 319

Compliance Statements for Acoustic Noise for EX Series Switches | 320

Statements of Volatility for Juniper Network Devices | 320

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