Juniper EX8208 Istruzioni per l'installazione

EX8208 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.

EX8208 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 | xiii

Documentation and Release Notes | xiii

Using the Examples in This Manual | xiii

Merging a Full Example | xiv

Merging a Snippet | xv

Documentation Conventions | xv

Documentation Feedback | xviii

Requesting Technical Support | xviii

Self-Help Online Tools and Resources | xix

Creating a Service Request with JTAC | xix

EX8208 System Overview

EX8208 System Overview | 21

EX8208 Switch Hardware Overview | 21

Benefits of the EX8208 Switch | 22

Software | 22

Chassis Physical Specifications, LCD Panel, and Backplane | 22

Routing Engines and Switch Fabric | 23

Line Cards | 24

Cooling System | 25

Power Supplies | 26

EX8208 Switch Configurations | 27

EX8208 Switch Hardware and CLI Terminology Mapping | 29

Chassis Physical Specifications of an EX8208 Switch | 33

Field-Replaceable Units in an EX8208 Switch | 35

EX8208 Chassis | 37

Understanding EX8208 Switch Component and Functionality Redundancy | 37

Hardware Components That Provide Redundancy | 37

Routing Engine and Control Redundancy | 38

iii

Switch Fabric Redundancy | 39

Slot Numbering for an EX8208 Switch | 40

Slot Numbering for SRE and SF Module Slots and Line Card Slots | 40

Slot Numbering for the Power Supply Slots | 42

LCD Panel in an EX8200 Switch | 43

LCD Panel Modes | 44

LCD Panel Menus | 45

Backplane in an EX8208 Switch | 49

Chassis Status LEDs in an EX8200 Switch | 50

Network Port LEDs in an EX8200 Switch | 51

EX8208 Cooling System | 53

Fan Tray | 54

Airflow Direction in the EX8208 Switch Chassis | 55

EX8200 Power System | 56

AC Power Supply in an EX8200 Switch | 56

AC Power Supply Description | 57

N+1 Redundancy Configuration of AC Power Supplies | 59

N+N Redundancy Configuration of AC Power Supplies | 60

AC Power Supply LEDs in an EX8200 Switch | 63

AC Power Specifications for EX8200 Switches | 65

AC Power Cord Specifications for an EX8200 Switch | 66

DC Power Supply in an EX8200 Switch | 70

DC Power Supply LEDs in an EX8200 Switch | 72

DC Power Specifications for EX8200 Switches | 75

Grounding Cable and Lug Specifications for EX8200 Switches | 76

EX8208 Host Subsystem | 78

Switch Fabric and Routing Engine (SRE) Module in an EX8208 Switch | 78

SRE Module LEDs in an EX8208 Switch | 80

Switch Fabric (SF) Module in an EX8208 Switch | 81

SF Module LEDs in an EX8208 Switch | 82

EX8200 Line Cards | 83

Line Card Model and Version Compatibility in an EX8200 Switch | 84

8-port SFP+ Line Card in an EX8200 Switch | 86

Line Card Models | 87

Line Card Components | 87

40-port SFP+ Line Card in an EX8200 Switch | 88

Line Card Models | 89

Line Card Components | 90

Line Card Ports | 90

EX8200-2XS-40P Line Card | 92

Line Card Models | 92

Line Card Components | 93

Line Card Ports | 93

EX8200-2XS-40T Line Card | 94

Line Card Models | 95

Line Card Components | 95

Line Card Ports | 96

EX8200-48PL Line Card | 97

Line Card Models | 97

Line Card Components | 98

Line Card Ports | 98

EX8200-48TL Line Card | 99

Line Card Models | 100

Line Card Components | 100

Line Card Ports | 100

48-Port SFP Line Card in an EX8200 Switch | 101

Line Card Models | 102

Line Card Components | 102

48-Port RJ-45 Line Card in an EX8200 Switch | 103

Line Card Models | 104

Line Card Components | 104

Line Card LEDs in an EX8200 Switch | 105

Site Planning, Preparation, and Specifications

Site Preparation Checklist for an EX8200 Switch | 108

EX8208 Site Guidelines and Requirements | 109

Environmental Requirements and Specifications for EX Series Switches | 110

General Site Guidelines | 115

Site Electrical Wiring Guidelines | 115

Clearance Requirements for Airflow and Hardware Maintenance for an EX8208 Switch | 116

Rack Requirements | 118

Cabinet Requirements | 119

Power Requirements for EX8208 Switch Components | 120

Calculating Power Requirements for an EX8208 Switch | 121

Calculating the Power Consumption of Your EX8208 Switch Configuration | 122

Calculating System Thermal Output for Your EX8208 Switch Configuration | 124

Calculating the Number of Power Supplies Required for Your EX8208 Switch

Configuration | 124

EX8200 Network Cable and Transceiver Planning | 128

Pluggable Transceivers Supported on EX8200 Switches | 128

SFP+ Direct Attach Copper Cables for EX Series Switches | 129

Cable Specifications | 130

List of DAC Cables Supported on EX Series Switches | 130

Standards Supported by These Cables | 131

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

Dispersion | 131

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 131

Attenuation and Dispersion in Fiber-Optic Cable | 132

Calculating the Fiber-Optic Cable Power Budget for EX Series Devices | 132

Calculating the Fiber-Optic Cable Power Margin for EX Series Devices | 133

EX8200 Management Cable Specifications and Pinouts | 135

Management Cable Specifications | 135

Console Port Connector Pinout Information | 136

USB Port Specifications for an EX Series Switch | 136

RJ-45 Management Port Connector Pinout Information | 137

RJ-45 to DB-9 Serial Port Adapter Pinout Information | 138

Initial Installation and Configuration

Unpacking and Mounting the EX8208 Switch | 140

Unpacking an EX8200 Switch | 140

Unpacking a Line Card Used in an EX8200 Switch | 143

Parts Inventory (Packing List) for an EX8208 Switch | 144

Installing and Connecting an EX8208 Switch | 147

Installing Adjustable Mounting Brackets in a Rack or Cabinet for an EX8200 Switch | 148

Installing the Power Cord Tray in a Rack or Cabinet for an EX8200 Switch | 151

Mounting an EX8208 Switch on a Rack or Cabinet | 154

Mounting an EX8208 Switch on a Rack or Cabinet Using a Mechanical Lift | 157

Mounting an EX8208 Switch on a Rack or Cabinet Without Using a Mechanical Lift | 159

Connecting the EX8200 to Power | 164

Connect Earth Ground to an EX Series Switch | 164

Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 165

Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 169

Connecting Earth Ground to an EX Series Switch | 170

Connecting AC Power to an EX8200 Switch | 171

Connecting DC Power to an EX8200 Switch | 174

Powering On an EX8200 Switch | 180

Connecting the EX8200 to External Devices | 182

Connect a Device to a Network for Out-of-Band Management | 182

Connect a Device to a Management Console Using an RJ-45 Connector | 183

Connecting an EX8200 Switch to a Modem | 184

Setting the Serial Console Speed for the Switch | 185

Configuring the Modem | 186

Connecting the Modem to the Console Port | 187

Connecting the EX8200 to the Network | 188

Install a Transceiver | 189

Connect a Fiber-Optic Cable | 191

vii

Configuring Junos OS on the EX8200 | 193

EX8200 Switch Default Configuration | 193

Connecting and Configuring an EX Series Switch (CLI Procedure) | 194

Connecting and Configuring an EX Series Switch (J-Web Procedure) | 198

Configuring the LCD Panel on EX Series Switches (CLI Procedure) | 202

Disabling or Enabling Menus and Menu Options on the LCD Panel | 203

Configuring a Custom Display Message | 204

Dashboard for EX Series Switches | 205

Graphical Chassis Viewer | 206

System Information Panel | 208

Health Status Panel | 211

Capacity Utilization Panel | 215

Alarms Panel | 216

File System Usage | 216

Chassis Viewer | 216

Maintaining Components

Maintaining the EX8208 Cooling System | 235

Removing a Fan Tray from an EX8208 Switch | 235

Installing a Fan Tray in an EX8208 Switch | 237

Maintaining the EX8200 Power System | 238

Removing an AC Power Supply from an EX8200 Switch | 239

Installing an AC Power Supply in an EX8200 Switch | 240

Removing a DC Power Supply from an EX8200 Switch | 243

Installing a DC Power Supply in an EX8200 Switch | 245

Maintaining the EX8200 Power Cord Tray | 247

Removing the Power Cord Tray from a Rack or Cabinet for an EX8200 Switch | 248

Installing the Power Cord Tray in a Rack or Cabinet for an EX8200 Switch | 248

viii

Maintaining the EX8208 Host Subsystem | 251

Taking the SRE Module Offline in an EX8208 Switch | 251

Taking an SRE Module Offline in a Switch with Redundant SRE Modules | 251

Taking an SRE Module Offline in a Switch With One SRE Module | 252

Removing an SRE Module from an EX8208 Switch | 253

Installing an SRE Module in an EX8208 Switch | 255

Taking the SF Module Offline in an EX8208 Switch | 257

Removing an SF Module from an EX8208 Switch | 257

Installing an SF Module in an EX8208 Switch | 259

Maintaining the EX8200 Line Cards | 261

Handling and Storing Line Cards | 262

Holding a Line Card | 262

Storing a Line Card | 266

Maintaining Line Card Cables | 267

Unpacking a Line Card Used in an EX8200 Switch | 267

Removing a Line Card from an EX8200 Switch | 268

Installing a Line Card in an EX8200 Switch | 271

Maintain Transceivers | 275

Remove a Transceiver | 275

Remove a QSFP28 Transceiver | 279

Install a Transceiver | 281

Install a QSFP28 Transceiver | 283

Maintain Fiber-Optic Cables | 285

Connect a Fiber-Optic Cable | 285

Disconnect a Fiber-Optic Cable | 286

How to Handle Fiber-Optic Cables | 287

Removing an EX8208 from a Rack or Cabinet | 288

Powering Off an EX8200 Switch | 289

Removing an EX8208 Switch from a Rack or Cabinet | 290

Removing an EX8208 Switch from a Rack or Cabinet Using a Mechanical Lift | 292

Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift | 294

Removing a Battery from an EX8208 Switch for Recycling | 296

Troubleshooting Hardware

Troubleshooting EX8200 Components | 299

Understand Alarm Types and Severity Levels on EX Series Switches | 299

Chassis Component Alarm Conditions on EX8200 Switches | 300

Check Active Alarms with the J-Web Interface | 311

Monitor System Log Messages | 312

Troubleshooting an EX8200 Line Card’s Failure to Power On | 317

Troubleshoot Temperature Alarms in EX Series Switches | 320

Contacting Customer Support and Returning the Chassis or Components

Returning an EX8200 Chassis or Components | 326

Returning an EX8200 Switch or Component for Repair or Replacement | 326

Locating the Serial Number on an EX8200 Switch or Component | 327

Listing the Switch and Components Details with the CLI | 327

Locating the Serial Number ID Label on an EX8200 Switch Chassis | 330

Locating Serial Number ID Labels on FRU Components | 331

Contact Customer Support to Obtain Return Material Authorization | 339

Packing an EX8200 Switch or Component | 340

Packing an EX8200 Switch | 340

Packing EX8200 Switch Components for Shipping | 343

Packing a Line Card Used in an EX8200 Switch | 344

Safety and Compliance Information

General Safety Guidelines and Warnings | 347

Definitions of Safety Warning Levels | 348

Qualified Personnel Warning | 351

Warning Statement for Norway and Sweden | 352

Fire Safety Requirements | 352

Fire Suppression | 352

Fire Suppression Equipment | 352

Installation Instructions Warning | 354

Chassis and Component Lifting Guidelines | 354

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