Juniper EX4300 User manual

EX4300 Switch Hardware Guide

Modified: 2017-06-08

Juniper Networks, Inc.

1133 Innovation Way

Sunnyvale, California 94089

USA

408-745-2000

www.juniper.net

Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United

States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other

trademarks, service marks, registered trademarks, 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.

EX4300 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

http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions of

that EULA.

Table of Contents

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix

Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

EX4300 Switches Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

EX4300 Switches First View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

24-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

48-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Uplink Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

EX4300 Switch Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Identifying EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

EX4300 Switch Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . 20

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chassis Physical Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 25

Field-Replaceable Units in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

LCD Panel in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LCD Panel Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

LCD Panel Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Uplink Modules in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Chassis Status LEDs on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Management Port LEDs on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Network Port, Built-In QSFP+ Port, Uplink Port, and Uplink Module Port LEDs

on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Cooling System and Airflow in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 43

Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Airflow Direction in EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Front-to-Back Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Back-to-Front Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Do Not Mix AIR IN (AFI) and AIR OUT (AFO) Components in the Switch . . . 47

Positioning the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Fan Module Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

AC Power Supply in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Characteristics of an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

AC Power Supply Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

N+0 Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . 52

N+N Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . 53

AC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

DC Power Supply in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Characteristics of a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

DC Power Supply Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

N+0 Redundancy Configuration of DC Power Supplies . . . . . . . . . . . . . . . . . 60

N+N Redundancy Configuration of DC Power Supplies . . . . . . . . . . . . . . . . . 60

DC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Dashboard for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Graphical Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

System Information Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Health Status Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Capacity Utilization Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Alarms Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Site Preparation Checklist for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Environmental Requirements and Specifications for EX Series Switches . . . . . . 88

General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Clearance Requirements for Airflow and Hardware Maintenance for EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

AC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 99

AC Power Cord Specifications for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . 100

EX4300 Switch Hardware Guide

DC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . 104

Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 104

Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . 105

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Pluggable Transceivers Supported on EX4300 Switches . . . . . . . . . . . . . . . . . . 109

Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 133

SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . 134

Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

QSFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . 141

Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Management Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

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

and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 147

Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 147

Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Mini-USB Port Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 150

RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . 152

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

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . . . . . . . . . 157

Part 3 Initial Installation and Configuration

Chapter 10 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Unpacking an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Parts Inventory (Packing List) for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 162

Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 163

Chapter 11 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Installing and Connecting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Mounting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet . . . . . . . . . . . . 167

Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet . . . . . . . . . . . . 169

Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet . . . . . . 173

Mounting an EX4300 Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Installing and Removing EX4300 Switch Hardware Components . . . . . . . . . . . . 176

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 179

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

Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Special Instructions to Follow Before Connecting Earth Ground to a

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Table of Contents

Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 184

Connecting AC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Connecting DC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . 193

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

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Connecting an EX Series Switch to a ManagementConsole by Using the Mini-USB

Type-B Console Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Connecting EX Series Switches in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . 198

Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . 199

Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Valid Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 201

Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 203

Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

EX4300 Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . 215

Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . . 218

Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 223

Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . 223

Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Part 4 Installing, Maintaining, and Replacing Components

Chapter 15 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Installing a Fan Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Removing a Fan Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 231

Chapter 16 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Installing an AC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 233

Removing an AC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . 235

Installing a DC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 236

Removing a DC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . 238

Chapter 17 Replacing Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Installing an Uplink Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 241

Removing an Uplink Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . 243

Chapter 18 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Chapter 19 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 253

Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . 254

Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

EX4300 Switch Hardware Guide

Chapter 20 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Returning an EX4300 Switch or Component for Repair or Replacement . . . . . . 257

Locating the Serial Number on an EX4300 Switch or Component . . . . . . . . . . . 258

Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 258

Locating the Chassis Serial Number ID Label on an EX4300 Switch . . . . . . 259

Locating the Serial Number ID Labels on FRUs in an EX4300 Switch . . . . . 259

Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 262

Packing an EX4300 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 262

Packing an EX4300 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Packing EX4300 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 264

Part 5 Troubleshooting

Chapter 21 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . 269

Chassis Component Alarm Conditions on EX4300 Switches . . . . . . . . . . . . . . . 270

Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . 274

Monitoring System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275

Part 6 Safety and Compliance Information

Chapter 22 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287

Chapter 23 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

Chapter 24 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 291

Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 294

Wall-Mounting Warning for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 298

Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

Chapter 25 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 301

Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 301

General Laser Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

Table of Contents

Chapter 26 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 305

Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 305

Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305

Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308

Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

Chapter 27 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 311

Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . . . . . 316

DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 320

DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 324

TN Power Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324

Chapter 28 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 327

Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

Compliance Statements for EMC Requirements for EX Series Switches . . . . . . 328

Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328

European Community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Israel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

FCC Part 15 Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331

Compliance Statements for Acoustic Noise for EX Series Switches . . . . . . . . . . 332

EX4300 Switch Hardware Guide

List of Figures

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Figure 1: Front Panel of a 24-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2: Rear Panel of a 24-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 3: Front Panel of a 32-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 4: Rear Panel of a 32-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5: Front Panel of a 48-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 6: Rear Panel of a 48-Port EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 7: Components on the Front Panel of a 24-Port EX4300 Switch . . . . . . . . 13

Figure 8: Components on the Front Panel of a 32-Port EX4300 Switch . . . . . . . . 13

Figure 9: Components on the Front Panel of a 48-Port EX4300 Switch . . . . . . . . 14

Figure 10: Components on the Rear Panel of a 24-Port and 48-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 11: Components on the Rear Panel of a 32-Port EX4300 Switch . . . . . . . . . 15

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 12: LCD Panel in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 13: 4-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . . . . . . . . . . . 33

Figure 14: LEDs on the 4-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . 33

Figure 15: 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module . . . . . . . . . . . . . . . . 34

Figure 16: LEDs on the 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module . . . . . . 34

Figure 17: 8-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . . . . . . . . . . . 35

Figure 18: LEDs on the 8-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . 35

Figure 19: Chassis Status LEDs in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 20: LEDs on the Management Port on a 24-port EX4300 Switch . . . . . . . 38

Figure 21: LEDs on 10/100/1000BASE-T Network Ports . . . . . . . . . . . . . . . . . . . . 39

Figure 22: LEDs on SFP Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 23: LEDs on the Built-In QSFP+ Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 24: LEDs on the SFP+ Uplink Ports and on the SFP+ Uplink Module Ports

on the 4-Port SFP+ Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 25: LEDs on the QSFP+ Uplink Module Ports . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 26: LEDs on the SFP+ Ports on the 8-Port SFP+ Uplink Module . . . . . . . . 40

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 27: Fan Module Used in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 28: Front-to-Back Airflow Through 24-Port and 48-Port EX4300 Switch

Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 29: Front-to-Back Airflow Through 32-Port EX4300 Switch Chassis . . . . 46

Figure 30: Back-to-Front Airflow Through the 24-Port and 48-Port EX4300

Switch Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Figure 31: AC Power Supply for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 50

Figure 32: AC Power Supply LEDs in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . 56

Figure 33: DC Power Supply for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 58

Figure 34: DC Power Supply Faceplate on an EX4300 Switch . . . . . . . . . . . . . . . . 62

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Figure 35: Front-to-Back Airflow on 24-Port and 48-Port EX4300 Switches . . . 96

Figure 36: Front-to-Back Airflow on 32-Port EX4300 Switches . . . . . . . . . . . . . . 96

Figure 37: Back-to-Front Airflow on 24-Port and 48-Port EX4300 Switches . . . . 96

Figure 38: Clearance Requirements for Airflow and Hardware Maintenance for

an EX4300 Switch Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Figure 39: SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . 134

Figure 40: QSFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . 141

Part 3 Initial Installation and Configuration

Chapter 11 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Figure 41: Attaching the Mounting Bracket to the Side Panel of the Switch . . . . 168

Figure 42: Mounting the Switch on Two Posts of a Rack . . . . . . . . . . . . . . . . . . . 169

Figure 43: Attaching the Side Mounting-Rail to the Switch Chassis . . . . . . . . . . . 171

Figure 44: Mounting the Switch on Front Posts of a Rack . . . . . . . . . . . . . . . . . . . 172

Figure 45: Sliding the Rear Mounting-Blades into the Side Mounting-Rails . . . . . 172

Figure 46: Attaching Wall-Mount Brackets to the Switch Chassis . . . . . . . . . . . . 175

Figure 47: Mounting the Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Figure 48: Connecting the Grounding Lug to a Switch Mounted on Four Posts of

a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 49: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 184

Figure 50: Connecting an AC Power Cord to an AC Power Supply in an EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Figure 51: Securing Ring Lugs to the Terminals on the DC Power Supply . . . . . . . 192

Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Figure 52: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 193

Figure 53: Connecting a Device to a Network for Out-of-Band Management . . . 194

Figure 54: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . 194

Figure 55: Connecting a Device to a Management Console Through a Console

Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Figure 56: Connecting a Device Directly to a Management Console . . . . . . . . . . 195

Figure 57: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in

a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Figure 58: Mixed Mode VCF with an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 199

Figure 59: QFX3500 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 202

Figure 60: QFX3500 Using the 10G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 203

EX4300 Switch Hardware Guide

Figure 61: QFX3600 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 204

Figure 62: QFX3500 and QFX3600 Mixed Using the 40G Ports as the VCPs . . 204

Figure 63: QFX3500 and QFX3600 Mixed Using Both 40G Ports and 10G Ports

as the VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Figure 64: QFX5100 Master Connecting QFX3600 and QFX3500 Using 40G

Ports as VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Figure 65: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Figure 66: LCD Panel in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Part 4 Installing, Maintaining, and Replacing Components

Chapter 15 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Figure 67: Installing a Fan Module in a 24-Port EX4300 Switch . . . . . . . . . . . . . 230

Figure 68: Removing a Fan Module from an EX4300 Switch . . . . . . . . . . . . . . . . 232

Chapter 16 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Figure 69: Installing an AC Power Supply in an EX4300 Switch . . . . . . . . . . . . . 234

Figure 70: Removing an AC Power Supply from an EX4300 Switch . . . . . . . . . . 236

Figure 71: Installing a DC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . 238

Figure 72: Removing a DC Power Supply from an EX4300 Switch . . . . . . . . . . . 240

Chapter 17 Replacing Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Figure 73: Installing a 4-Port SFP+ Uplink Module in a 24-Port or 48-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Figure 74: Installing a 2-Port QSFP+ Uplink Module in a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Figure 75: Installing an 8-Port SFP+ Uplink Module in a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Figure 76: Removing a 4-Port SFP+ Uplink Module from a 24-Port or 48-Port

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

Figure 77: Removing a 2-Port QSFP+ Uplink Module from a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

Figure 78: Removing an 8-Port SFP+ Uplink Module from a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

Chapter 18 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Figure 79: Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Figure 80: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . 251

Chapter 19 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 253

Figure 81: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in

a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

Chapter 20 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Figure 82: Location of the Serial Number ID Label on 24-Port and 48-Port

EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Figure 83: Location of the Serial Number ID Label on 32-Port EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

List of Figures

Figure 84: Location of the Serial Number ID Label on an AC Power Supply Used

in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Figure 85: Location of the Serial Number ID Label on a DC Power Supply Used

in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Figure 86: Location of the Serial Number ID Label on the Fan Module Used in an

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Figure 87: Location of the Serial Number ID Label on the QSFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Figure 88: Location of the Serial Number ID Label on the 4-Port SFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Figure 89: Location of the Serial Number ID Label on the 8-Port SFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Part 6 Safety and Compliance Information

Chapter 27 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

Figure 90: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 314

EX4300 Switch Hardware Guide

List of Tables

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Table 3: Components in 24-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 4: Components in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 5: Components in 48-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 6: Uplink Modules for 24-Port and 48-Port EX4300 Switches . . . . . . . . . . 10

Table 7: Uplink Modules for 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 10

Table 8: Airflow Direction in Power Supplies for EX4300 Switches . . . . . . . . . . . . 11

Table 9: EX4300 Switch Models, Shipped Components, and Supported Junos

OS Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 10: CLI Equivalents of Terms Used in the Documentation for EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 11: Physical Specifications of the EX4300 Switch Chassis . . . . . . . . . . . . . . 25

Table 12: LCD Panel Menu Options in EX4300 Switches . . . . . . . . . . . . . . . . . . . . 30

Table 13: Uplink Modules in 24-Port and 48-Port EX4300 Switches . . . . . . . . . . . 32

Table 14: Uplink Modules in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 32

Table 15: Uplink Modules Used in 24-Port and 48-Port EX4300 Switches . . . . . . 33

Table 16: Uplink Modules Used in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . 34

Table 17: Chassis Status LEDs on an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 37

Table 18: Link/Activity LED on the Management Port on an EX4300 Switch . . . . 38

Table 19: Status LED on the Management Port on an EX4300 Switch . . . . . . . . . 38

Table 20: Link/Activity LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Table 21: Status LED on 10/100/1000BASE-T Ethernet Network Ports and SFP

Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 22: Status LED on SFP+ Uplink Ports and SFP+ Uplink Module Ports . . . . . 41

Table 23: Status LED on QSFP+ Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 24: Fan Modules in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 25: Airflow Direction in EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . 44

Table 26: Fan Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 27: Details of the AC Power Supplies in EX4300 Switches . . . . . . . . . . . . . 50

Table 28: Airflow Direction in AC Power Supply Models for EX4300 Switches . . . 51

Table 29: N+0 AC Power Calculations for 24-Port EX4300 Switches . . . . . . . . . . 52

Table 30: N+0 AC Power Calculations for 32-Port EX4300 Switches . . . . . . . . . . 53

Table 31: N+0 AC Power Calculations for 48-Port EX4300 Switches . . . . . . . . . . 53

Table 32: N+N AC Power Calculations for 24-Port EX4300 Switches . . . . . . . . . . 54

Table 33: N+N AC Power Calculations for 32-Port EX4300 Switches . . . . . . . . . . 55

Table 34: N+N AC Power Calculations for 48-Port EX4300 Switches . . . . . . . . . 55

Table 35: AC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 57

Table 36: Details of the DC Power Supplies in EX4300 Switches . . . . . . . . . . . . . 58

Table 37: Airflow Direction in DC Power Supply Models for EX4300 Switches . . . 59

Table 38: N+0 DC Power Calculations for EX4300 Switch Configurations . . . . . 60

Table 39: N+N DC Power Calculations for EX4300 Switch Configurations . . . . . . 61

Table 40: DC Power Supply LEDs on an EX4300 Switch . . . . . . . . . . . . . . . . . . . . 62

Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 41: Details of a Virtual Chassis Member Switch . . . . . . . . . . . . . . . . . . . . . . 66

Table 42: Status of a Member Switch in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 67

Table 43: System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Table 44: Health Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 45: Capacity Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Table 46: Chassis Viewer for EX2200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 47: Chassis Viewer for EX2200-C Switches . . . . . . . . . . . . . . . . . . . . . . . . . 73

Table 48: Chassis Viewer for EX3200, EX3300, and EX4200 Switches . . . . . . . . 73

Table 49: Chassis Viewer for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Table 50: Chassis Viewer for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Table 51: Chassis Viewer for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Table 52: Chassis Viewer for EX4600 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Table 53: Chassis Viewer for EX6210 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Table 54: Chassis Viewer for EX8208 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Table 55: Chassis Viewer for EX8216 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Table 56: Chassis Viewer for XRE200 External Routing Engines . . . . . . . . . . . . . . 82

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Table 57: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Table 58: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . 89

Table 59: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Table 60: Rack Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 94

Table 61: Cabinet Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . 95

Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Table 62: 350 W AC Power Supply Specifications for an EX4300 Switch . . . . . . 99

Table 63: 715 W AC Power Supply Specifications for an EX4300 Switch . . . . . . 100

Table 64: 1100 W AC Power Supply Specifications for an EX4300 Switch . . . . . 100

Table 65: AC Power Cord Specifications for 350 W and 715 W AC Power Supplies

for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Table 66: AC Power Cord Specifications for 1100 W AC Power Supplies for an

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Table 67: DC Power Supply Specifications for an EX4300 Switch . . . . . . . . . . . . 104

Table 68: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . 106

EX4300 Switch Hardware Guide

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Table 69: Optical Interface Support and Copper Interface Support for Gigabit

Ethernet SFP Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Table 70: Optical Interface Support for Fast Ethernet SFP Transceivers . . . . . . . 120

Table 71: Optical Interface Support for SFP+ Transceivers . . . . . . . . . . . . . . . . . . 121

Table 72: Optical Interface Support for QSFP+ Transceivers . . . . . . . . . . . . . . . . 129

Table 73: Software Support for SFP+ Passive Direct Attach Copper Cables for

EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Table 74: SFP+ Direct Attach Copper Cable Specifications . . . . . . . . . . . . . . . . . 137

Table 75: Software Support for QSFP+ Passive Direct Attach Copper Cables for

EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Table 76: QSFP+ Direct Attach Copper Cable Specifications . . . . . . . . . . . . . . . . 143

Table 77: Specifications of Cables to Connect to Management Devices . . . . . . . 146

Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Table 78: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . 149

Table 79: Mini-USB Type-B Console Port Pinout Information . . . . . . . . . . . . . . . 150

Table 80: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . 152

Table 81: 10/100/1000BASE-T Ethernet Network Port Connector Pinout

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Table 82: SFP Network Port Connector Pinout Information . . . . . . . . . . . . . . . . . 153

Table 83: SFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . . . 154

Table 84: QSFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . 155

Table 85: RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . 157

Part 3 Initial Installation and Configuration

Chapter 10 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Table 86: Inventory of Components Provided with an EX4300 Switch . . . . . . . . 162

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Table 87: Parts and Tools Required for Connecting an EX Series Switch to Earth

Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Table 88: Special Instructions to Follow Before Connecting Earth Ground to a

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Part 5 Troubleshooting

Chapter 21 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Table 89: Alarm Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Table 90: Chassis Component Alarm Conditions on EX4300 Switches . . . . . . . 271

Table 91: Summary of Key Alarm Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . 275

Table 92: Filtering System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

Table 93: Viewing System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278

List of Tables

EX4300 Switch Hardware Guide

About the Documentation

•

Documentation and Release Notes on page xvii

•

Supported Platforms on page xvii

•

Documentation Conventions on page xvii

•

Documentation Feedback on page xix

•

Requesting Technical Support on page xx

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

http://www.juniper.net/techpubs/.

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 http://www.juniper.net/books.

Supported Platforms

For the features described in this document, the following platforms are supported:

•

EX4300

Documentation Conventions

Table 1 on page xviii defines notice icons used in this guide.

Table 1: Notice Icons

DescriptionMeaningIcon

Indicates important features or instructions.Informational note

Indicates a situation that might result in loss of data or hardware damage.Caution

Alerts you to the risk of personal injury or death.Warning

Alerts you to the risk of personal injury from a laser.Laser warning

Indicates helpful information.Tip

Alerts you to a recommended use or implementation.Best practice

Table 2 on page xviii defines the text and syntax conventions used in this guide.

Table 2: Text and Syntax Conventions

ExamplesDescriptionConvention

To enter configuration mode, type the

configure command:

user@host> configure

Represents text that you type.Bold text like this

user@host> show chassis alarms

No alarms currently active

Represents output that appears on the

terminal screen.

Fixed-width text like this

•

A policy term is a named structure

that defines match conditions and

actions.

•

Junos OS CLI User Guide

•

RFC 1997, BGP Communities Attribute

•

Introduces or emphasizes important

new terms.

•

Identifies guide names.

•

Identifies RFC and Internet draft titles.

Italic text like this

Configure the machine’s domain name:

[edit]

root@# set system domain-name

domain-name

Represents variables (options for which

you substitute a value) in commands or

configuration statements.

Italic text like this

EX4300 Switch Hardware Guide

Table 2: Text and Syntax Conventions (continued)

ExamplesDescriptionConvention

•

To configure a stub area, include the

stub statement at the [edit protocols

ospf area area-id] hierarchy level.

•

The console portis labeledCONSOLE.

Represents names of configuration

statements, commands, files, and

directories; configuration hierarchylevels;

or labels on routing platform

components.

Text like this

stub <default-metric metric>;Encloses optional keywords or variables.< > (angle brackets)

broadcast | multicast

(string1 | string2 | string3)

Indicates a choice between the mutually

exclusive keywords or variables on either

side of the symbol. The set of choices is

often enclosed in parentheses for clarity.

| (pipe symbol)

rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the

same line as the configuration statement

to which it applies.

# (pound sign)

community name members [

community-ids ]

Encloses a variable for which you can

substitute one or more values.

[ ] (square brackets)

[edit]

routing-options {

static {

route default {

nexthop address;

retain;

}

Identifies a level in the configuration

hierarchy.

Indention and braces ( { } )

Identifies a leaf statement at a

configuration hierarchy level.

; (semicolon)

GUI Conventions

•

In the Logical Interfaces box, select

All Interfaces.

•

To cancel the configuration, click

Cancel.

Represents graphical user interface (GUI)

items you click or select.

Bold text like this

In the configuration editor hierarchy,

select Protocols>Ospf.

Separates levels in a hierarchy of menu

selections.

> (bold right angle bracket)

Documentation Feedback

We encourage you to provide feedback, comments, and suggestions so that we can

improve the documentation. You can provide feedback by using either of the following

methods:

•

Online feedback rating system—On any page of the Juniper Networks TechLibrary site

at http://www.juniper.net/techpubs/index.html, simply click the stars to rate the content,

and use the pop-up form to provide us with information about your experience.

Alternately, you can use the online feedback form at

http://www.juniper.net/techpubs/feedback/.

About the Documentation

•

E-mail—Send yourcommentsto techpubs-comments@juniper.net. Include the document

or topic name, URL or page number, and software version (if applicable).

Requesting Technical Support

Technical product support is available through the Juniper Networks Technical Assistance

Center (JTAC). If you are a customer with an active J-Care or Partner Support Service

support contract, or are covered under warranty, and need post-sales technical support,

you can access our tools and resources online or open a case with JTAC.

•

JTAC policies—For a complete understanding of our JTAC procedures and policies,

review the JTAC User Guide located at

http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.

•

Product warranties—For product warranty information, visit

http://www.juniper.net/support/warranty/.

•

JTAC hours of operation—The JTAC centers have resources available 24 hours a day,

7 days a week, 365 days a year.

Self-Help Online Tools and Resources

For quick and easy problem resolution, Juniper Networks has designed an online

self-service portal called the Customer Support Center (CSC) that provides you with the

following features:

•

Find CSC offerings: http://www.juniper.net/customers/support/

•

Search for known bugs: http://www2.juniper.net/kb/

•

Find product documentation: http://www.juniper.net/techpubs/

•

Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/

•

Download the latest versions of software and review release notes:

http://www.juniper.net/customers/csc/software/

•

Search technical bulletins for relevant hardware and software notifications:

http://kb.juniper.net/InfoCenter/

•

Join and participate in the Juniper Networks Community Forum:

http://www.juniper.net/company/communities/

•

Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/

To verifyservice entitlement by product serial number, use our Serial Number Entitlement

(SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/

Opening a Case with JTAC

You can open a case with JTAC on the Web or by telephone.

•

Use the Case Management tool in the CSC at http://www.juniper.net/cm/.

•

Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).

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