Juniper EX4300 User manual

EX4300 Switch Hardware Guide

Modified: 2015-06-29

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Chassis Physical Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 23

Field-Replaceable Units in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

LCD Panel in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

LCD Panel Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

LCD Panel Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Uplink Modules in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Chassis Status LEDs on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Management Port LEDs on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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

on EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Cooling System and Airflow in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 41

Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Airflow Direction in EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Front-to-Back Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Back-to-Front Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Do Not Mix AIR IN (AFI) and AIR OUT (AFO) Components in the Switch . . . 45

Positioning the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Fan Module Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

AC Power Supply in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Characteristics of an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

AC Power Supply Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

N+0 Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . 50

N+N Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . . 51

AC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

DC Power Supply in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Characteristics of a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

DC Power Supply Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

N+0 Redundancy Configuration of DC Power Supplies . . . . . . . . . . . . . . . . . 57

N+N Redundancy Configuration of DC Power Supplies . . . . . . . . . . . . . . . . . 58

DC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Dashboard for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Graphical Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

System Information Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Health Status Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Capacity Utilization Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Alarms Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Site Preparation Checklist for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Environmental Requirements and Specifications for EX Series Switches . . . . . . 84

General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Rack Requirements for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Cabinet Requirements for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Clearance Requirements for Airflow and Hardware Maintenance for EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

AC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 97

AC Power Cord Specifications for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 98

EX4300 Switch Hardware Guide

DC Power Supply Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . 102

Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 102

Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . 103

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Pluggable Transceivers Supported on EX4300 Switches . . . . . . . . . . . . . . . . . . . 107

SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . 128

Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

QSFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . 132

Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Network Cable Specifications for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 136

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

and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 137

Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 138

Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Console Port Connector Pinout Information for an EX Series Switch . . . . . . . . . . 139

Mini-USB Port Specifications for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 140

USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Management Port Connector Pinout Information for an EX4300 Switch . . . . . . 142

Network Port, QSFP+ Port, SFP Port, and SFP+ Port Connector Pinout

Information for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch . . . . . . . . . . 148

Part 3 Initial Installation and Configuration

Chapter 10 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Unpacking an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Parts Inventory (Packing List) for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 152

Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 153

Chapter 11 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Installing and Connecting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Mounting an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet . . . . . . . . . . . . 157

Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet . . . . . . . . . . . . 159

Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet . . . . . 163

Mounting an EX4300 Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

Installing and Removing EX4300 Switch Hardware Components . . . . . . . . . . . . 165

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 167

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

Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Special Instructions to Follow Before Connecting Earth Ground to a

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . 172

Connecting AC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Connecting DC Power to an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Table of Contents

Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Connecting a Switch to a Network for Out-of-Band Management . . . . . . . . . . . . 181

Connecting a Switch to a Management Console . . . . . . . . . . . . . . . . . . . . . . . . . 183

Connecting an EX4300 Switch to a Management Console Using the Mini-USB

Type-B Console Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Connecting a Fiber-Optic Cable to a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Connecting EX Series Switches in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . 187

Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . 189

Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Valid Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . 191

Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 192

Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

EX4300 Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . 205

Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . 208

Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 211

Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . . 212

Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

Part 4 Installing, Maintaining, and Replacing Components

Chapter 15 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

Installing a Fan Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

Removing a Fan Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 219

Chapter 16 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Installing an AC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . 221

Removing an AC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . 223

Installing a DC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 224

Removing a DC Power Supply from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . 226

Chapter 17 Replacing Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Installing an Uplink Module in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 229

Removing an Uplink Module from an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . 231

Chapter 18 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Removing a Transceiver from a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237

Chapter 19 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 241

Connecting a Fiber-Optic Cable to a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Disconnecting a Fiber-Optic Cable from a Switch . . . . . . . . . . . . . . . . . . . . . . . . 242

Maintaining Fiber-Optic Cables in Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

EX4300 Switch Hardware Guide

Chapter 20 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

Returning an EX4300 Switch or Component for Repair or Replacement . . . . . . 245

Locating the Serial Number on an EX4300 Switch or Component . . . . . . . . . . . 246

Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 246

Locating the Chassis Serial Number ID Label on an EX4300 Switch . . . . . . 247

Locating the Serial Number ID Labels on FRUs in an EX4300 Switch . . . . . 247

Contacting Customer Support to Obtain Return Materials Authorization for

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Packing an EX4300 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 252

Packing an EX4300 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Packing EX4300 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 253

Part 5 Troubleshooting

Chapter 21 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . . 257

Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . 258

Monitoring System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Part 6 Safety and Compliance Information

Chapter 22 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Chapter 23 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Chapter 24 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 273

Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

Chassis Lifting Guidelines for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 275

Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 278

Wall-Mounting Warning for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Chapter 25 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 285

Laser and LED Safety Guidelines and Warnings for Switches . . . . . . . . . . . . . . . 285

General Laser Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287

Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Table of Contents

Chapter 26 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 291

Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 291

Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293

Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

Chapter 27 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 297

General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 297

Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . 299

AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304

DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 307

DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308

DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310

Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 312

TN Power Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Chapter 28 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 315

Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

Compliance Statements for EMC Requirements for EX Series Switches . . . . . . . 316

Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316

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

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 12: LCD Panel in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 13: 4-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . . . . . . . . . . . . 31

Figure 14: LEDs on the 4-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . 31

Figure 15: 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module . . . . . . . . . . . . . . . . 32

Figure 16: LEDs on the 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module . . . . . . 32

Figure 17: 8-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . . . . . . . . . . . 33

Figure 18: LEDs on the 8-Port 10-Gigabit Ethernet SFP+ Uplink Module . . . . . . . . 33

Figure 19: Chassis Status LEDs in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 20: LEDs on the Management Port on a 24-port EX4300 Switch . . . . . . . 35

Figure 21: LEDs on 10/100/1000BASE-T Network Ports . . . . . . . . . . . . . . . . . . . . . 37

Figure 22: LEDs on SFP Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 23: LEDs on the Built-In QSFP+ Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

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

on the 4-Port SFP+ Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 25: LEDs on the QSFP+ Uplink Module Ports . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 26: LEDs on the SFP+ Ports on the 8-Port SFP+ Uplink Module . . . . . . . . 38

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 27: Fan Module Used in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 42

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

Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 29: Front-to-Back Airflow Through 32-Port EX4300 Switch Chassis . . . . 44

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

Switch Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 31: AC Power Supply for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 48

Figure 32: AC Power Supply LEDs in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . 54

Figure 33: DC Power Supply for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 34: DC Power Supply Faceplate on an EX4300 Switch . . . . . . . . . . . . . . . 60

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 35: Front-to-Back Airflow on 24-Port and 48-Port EX4300 Switches . . . 94

Figure 36: Front-to-Back Airflow on 32-Port EX4300 Switches . . . . . . . . . . . . . . 94

Figure 37: Back-to-Front Airflow on 24-Port and 48-Port EX4300 Switches . . . . 94

Figure 38: Clearance Requirements for Airflow and Hardware Maintenance for

an EX4300 Switch Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 39: SFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . . 128

Figure 40: QSFP+ Direct Attach Cables for EX Series Switches . . . . . . . . . . . . . . 133

Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Figure 41: Location of the Mini-USB Type-B Console Port on the Front Panel of

an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Part 3 Initial Installation and Configuration

Chapter 11 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Figure 42: Attaching the Mounting Bracket to the Side Panel of the Switch . . . . 158

Figure 43: Mounting the Switch on Two Posts of a Rack . . . . . . . . . . . . . . . . . . . 159

Figure 44: Attaching the Side Mounting-Rail to the Switch Chassis . . . . . . . . . . . 161

Figure 45: Mounting the Switch on Front Posts of a Rack . . . . . . . . . . . . . . . . . . . 162

Figure 46: Sliding the Rear Mounting-Blades into the Side Mounting-Rails . . . . 162

Figure 47: Attaching Wall-Mount Brackets to the Switch Chassis . . . . . . . . . . . . 164

Figure 48: Mounting the Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Figure 49: Connecting the Grounding Lug to a Switch Mounted on Four Posts of

a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Figure 50: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 172

Figure 51: Connecting an AC Power Cord to an AC Power Supply in an EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Figure 52: Securing Ring Lugs to the Terminals on the DC Power Supply . . . . . . . 179

Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Figure 53: Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Figure 54: Connecting a Switch to a Network for Out-of-Band Management . . . 182

Figure 55: Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 56: Connecting a Switch to a Management Console Through a Console

Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Figure 57: Connecting a Switch Directly to a Management Console . . . . . . . . . . 184

Figure 58: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed

in a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

EX4300 Switch Hardware Guide

Figure 59: Mixed Mode VCF with a EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 189

Figure 60: QFX3500 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 191

Figure 61: QFX3500 Using the 10G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 192

Figure 62: QFX3600 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 193

Figure 63: QFX3500 and QFX3600 Mixed Using the 40G Ports as the VCPs . . . 193

Figure 64: QFX3500 and QFX3600 Mixed Using Both 40G Ports and 10G Ports

as the VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Figure 65: QFX5100 Master Connecting QFX3600 and QFX3500 Using 40G

Ports as VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Figure 66: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Figure 67: LCD Panel in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Part 4 Installing, Maintaining, and Replacing Components

Chapter 15 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

Figure 68: Installing a Fan Module in a 24-Port EX4300 Switch . . . . . . . . . . . . . 218

Figure 69: Removing a Fan Module from an EX4300 Switch . . . . . . . . . . . . . . . . 219

Chapter 16 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Figure 70: Installing an AC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . 222

Figure 71: Removing an AC Power Supply from an EX4300 Switch . . . . . . . . . . . 224

Figure 72: Installing a DC Power Supply in an EX4300 Switch . . . . . . . . . . . . . . . 226

Figure 73: Removing a DC Power Supply from an EX4300 Switch . . . . . . . . . . . . 227

Chapter 17 Replacing Uplink Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Figure 74: Installing a 4-Port SFP+ Uplink Module in a 24-Port or 48-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230

Figure 75: Installing a 2-Port QSFP+ Uplink Module in a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230

Figure 76: Installing an 8-Port SFP+ Uplink Module in a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Figure 77: Removing a 4-Port SFP+ Uplink Module from a 24-Port or 48-Port

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Figure 78: Removing a 2-Port QSFP+ Uplink Module from a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Figure 79: Removing an 8-Port SFP+ Uplink Module from a 32-Port EX4300

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Chapter 18 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Figure 80: Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . 237

Figure 81: Removing a Transceiver from a Switch . . . . . . . . . . . . . . . . . . . . . . . . . 239

Chapter 19 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 241

Figure 82: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in

a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Chapter 20 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

List of Figures

Figure 83: Location of the Serial Number ID Label on 24-Port and 48-Port

EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Figure 84: Location of the Serial Number ID Label on 32-Port EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Figure 85: Location of the Serial Number ID Label on an AC Power Supply Used

in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Figure 86: Location of the Serial Number ID Label on a DC Power Supply Used

in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Figure 87: Location of the Serial Number ID Label on the Fan Module Used in an

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Figure 88: Location of the Serial Number ID Label on the QSFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Figure 89: Location of the Serial Number ID Label on the 4-Port SFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Figure 90: Location of the Serial Number ID Label on the 8-Port SFP+ Uplink

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Part 6 Safety and Compliance Information

Chapter 27 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 297

Figure 91: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 300

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 in 24-Port and 48-Port EX4300 Switches . . . . . . . . . . . 10

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

Table 8: Airflow Direction in Power Supply 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 11: Physical Specifications of the EX4300 Switch Chassis . . . . . . . . . . . . . . 23

Table 12: LCD Panel Menu Options in EX4300 Switches . . . . . . . . . . . . . . . . . . . . 28

Table 13: Uplink Modules in 24-Port and 48-Port EX4300 Switches . . . . . . . . . . 30

Table 14: Uplink Modules in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 30

Table 15: Uplink Modules Used in 24-Port and 48-Port EX4300 Switches . . . . . . 31

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

Table 17: Chassis Status LEDs on an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 34

Table 18: Link/Activity LED on the Management Port on an EX4300 Switch . . . . 36

Table 19: Status LED on the Management Port on an EX4300 Switch . . . . . . . . . 36

Table 20: Link/Activity LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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

Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Table 22: Status LED on SFP+ Uplink Ports and SFP+ Uplink Module Ports . . . . 39

Table 23: Status LED on QSFP+ Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 24: Fan Modules in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 25: Airflow Direction in EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . 43

Table 26: Fan Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 27: Details of the AC Power Supplies in EX4300 Switches . . . . . . . . . . . . . 48

Table 28: Airflow Direction in AC Power Supply Models for EX4300 Switches . . . 49

Table 29: N+0 AC Power Calculations for 24-Port EX4300 Switches . . . . . . . . . . 50

Table 30: N+0 AC Power Calculations for 32-Port EX4300 Switches . . . . . . . . . . 51

Table 31: N+0 AC Power Calculations for 48-Port EX4300 Switches . . . . . . . . . . 51

Table 32: N+N AC Power Calculations for 24-Port EX4300 Switches . . . . . . . . . . 52

Table 33: N+N AC Power Calculations for 32-Port EX4300 Switches . . . . . . . . . . 53

Table 34: N+N AC Power Calculations for 48-Port EX4300 Switches . . . . . . . . . 53

Table 35: AC Power Supply LEDs in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 54

Table 36: Details of the DC Power Supplies in EX4300 Switches . . . . . . . . . . . . . 56

Table 37: Airflow Direction in DC Power Supply Models for EX4300 Switches . . . 57

Table 38: N+0 DC Power Calculations for EX4300 Switch Configurations . . . . . . 58

Table 39: N+N DC Power Calculations for EX4300 Switch Configurations . . . . . . 59

Table 40: DC Power Supply LEDs on an EX4300 Switch . . . . . . . . . . . . . . . . . . . 60

Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 41: Details of a Virtual Chassis Member Switch . . . . . . . . . . . . . . . . . . . . . . 62

Table 42: Status of a Member Switch in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 62

Table 43: System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Table 44: Health Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 45: Capacity Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Table 46: Chassis Viewer for EX2200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 47: Chassis Viewer for EX2200-C Switches . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 48: Chassis Viewer for EX3200, EX3300, and EX4200 Switches . . . . . . . . 69

Table 49: Chassis Viewer for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Table 50: Chassis Viewer for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 51: Chassis Viewer for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Table 52: Chassis Viewer for EX6210 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Table 53: Chassis Viewer for EX8208 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Table 54: Chassis Viewer for EX8216 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Table 55: Chassis Viewer for XRE200 External Routing Engines . . . . . . . . . . . . . . 77

Part 2 Site Planning, Preparation, and Specifications

Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Table 56: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Table 57: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 85

Table 58: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Table 59: Rack Requirements and Specifications for the Switch . . . . . . . . . . . . . . 91

Table 60: Cabinet Requirements and Specifications for the Switch . . . . . . . . . . . 92

Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Table 61: 350 W AC Power Supply Specifications for an EX4300 Switch . . . . . . . 97

Table 62: 715 W AC Power Supply Specifications for an EX4300 Switch . . . . . . . 98

Table 63: 1100 W AC Power Supply Specifications for an EX4300 Switch . . . . . . 98

Table 64: AC Power Cord Specifications for 350 W and 715 W AC Power Supplies

for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Table 65: AC Power Cord Specifications for 1100 W AC Power Supplies for an

EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Table 66: DC Power Supply Specifications for an EX4300 Switch . . . . . . . . . . . 102

Table 67: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . 104

Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

EX4300 Switch Hardware Guide

Table 68: Optical interface Support and Copper Interface Support for Gigabit

Ethernet SFP Transceivers in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . 109

Table 69: Optical interface Support for Fast Ethernet SFP Transceivers in EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Table 70: Optical interface Support for SFP+ Transceivers in EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Table 71: Optical interface Support for QSFP+ Transceivers in EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Table 72: Software Support for SFP+ Passive Direct Attach Cables for EX Series

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Table 73: SFP+ Direct Attach Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . 130

Table 74: Software Support for QSFP+ Passive Direct Attach Cables for EX

Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Table 75: QSFP+ Direct Attach Cable Specifications . . . . . . . . . . . . . . . . . . . . . . 134

Table 76: Cable Specifications for Switch-to-Management-Device

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Table 77: EX Series Switches Console Port Connector Pinout Information . . . . . 139

Table 78: Mini-USB Type-B Console Port Pinout Information for EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Table 79: Management Port Connector Pinout Information for EX4300

Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Table 80: 10/100/1000BASE-T Ethernet Network Port Connector Pinout

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Table 81: SFP Network Port Connector Pinout Information . . . . . . . . . . . . . . . . . 144

Table 82: Built-in SFP+ Uplink Port and SFP+ Uplink Module Port Connector

Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Table 83: Built-in QSFP+ Port and QSFP+ Uplink Module Port Connector Pinout

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Table 84: RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . 148

Part 3 Initial Installation and Configuration

Chapter 10 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Table 85: Inventory of Components Provided with an EX4300 Switch . . . . . . . . 152

Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Table 86: Parts and Tools Required for Connecting an EX Series Switch to Earth

Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Table 87: Special Instructions to Follow Before Connecting Earth Ground to a

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Part 5 Troubleshooting

Chapter 21 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Table 88: Alarm Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Table 89: Summary of Key Alarm Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . 259

Table 90: Filtering System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Table 91: Viewing System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

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 port is labeled CONSOLE.

Represents names of configuration

statements, commands, files, and

directories; configuration hierarchy levels;

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 at the Juniper Networks Technical

Documentation 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

https://www.juniper.net/cgi-bin/docbugreport/.

About the Documentation

•

E-mail—Send your commentsto techpubs-comments@juniper.net. Includethe 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 verify service entitlementbyproduct 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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