User Manuals: Juniper QFX5120 Series Data Switches

Table of Contents

3

About this Guide

9

Fast Track: Initial Installation

10

Fast Track to Rack Installation and Power

11

Install the QFX5120-48T/QFX5120-48Y/QFX5120-48YM Switch in a Rack

11

Connect to Power

16

Onboard, Configure, and Monitor QFX5120

22

Overview

24

QFX5120 System Overview

25

QFX5120 Switches Hardware Overview

25

Virtual Chassis

39

QFX5120 Switch Models and Variants

40

QFX5120 Switch Hardware and CLI Terminology Mapping

44

QFX5120 Chassis

50

Chassis Physical Specifications for QFX5120 Switches

50

Field-Replaceable Units in QFX5120 Switches

51

Chassis Status Leds in QFX5120 Switches

52

Leds on the Management Port on QFX5120 Switches

56

Network Port Leds on QFX5120 Switches

59

QFX5120 Cooling System

67

QFX5120 Power System

81

AC Power Supply in QFX5120 Switches

81

AC Power Supply Airflow

85

Power Supply Specifications for AC Power Supplies for QFX5120 Switches

86

Specifications of the Power Cord for AC Power Supplies for QFX5120 Switches

89

Leds on the AC Power Supplies Used in QFX5120 Switches

91

DC Power Supply in QFX5120 Switches

94

DC Power Supply Airflow

100

Power Supply Specifications for DC Power Supplies for QFX5120 Switches

101

Leds on the DC Power Supplies Used in QFX5120 Switches

103

High-Voltage Power Supply for QFX5120-48T Switches

106

Site Planning, Preparation, and Specifications

117

Site Preparation Checklist for QFX5120 Switches

118

QFX5120 Site Guidelines and Requirements

120

Environmental Requirements and Specifications for QFX5120 Switches

120

General Site Guidelines

121

Site Electrical Wiring Guidelines

122

Rack Requirements for QFX5120 Switches

123

Cabinet Requirements for QFX5120 Switches

124

Clearance Requirements for Airflow and Hardware Maintenance for QFX5120 Switches

126

QFX5120 Network Cable and Transceiver Planning

129

Pluggable Transceivers and Direct Attach Cables Supported on QFX5120 Switches

129

Cable Specifications for QSFP+ and QSFP28 Transceivers on QFX5120 Switches

130

How to Calculate the Fiber-Optic Cable Power Budget for QFX Series Switches

132

How to Calculate the Fiber-Optic Cable Power Margin for QFX Series Switches

133

QFX5120 Management Cable Specifications and Pinouts

135

Console Port Connector Pinout Information

135

RJ-45 Management Port Connector Pinout Information

137

To DB-9 Serial Port Adapter Pinout Information

137

Port, SFP Port, SFP+ Port, QSFP+ Port, and QSFP28 Port Connector Pinout Information

138

Initial Installation and Configuration

146

Unpack and Mount the QFX5120 Switch

147

Unpack the QFX5120 Switch

147

Parts Inventory (Packing List) for a QFX5120 Switch

148

Register Products-Mandatory to Validate Slas

152

Mount a QFX5120-32C Switch on a Four-Post Rack

152

Mount a QFX5120-32C Switch on a Two-Post Rack

156

Mount a QFX5120-48T, QFX5120-48Y, or QFX5120-48YM Switch in a Rack or Cabinet by Using the JNP-4PST-RMK-1U-E Rack Mount Kit

159

Mount the Device by Using the JNP-4PST-RMK-1U-E Rack Mount Kit on a Square Hole Rack

159

Mount the Device by Using the JNP-4PST-RMK-1U-E Rack Mount Kit on a Threaded Hole Rack

164

Mount a QFX5120-48T, QFX5120-48Y, or QFX5120-48YM Switch Flush with the Front Posts of a Rack or Cabinet by Using the EX-4PST-RMK Rack Mount Kit

170

Mount a QFX5120-48T, QFX5120-48Y, or QFX5120-48YM Switch in a Recessed Position from the Front Posts of a Rack or Cabinet by Using the EX-4PST-RMK Rack Mount Kit

175

Mount a QFX5120-48Y Switch on a Two-Post Rack

181

Mount a QFX5120-48T Switch on a Two-Post Rack

183

Mount a QFX5120-48YM Switch on a Two-Post Rack

186

Connect the QFX5120 to Power

188

Connect the QFX5120 Switch to Earth Ground

189

Connect Power to an AC-Powered QFX5120 Switch

194

Connect Power to a DC-Powered QFX5120 Switch

197

Connect Power to a QFX5120-48T Switch Powered by a High-Voltage Power Supply

203

Connect the QFX5120 to the Network

205

Install a Transceiver

205

Install a QSFP28 Transceiver

208

Connect a Fiber-Optic Cable

210

Connect the QFX5120 to External Devices

211

Connect a Device to a Network for Out-Of-Band Management

212

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

212

Connecting 1-PPS and 10-Mhz Measurement Devices to the QFX5120 Switch

214

Configure Junos os on the QFX5120

215

QFX5120 Default Configuration

215

Connect and Configure a QFX5120 Switch

216

Maintaining Components

222

Maintain the QFX5120 Cooling System

223

Remove a Fan Module from a QFX5120 Switch

223

Install a Fan Module in a QFX5120 Switch

225

Maintain the QFX5120 Power System

227

Remove a Power Supply from a QFX5120 Switch

228

Install a Power Supply in a QFX5120 Switch

231

Maintain Transceivers

234

Remove a Transceiver

235

Remove a QSFP28 Transceiver

237

Install a Transceiver

239

Install a QSFP28 Transceiver

242

Maintain Fiber-Optic Cables

244

Connect a Fiber-Optic Cable

245

Disconnect a Fiber-Optic Cable

246

How to Handle Fiber-Optic Cables

246

Troubleshooting Hardware

248

Troubleshoot the QFX5120 Device

249

Alarm Types and Severity Levels

249

Chassis Alarm Messages

251

Creating an Emergency Boot Device for QFX Series Switches

255

Recovering the Installation Using an Emergency Boot Device on QFX Series Switches

257

Contacting Customer Support and Returning the Chassis or Components

260

Return a QFX5120 Chassis or Components

261

How to Return a QFX5120 Switch or Component for Repair or Replacement

261

Locate the Serial Number on a QFX5120 Switch or Component

262

List the Switch and Components Details with the CLI

262

Locate the Chassis Serial Number ID Label on a QFX5120 Switch

263

Locate the Serial Number ID Labels on Frus in a QFX5120 Switch

264

Contact Customer Support to Obtain a Return Material Authorization

272

Pack a QFX5120 Switch or Component for Shipping

273

Pack a QFX5120 Switch for Shipping

273

Pack QFX5120 Switch Components for Shipping

274

Safety and Compliance Information

276

General Safety Guidelines and Warnings

278

Definitions of Safety Warning Levels

279

Qualified Personnel Warning

281

Warning Statement for Norway and Sweden

281

Fire Safety Requirements

282

Fire Suppression Equipment

282

Installation Instructions Warning

283

Chassis and Component Lifting Guidelines

284

Restricted Access Warning

284

Ramp Warning

286

Rack-Mounting and Cabinet-Mounting Warnings

286

Grounded Equipment Warning

290

Radiation from Open Port Apertures Warning

291

Laser and LED Safety Guidelines and Warnings

292

General Laser Safety Guidelines

293

Class 1 Laser Product Warning

293

Class 1 LED Product Warning

294

Laser Beam Warning

294

Maintenance and Operational Safety Guidelines and Warnings

295

Battery Handling Warning

295

Jewelry Removal Warning

296

Lightning Activity Warning

298

Operating Temperature Warning

299

Product Disposal Warning

300

General Electrical Safety Guidelines and Warnings

301

Action to Take after an Electrical Accident

302

Prevention of Electrostatic Discharge Damage

303

AC Power Electrical Safety Guidelines

304

AC Power Disconnection Warning

305

DC Power Electrical Safety Guidelines

306

DC Power Disconnection Warning

307

DC Power Grounding Requirements and Warning

309

DC Power Wiring Sequence Warning

309

DC Power Wiring Terminations Warning

311

Multiple Power Supplies Disconnection Warning

312

TN Power Warning

313

Agency Approvals for QFX5120 Switches

314

Compliance Statements for EMC Requirements for the QFX Series

316

Compliance Statement for Argentina

316

European Community

317

Nonregulatory Environmental Standards

319

Restriction of Hazardous Substances (Rohs) Directive Compliance

320

User Manuals: Juniper QFX5120 Series Data Switches

Juniper QFX5120 Series Hardware Manual (321 pages)

Table of Contents

Juniper QFX5120 Series Hardware Manual (207 pages)

Table of Contents

About the Documentation

1 Overview

QFX5120 System Overview

QFX5120 Chassis

QFX5120 Power System

2 Site Planning, Preparation, and Specifications

Site Preparation Checklist for QFX5120 Switches

QFX5120 Site Guidelines and Requirements

QFX5120 Network Cable and Transceiver Planning

QFX5120 Management Cable Specifications and Pinouts

3 Initial Installation and Configuration

Unpacking and Mounting the QFX5120 Switch

Connecting the QFX5120 to Power

Connecting the QFX5120 to the Network

Connecting the QFX5120 to External Devices

Configuring Junos os on the QFX5120

4 Maintaining Components

Maintaining the QFX5120 Cooling System

Maintaining the QFX5120 Power System

Maintaining Transceivers

Maintaining Fiber-Optic Cables

5 Troubleshooting Hardware

Troubleshooting QFX5120 Components

6 Contacting Customer Support and Returning the Chassis or Components

Returning a QFX5120 Chassis or Components

General Safety Guidelines and Warnings

Definitions of Safety Warning Levels

Qualified Personnel Warning

Warning Statement for Norway and Sweden

Fire Safety Requirements

Installation Instructions Warning

Chassis and Component Lifting Guidelines

Restricted Access Warning

Ramp Warning

Rack-Mounting and Cabinet-Mounting Warnings

Grounded Equipment Warning

Radiation from Open Port Apertures Warning

Laser and LED Safety Guidelines and Warnings

Maintenance and Operational Safety Guidelines and Warnings

General Electrical Safety Guidelines and Warnings

Action to Take after an Electrical Accident

Prevention of Electrostatic Discharge Damage

AC Power Electrical Safety Guidelines

AC Power Disconnection Warning

DC Power Electrical Safety Guidelines

DC Power Disconnection Warning

DC Power Grounding Requirements and Warning

DC Power Wiring Sequence Warning

DC Power Wiring Terminations Warning

Multiple Power Supplies Disconnection Warning

TN Power Warning

Agency Approvals for QFX5120 Switches

Compliance Statements for EMC Requirements for the QFX Series

Juniper QFX5120 Series Manual (15 pages)

Table of Contents

Juniper QFX5120 Series Quick Start Manual (20 pages)

Table of Contents

Juniper QFX5120 Series Quick Start Manual (17 pages)

Table of Contents

Juniper QFX5120 Series Quick Start Manual (11 pages)

Table of Contents

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