Juniper MX240 Istruzioni per l'installazione

MX240 Universal Routing Platform

Hardware Guide

Published

2019-12-03

Juniper Networks, Inc.

1133 Innovation Way

Sunnyvale, California 94089

USA

408-745-2000

www.juniper.net

Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in

the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks

are the property of their respective owners.

Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right

to change, modify, transfer, or otherwise revise this publication without notice.

MX240 Universal Routing Platform Hardware Guide

The information in this document is current as of the date on the title page.

YEAR 2000 NOTICE

Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related

limitations through the year 2038. However, the NTP application is known to have some difficulty in the year 2036.

END USER LICENSE AGREEMENT

The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with)

Juniper Networks software. Use of such software is subject to the terms and conditions of the End User License Agreement

(“EULA”) posted at https://support.juniper.net/support/eula/. By downloading, installing or using such software, you

agree to the terms and conditions of that EULA.

Table of Contents

About the Documentation | xix

Documentation and Release Notes | xix

Using the Examples in This Manual | xix

Merging a Full Example | xx

Merging a Snippet | xxi

Documentation Conventions | xxi

Documentation Feedback | xxiv

Requesting Technical Support | xxiv

Self-Help Online Tools and Resources | xxv

Creating a Service Request with JTAC | xxv

Overview

MX240 System Overview | 29

Benefits of the MX240 Router | 29

MX240 Hardware Overview | 30

MX240 Chassis | 32

MX240 Chassis Description | 32

MX240 Router Hardware and CLI Terminology Mapping | 35

MX240 Component Redundancy | 37

MX240 Craft Interface Overview | 38

MX240 Alarm Relay Contacts on the Craft Interface | 39

MX240 Alarm LEDs and Alarm Cutoff/Lamp Test Button | 39

MX240 Component LEDs on the Craft Interface | 40

Host Subsystem LEDs on the MX240 Craft Interface | 40

Power Supply LEDs on the MX240 Craft Interface | 41

DPC and MPC LEDs on the MX240 Craft Interface | 41

FPC LEDs on the MX240 Craft Interface | 42

SCB LEDs on the MX240 Craft Interface | 42

iii

Fan LED on the MX240 Craft Interface | 43

MX240 Cooling System | 43

MX240 Cooling System Description | 44

MX240 Fan LED | 45

MX240 AC Power System | 46

MX240 Power System Description | 46

MX240 AC Power Supply Description | 47

AC Power Supply Configurations | 48

MX240 AC Power Supply LEDs | 49

AC Power Supply Electrical Specifications for the MX240 Router | 50

AC Power Circuit Breaker Requirements for the MX240 Router | 51

AC Power Cord Specifications for the MX240 Router | 51

Errata with the MX240 Router Documentation | 54

MX240 DC Power System | 55

MX240 DC Power Supply Description | 55

DC Power Supply Configurations | 56

MX240 DC Power Supply LEDs | 57

DC Power Supply Electrical Specifications for the MX240 Router | 58

DC Power Circuit Breaker Requirements for the MX240 Router | 60

MX240 Chassis Grounding Specifications | 61

MX240 Chassis Grounding Points Specifications | 61

MX240 Router Grounding Cable Lug Specifications | 62

MX240 Router Grounding Cable Specifications | 63

DC Power Source Cabling for the MX240 Router | 63

DC Power Cable Specifications for the MX240 Router | 65

Outstanding Issues with the MX240 Router | 66

MX240 Host Subsystem Components and Descriptions | 66

MX240 Host Subsystem Description | 67

MX240 Host Subsystem LEDs | 68

MX240 Midplane Description | 68

MX240 Routing Engine Description | 69

RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Components | 71

Routing Engine Interface Ports | 72

RE-S-X6-64G and RE-S-X6-64G-LT Routing Engine Interface Ports | 72

Routing Engine Boot Sequence | 73

RE-S-1800 Routing Engine Description | 73

RE-S-1800 Routing Engine Components | 74

RE-S-1800 Routing Engine LEDs | 75

RE-S-1800 Routing Engine Boot Sequence | 75

RE-S-X6-64G Routing Engine Description | 76

RE-S-X6-64G Routing Engine Components | 76

RE-S-X6-64G Routing Engine Boot Sequence | 77

RE-S-X6-128G Routing Engine Description | 78

RE-S-X6-128G Routing Engine Components | 78

RE-S-X6-128G Routing Engine LEDs | 79

RE-S-X6-128G Routing Engine Boot Sequence | 81

MX240 Routing Engine LEDs | 81

RE-S-1800 Routing Engine LEDs | 82

RE-S-X6-64G Routing Engine LEDs | 82

Routing Engine Specifications | 84

Supported Routing Engines by Router | 92

M7i Routing Engines | 93

M10i Routing Engines | 93

M40e Routing Engines | 94

M120 Routing Engines | 94

M320 Routing Engines | 95

MX5, MX10, MX40, and MX80 Routing Engine | 96

MX104 Routing Engines | 96

MX204 Routing Engine | 97

MX240 Routing Engines | 97

MX480 Routing Engines | 98

MX960 Routing Engines | 100

MX2008 Routing Engines | 101

MX2010 Routing Engines | 101

MX2020 Supported Routing Engines | 102

MX10003 Routing Engines | 103

MX10008 Routing Engines | 103

PTX1000 Routing Engines | 104

PTX3000 Routing Engines | 104

PTX5000 Routing Engines | 105

PTX10008 and PTX10016 Routing Engines | 106

T320 Routing Engines | 106

T640 Routing Engines | 107

T1600 Routing Engines | 108

T4000 Routing Engines | 109

TX Matrix Routing Engines | 110

TX Matrix Plus Routing Engines | 111

TX Matrix Plus (with 3D SIBs) Routing Engines | 111

MX240 Line Card Components and Descriptions | 112

Interface Modules—DPCs | 112

MX240 Dense Port Concentrator (DPC) Description | 113

MX240 DPC Port and Interface Numbering | 115

MX240 Dense Port Concentrator (DPC) LEDs | 119

DPCs Supported on MX240, MX480, and MX960 Routers | 119

Interface Modules—FPCs and PICs | 122

MX240 Flexible PIC Concentrator (FPC) Description | 123

MX240 Flexible PIC Concentrator (FPC) LEDs | 124

FPCs Supported by MX240, MX480, and MX960 Routers | 125

MX240 PIC Description | 125

MX240 PIC Port and Interface Numbering | 126

MX240 PIC LEDs | 128

PICs Supported by MX240, MX480, and MX960 Routers | 128

Interface Modules—MPCs and MICs | 129

MIC/MPC Compatibility | 130

MX240 Modular Interface Card (MIC) Description | 139

MICs Supported by MX Series Routers | 140

MX240 Modular Interface Card (MIC) LEDs | 150

MX240 MIC Port and Interface Numbering | 150

MX240 Modular Port Concentrator (MPC) Description | 154

MX240 Modular Port Concentrator (MPC) LEDs | 156

MPCs Supported by MX Series Routers | 156

MX240 Application Services Modular Line Card Description | 161

MX240 AS MSC LEDs | 164

MX240 Application Services Modular Processing Card Description | 164

MX240 AS MXC LEDs | 165

Services Processing Card—MX-SPC3 Services Card | 166

MX-SPC3 Services Card Overview and Support on MX240, MX480, and MX960 Routers | 166

MX-SPC3 Services Card | 167

MX-Series Switch Control Board (SCB) Description | 171

CLI Identification | 173

Site Planning, Preparation, and Specifications

MX240 Site Preparation Checklist | 177

MX240 Site Guidelines and Requirements | 178

MX240 Router Physical Specifications | 178

MX240 Router Environmental Specifications | 180

MX240 Router Rack Requirements | 181

MX240 Router Clearance Requirements for Airflow and Hardware Maintenance | 183

MX240 Router Cabinet Size and Clearance Requirements | 184

MX240 Router Cabinet Airflow Requirements | 185

MX240 Power Planning | 185

Power Requirements for an MX240 Router | 186

Calculating Power Requirements for MX240 Routers | 196

vii

MX240 Network Cable and Transceiver Planning | 199

Determining Transceiver Support and Specifications for M Series and T Series Routers | 200

Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 200

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 201

Attenuation and Dispersion in Fiber-Optic Cable | 201

Calculating Power Budget and Power Margin for Fiber-Optic Cables | 202

Calculating Power Budget for Fiber-Optic Cable | 202

Calculating Power Margin for Fiber-Optic Cable | 203

Routing Engine Interface Cable and Wire Specifications for MX Series Routers | 204

MX240 Management and Console Port Specifications and Pinouts | 205

RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port | 205

RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE Ports | 206

Initial Installation and Configuration

Installing an MX240 Router Overview | 211

Unpacking the MX240 Router | 212

Tools and Parts Required to Unpack the MX240 Router | 212

Unpacking the MX240 Router | 212

Verifying the MX240 Router Parts Received | 214

Installing the MX240 Router | 216

Installing the MX240 Router Mounting Hardware for a Rack or Cabinet | 217

Moving the Mounting Brackets for Center-Mounting the MX240 Router | 219

Tools Required to Install the MX240 Router with a Mechanical Lift | 220

Removing Components from the MX240 Router Before Installing it with a Lift | 220

Removing the Power Supplies Before Installing the MX240 Router with a Lift | 221

Removing the Fan Tray Before Installing the MX240 Router with a Lift | 221

Removing the SCBs Before Installing the MX240 Router with a Lift | 222

Removing the DPCs Before Installing the MX240 Router with a Lift | 223

Removing the FPC Before Installing the MX240 Router with a Lift | 224

Installing the MX240 Router By Using a Mechanical Lift | 225

Reinstalling Components in the MX240 Router After Installing it with a Lift | 227

Reinstalling the Power Supplies After Installing the MX240 Router with a Lift | 227

Reinstalling the Fan Tray After Installing the MX240 Router with a Lift | 228

viii

Reinstalling the SCBs After Installing the MX240 Router with a Lift | 229

Reinstalling the DPCs After Installing the MX240 Router with a Lift | 229

Reinstalling the FPCs After Installing the MX240 Router with a Lift | 230

Tools Required to Install the MX240 Router without a Mechanical Lift | 231

Removing Components from the MX240 Router Before Installing it without a Lift | 231

Removing the Power Supplies Before Installing the MX240 Router without a Lift | 232

Removing the Fan Tray Before Installing the MX240 Router without a Lift | 233

Removing the SCBs Before Installing the MX240 Router without a Lift | 234

Removing the DPCs Before Installing the MX240 Router without a Lift | 235

Removing the FPC Before Installing the MX240 Router without a Lift | 236

Installing the MX240 Chassis in the Rack Manually | 237

Reinstalling Components in the MX240 Router After Installing it without a Lift | 239

Reinstalling the Power Supplies After Installing the MX240 Router without a Lift | 239

Reinstalling the Fan Tray After Installing the MX240 Router without a Lift | 240

Reinstalling the SCBs After Installing the MX240 Router without a Lift | 241

Reinstalling the DPCs After Installing the MX240 Router without a Lift | 241

Reinstalling the FPCs After Installing the MX240 Router without a Lift | 242

Connecting the MX240 Router to Power | 243

Tools and Parts Required for MX240 Router Grounding and Power Connections | 244

Grounding the MX240 Router | 245

Connecting Power to an AC-Powered MX240 Router with Normal-Capacity Power

Supplies | 246

Powering On an AC-Powered MX240 Router | 247

Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power Supplies | 248

Powering On a DC-Powered MX240 Router with Normal Capacity Power Supplies | 251

Connecting an MX240 AC Power Supply Cord | 253

Connecting an MX240 DC Power Supply Cable | 254

Powering Off the MX240 Router | 256

Connecting the MX240 Router to the Network | 257

Tools and Parts Required for MX240 Router Connections | 257

Connecting the MX240 Router to a Network for Out-of-Band Management | 257

Connecting the MX240 Router to a Management Console or Auxiliary Device | 258

Connecting the MX240 Router to an External Alarm-Reporting Device | 259

Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router | 261

Initially Configuring the MX240 Router | 263

Maintaining, Installing and Replacing Components

Maintaining MX240 Components | 271

Routine Maintenance Procedures for the MX240 Router | 271

Tools and Parts Required to Maintain the MX240 Router | 272

MX240 Field-Replaceable Units (FRUs) | 272

Tools and Parts Required to Replace MX240 Hardware Components | 273

Maintaining the MX240 Cooling System Component | 276

Maintaining the MX240 Air Filter | 276

Replacing the MX240 Air Filter | 277

Removing the MX240 Air Filter | 277

Installing the MX240 Air Filter | 278

Maintaining the MX240 Fan Tray | 279

Replacing the MX240 Fan Tray | 282

Removing the MX240 Fan Tray | 282

Installing the MX240 Normal-Capacity Fan Tray | 283

Maintaining MX240 Host Subsystem Components | 284

Maintaining the MX240 Host Subsystem | 285

Replacing an MX240 Routing Engine | 288

Removing an MX240 Routing Engine | 288

Installing an MX240 Routing Engine | 290

Replacing an SSD Drive on an RE-S-1800 | 292

Replacing an SSD Drive on an RE-S-X6-64G | 293

Replacing Connections to MX240 Routing Engine Interface Ports | 299

Replacing the Management Ethernet Cable on an MX240 Router | 299

Replacing the Console or Auxiliary Cable on an MX240 Router | 300

Upgrading to the RE-S-X6-64G Routing Engine in a Redundant Host Subsystem | 301

Removing the Routing Engine | 302

Installing the Routing Engine RE-S-X6-64G | 304

Verifying and Configuring the Upgraded Routing Engine as the Master | 306

Verifying and Configuring the Upgraded Routing Engine as the Backup | 307

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