Juniper MX2020 Installation instructions

MX2020 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.
MX2020 Universal Routing Platform Hardware Guide
Copyright © 2019 Juniper Networks, Inc. All rights reserved.
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.
ii

Table of Contents
About the Documentation | xxi
Documentation and Release Notes | xxi
Using the Examples in This Manual | xxi
Merging a Full Example | xxii
Merging a Snippet | xxiii
Documentation Conventions | xxiii
Documentation Feedback | xxvi
Requesting Technical Support | xxvi
Self-Help Online Tools and Resources | xxvii
Creating a Service Request with JTAC | xxvii
Overview
1
MX2020 System Overview and Architecture | 3
MX2020 Universal Edge Router Overview | 3
MX Series Router Architecture | 4
MX2020 Chassis Description | 6
MX2020 Backplane Description | 12
MX2020 Component Redundancy | 13
MX2020 Field-Replaceable Units | 19
MX Series Router Packet Forwarding Engine (PFE) Architecture | 21
Line Cards Supported on MX Series Routers | 22
FPCs and PICs | 23
DPCs | 23
MPCs and MICs | 24
Switch Fabric Boards (SFB, SFB2, SFB3) | 24
Switch Control Boards | 25
MX2000 ADC | 25
Routing Engines and CB-REs | 25
Ethernet Frame Counts and Statistics on MX Series Routers | 26
MX2020 Router Hardware Components and CLI Terminology | 26
iii

Understanding Trio Layer 2 Feature Parity | 30
Alarm and Display Components | 31
MX2020 Craft Interface Description | 31
MX2020 Alarm Relay Contacts on the Craft Interface | 33
MX2020 Alarm LEDs and Alarm Cutoff/Lamp Test Button | 34
Cable and Rack Management | 37
MX2020 Cable Management Description | 37
Standard Cable Management System | 37
Extended Cable Management System | 40
MX2020 Rack-Mounting Hardware | 42
Cooling System Components and Descriptions | 45
MX2020 Cooling System Description | 45
MX2020 Fan Tray LED | 48
Host Subsystem Components | 49
MX2000 Host Subsystem CB-RE Description | 49
RE-MX2000-1800x4 CB-RE Description | 50
RE-MX2000-1800x4 CB-RE Front Panel | 51
RE-MX2000-1800x4 CB-RE Components | 52
RE-MX2000-1800x4 CB-RE Software | 53
RE-MX2000-1800x4 CB-RE Boot Sequence | 53
REMX2K-X8-64G and REMX2K-X8-64G-LT CB-RE Description | 54
REMX2K-X8-64G CB-RE Components | 54
REMX2K-X8-64G and REMX2K-X8-64G-LT CB-RE Boot Sequence | 56
CB-RE LEDs | 56
REMX2K-X8-128G CB-RE Description | 60
REMX2K-X8-128G CB-RE Components | 60
REMX2K-X8-128G CB-RE LEDs | 62
REMX2K-X8-128G CB-RE Boot Sequence | 63
MX2000 Switch Fabric Board (SFB) Overview | 63
iv

Interface Modules— ADCs, MPCs, and MICs | 65
MX2000 Modular Interface Card (MIC) Description | 65
MICs Supported by MX Series Routers | 66
MX2020 Modular Interface Card LEDs | 76
MX2020 Modular Port Concentrator (MPC) Description | 76
MPC Components | 78
MPCs Supported by MX Series Routers | 79
MX2020 Modular Port Concentrator LEDs | 83
MX2000 Adapter Card (ADC) Description | 84
MPC Terminology | 85
MX2020 Port and Interface Numbering | 87
Power Subsystem | 91
MX2020 Power Subsystem Description | 91
MX2020 Power Midplane Description | 96
MX2000 Three-Phase Delta AC Power Distribution Module Description | 96
MX2000 Three-Phase Wye AC Power Distribution Module Description | 98
MX2000 Seven-Feed Single-Phase AC Power Distribution Module Description | 101
MX2000 Nine-Feed Single-Phase AC Power Distribution Module Description | 102
MX2000 Three-Phase Delta and Wye AC Power Distribution Module LEDs | 103
MX2000 AC Power Supply Module Description | 103
MX2020 AC Power Supply Module LEDs | 106
MX2020 DC Power Distribution Module (-48 V) Description | 107
MX2000 DC Power Distribution Module (240 V China) Description | 109
MX2020 DC Power Distribution Module (-48 V) LEDs | 110
MX2000 DC Power Distribution Module (240 V China) LEDs | 111
MX2020DC Power Supply Module (-48 V) Description | 112
MX2000 DC Power Supply Module (240 V China) Description | 115
MX2020 DC and Power Supply Module LEDs | 117
v

Site Planning, Preparation, and Specifications
2
Planning and Preparing the Site | 121
Overview of Preparing the Site for the MX2020 Router | 121
MX2020 Site Preparation Checklist | 123
MX2020 Physical Specifications | 125
MX2020 Rack Requirements | 130
Rack Size and Strength | 130
Spacing of Mounting Bracket Holes | 132
Connection to the Building Structure | 132
MX2020 Cabinet Size and Clearance Requirements | 133
Clearance Requirements for Airflow and Hardware Maintenance for the MX2020 Router | 133
MX2020 Cabinet Airflow Requirements | 136
MX2020 Router Environmental Specifications | 137
MX2000 Router Grounding Specifications | 138
MX2000 Series Chassis Grounding Points Specifications | 139
MX2000 Series Router Grounding Cable Lug Specifications | 139
MX2000 Series Router Grounding Cable Specifications | 140
MX2020 Chassis Moving Guidelines | 141
MX2020 Moving Requirements and Guidelines Using a Router Transport Kit | 142
Router Transport Kit Turning Radius | 142
Router Transport Kit Requirements | 143
Rack-Mounting Requirements | 146
Transceiver and Cable Specifications | 149
Calculating Power Budget and Power Margin for Fiber-Optic Cables | 149
Calculating Power Budget for Fiber-Optic Cable | 149
Calculating Power Margin for Fiber-Optic Cable | 150
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 151
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 151
Attenuation and Dispersion in Fiber-Optic Cable | 152
CB-RE and RCB Interface Cable and Wire Specifications for MX Series Routers | 153
vi

Pinout Specifications | 155
RJ-45 Connector Pinouts for MX Series CB-RE Auxiliary and Console Ports | 155
RJ-45 Connector Pinouts for an MX Series CB-RE or RCB Management Port | 156
Management Cable Specifications | 157
Console Port Connector Pinout Information | 157
RJ-45 to DB-9 Serial Port Adapter Pinout Information | 158
Mini-USB Port Pinout Specifications | 159
RJ-45 Management Port Connector Pinout Information | 160
RJ-45 Port, QSFP+ Port, QSFP28 Port, SFP+ Port, and SFP Port Connector Pinout Information | 160
AC Power Requirements, Specifications, and Guidelines | 167
MX2020 AC Power Requirements | 167
MX2000 AC Power Cord Specifications | 176
MX2000 AC Power System Electrical Specifications | 179
AC Power Supply Input Fuses | 180
MX2000 Router Grounding Specifications | 181
MX2000 Series Chassis Grounding Points Specifications | 182
MX2000 Series Router Grounding Cable Lug Specifications | 182
MX2000 Series Router Grounding Cable Specifications | 183
MX2000 Three-Phase Delta AC Power Distribution Module Electrical Specifications | 184
MX2000 Three-Phase Wye AC Power Distribution Module Electrical Specifications | 185
MX2000 Single-Phase AC Power Distribution Module Electrical Specifications | 186
Calculating AC Power Requirements for MX2020 Routers | 186
Mapping Input Power from AC Power Distribution Modules to AC Power Supply Modules on
MX2000 Routers | 190
DC Power Requirements, Specifications, and Guidelines | 193
MX2020 DC Power Requirements | 193
MX2020 DC Power Distribution Description | 201
MX2020 DC Power Distribution (240 V China) Description | 203
MX2000 Router DC Power Subsystem Electrical Specifications | 205
DC Power Supply Input Fuses | 206
vii

MX2000 Router DC (240 V China) Power Subsystem Electrical Specifications | 207
DC Power Supply Input Fuses | 208
Determining DC Power Requirements for Your MX2020 Router | 209
MX 2020 DC Power Subsystem Components | 209
Understanding Power Zones in the MX2020 DC Power Subsystem | 209
Calculating the DC Power Requirements for Your MX2020 Router | 213
DC Power (-48 V) Circuit Breaker Requirements for the MX2020 Router | 215
DC Power (240 V China) Circuit Breaker Requirements for the MX2000 Router | 216
DC Power Cable Specifications for the MX2020 Router | 216
Initial Installation and Configuration
3
Installation Overview | 221
Installing an MX2020 Router Overview | 221
Tools and Parts Required to Unpack the MX2020 Router | 223
Tools Required to Install the MX2020 Router Using a Pallet Jack | 223
Tools Required to Install the MX2020 Router Using a Router Transport Kit | 224
Tools and Parts Required for Connecting an MX2000 Router to Power | 224
Tools and Parts Required to Maintain the MX2020 Hardware Components | 225
Tools and Parts Required for MX2020 Router Connections | 226
Unpacking the Router | 227
Overview of Unpacking the MX2020 Router | 227
Unpacking the MX2020 Router | 228
Verifying the MX2020 Parts Received | 232
Unpacking the Router Transport Kit | 235
Installing the Mounting Hardware | 239
Installing the MX2020 Mounting Hardware for a Four-Post Rack or Cabinet | 239
Installing Cage Nuts, If Needed | 239
Installing the Four-Post Mounting Shelf | 241
Installing the Router | 245
Removing Components from the MX2020 Router Chassis Before Installing it in a Rack | 245
Removing the Power Distribution Modules Before Installing an MX2020 Router | 246
Removing the Power Supply Modules Before Installing an MX2020 Router | 248
viii

Removing the Fan Trays Before Installing an MX2020 Router | 251
Removing the SFBs Before Installing an MX2020 Router | 253
Removing the MPCs with Adapter Card Before Installing an MX2020 Router | 254
Removing the MPCs without an Adapter Card Before Installing an MX2020 Router | 255
Removing the CB-REs Before Installing the MX2020 Router | 256
Installing a MX2020 Router Using a Pallet Jack Overview | 258
Installing the Pallet Jack Attachment | 259
Installing the MX2020 Router Using a Pallet Jack with Attachment | 260
Installing a MX2020 Router Using a Router Transport Kit Overview | 265
Installing the Router Transport Kit on the MX2020 Router | 265
Securing the MX2020 Router to the Router Transport Platform | 268
Installing the MX2020 Router Using a Router Transport Kit | 270
Reinstalling Components in the MX2020 Router After Installing in a Rack | 277
Reinstalling the Power Distribution Modules After Installing the MX2020 Router in a Rack | 278
Reinstalling the Power Supply Modules After Installing the MX2020 Router | 281
Reinstalling the Fan Trays After Installing the MX2020 In a Rack | 283
Reinstalling the SFBs After Installing the MX2020 Router in a Rack | 285
Reinstalling the Adapter Card After Installing the MX2020 Router in a Rack | 286
Reinstalling MPCs After Installing the MX2020 Router in a Rack | 287
Reinstalling the CB-REs After Installing the MX2020 Router in a Rack | 288
Connecting the MX2020 to Ground | 291
Grounding an MX2000 Router | 291
Providing Power to the MX2020 | 293
Connecting Power to an MX2000 Single-Phase AC Power Distribution Module | 293
Connecting AC Power to an MX2000 Router with Three-Phase Delta AC Power Distribution
Modules | 295
Connecting AC Power to an MX2000 Router with Three-Phase Wye AC Power Distribution
Modules | 300
Mapping Input Power from AC Power Distribution Modules to AC Power Supply Modules on
MX2000 Routers | 304
Installing MX2020 AC Power Supply Modules | 307
Installing MX2000 Router DC Power Supply Modules (-48 V) | 309
Installing MX2000 Router DC Power Supply Modules (240 V China) | 313
ix

Connecting Power to a DC-Powered MX2020 Router with Power Distribution Modules (-48
V) | 317
Connecting Power to a DC-Powered MX2000 Router with DC Power Distribution Modules (240
V China) | 321
Connecting an MX2000 DC Router Power Distribution Module (-48 V) Cable | 322
Connecting an MX2000 DC Router Power Distribution Module (240 V China) Cable | 325
Powering On the DC-Powered (-48 V) MX2020 Router | 327
Powering On the DC-Powered (240 V China) MX2000 Router | 329
Powering On a Three-Phase AC-Powered MX2000 Router | 331
Connecting the MX2020 to the Network | 333
Connecting the MX2020 Router to Management and Alarm Devices | 333
Connecting the MX2020 Router to a Network for Out-of-Band Management | 333
Connecting the MX2020 Router to a Console or Auxiliary Device | 334
Connecting an MX2020 Router to an External Alarm-Reporting Device | 336
Connecting the MX2020 Router to a Network for Out-of-Band Management | 337
Connecting the MX2020 Router to a Console or Auxiliary Device | 338
Connecting an MX2020 Router to an External Alarm-Reporting Device | 340
Connecting the Alarm Relay Wires to the MX2020 Craft Interface | 342
Disconnecting the Alarm Relay Wires from the MX2020 Craft Interface | 343
Connecting MPC or MIC Cables to the MX2020 Router | 344
Configuring the Junos OS Software | 347
Initially Configuring the MX2020 Router | 347
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