Juniper MX2020 Hardware Manual page 6

MX2020 3D Universal Edge Router Hardware Guide
Chapter 13
Chapter 14
Part 3
Chapter 15
Chapter 16
Chapter 17
vi
AC Power Requirements, Specifications, and Guidelines . . . . . . . . . . . . . . 147
MX2020 AC Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
MX2020 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
MX2020 AC Power Subsystem Electrical Specifications . . . . . . . . . . . . . . . . . . . 158
MX2020 AC Power Supply Module Description . . . . . . . . . . . . . . . . . . . . . . . . . . 158
MX2020 Router Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
MX2020 Chassis Grounding Points Specifications . . . . . . . . . . . . . . . . . . . . . 161
MX2020 Router Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . 161
MX2020 Router Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . 162
MX2020 Three-Phase Delta AC Power Distribution Module Specifications . . . . 163
MX2020 Three-Phase Wye AC Power Distribution Module Specifications . . . . . 163
MX2020 Seven-Feed AC Power Distribution Module Specifications . . . . . . . . . . 164
MX2010 Nine-Feed AC Power Distribution Module Specifications . . . . . . . . . . . 164
Calculating AC Power Requirements for MX2020 Routers . . . . . . . . . . . . . . . . . . 165
Mapping Input Power from AC Power Distribution Modules to AC Power Supply
Modules on the MX2020 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
DC Power Requirements, Specifications, and Guidelines . . . . . . . . . . . . . . . 171
MX2020 DC Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
MX2020 DC Power Distribution Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
MX2020 DC Power Subsystem Electrical Specifications . . . . . . . . . . . . . . . . . . . 179
Calculating DC Power Requirements for MX2020 Routers . . . . . . . . . . . . . . . . . 180
DC Power Circuit Breaker Requirements for the MX2020 Router . . . . . . . . . . . . . 184
DC Power Cable Specifications for the MX2020 Router . . . . . . . . . . . . . . . . . . . . 184
Initial Installation and Configuration
Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Installing an MX2020 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Tools and Parts Required to Unpack the MX2020 Router . . . . . . . . . . . . . . . . . . 190
Tools Required to Install the MX2020 Router Using a Pallet Jack . . . . . . . . . . . . . 191
Tools Required to Install the MX2020 Router Using a Router Transport Kit . . . . . 191
Tools and Parts Required for Connecting the MX2020 Router to Power . . . . . . . 192
Tools and Parts Required to Maintain the MX2020 Hardware Components . . . . 193
Tools and Parts Required for MX2020 Router Connections . . . . . . . . . . . . . . . . . 193
Unpacking the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Overview of Unpacking the MX2020 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Unpacking the MX2020 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Verifying the MX2020 Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Unpacking the Router Transport Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Installing the MX2020 Mounting Hardware for a Four-Post Rack or Cabinet . . . 205
Installing Cage Nuts, If Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Installing the Four-Post Mounting Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
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