Juniper MX2020 Hardware Manual page 17

Chapter 11
Chapter 13
Chapter 14
Part 3
Chapter 16
Chapter 17
Chapter 18
Copyright © 2015, Juniper Networks, Inc.
Figure 61: Typical Four-Post Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Figure 62: Connecting Power to a Three-Phase Wye AC Power Distribution
Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
AC Power Requirements, Specifications, and Guidelines . . . . . . . . . . . . . . 147
Figure 63: Three-Phase Delta AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 64: Three-Phase Wye AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 65: Three-Phase Delta AC Power Cord Mating Connector . . . . . . . . . . . . . 157
Figure 66: Three-Phase Wye AC Power Cord Mating Connector . . . . . . . . . . . . . 157
Figure 67: AC Power Supply Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 68: Selecting Input Feed on the AC Power Supply Module . . . . . . . . . . . . 160
Figure 69: Connecting Chassis Grounding Points on the MX2020 Router . . . . . . 161
Figure 70: 4-AWG DC Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 71: 6-AWG DC Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 72: AC PDM Three-Phase Delta Input Power . . . . . . . . . . . . . . . . . . . . . . . 166
Figure 73: AC PDM Three-Phase Wye Input Power . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 74: Mapping AC Power Distribution Modules Input to AC Power Supply
Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
DC Power Requirements, Specifications, and Guidelines . . . . . . . . . . . . . . . 171
Figure 75: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . . . 178
Figure 76: 4-AWG DC Power Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Figure 77: 6-AWG DC Power Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Initial Installation and Configuration
Unpacking the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Figure 78: MX2020 Shipping Crate Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Figure 79: Unpacking the MX2020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Figure 80: Router Transport Kit Crate Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 201
Figure 81: Open Router Transport Kit Shipping Crate . . . . . . . . . . . . . . . . . . . . . . 202
Figure 82: Router Transport Kit Shipping Crate Door . . . . . . . . . . . . . . . . . . . . . . 203
Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Figure 83: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . 208
Installing the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 84: Removing an AC Power Distribution Module Before Installing the
MX2020 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Figure 85: Removing a DC Power Distribution Module Before Installing the
MX2020 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Figure 86: Removing a AC Power Supply Module Before Installing the MX2020
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Figure 87: Removing a DC Power Supply Module Before Installing the MX2020
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 88: Removing Upper Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 89: Removing Lower Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 90: Removing an SFB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Figure 91: Removing an MPC without the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
List of Figures
xvii