Juniper MX2020 Hardware Manual page 15

Chapter 9
Chapter 10
Part 3
Chapter 11
Chapter 13
Copyright © 2013, Juniper Networks, Inc.
Figure 67: Console and Auxiliary Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . 111
Figure 68: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 69: Attaching a Cable to a MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 70: Attaching a Cable to a MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Grounding and Providing Power to the MX2020 Router . . . . . . . . . . . . . . . . 115
Figure 71: Connecting the Grounding Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Figure 72: Connecting Power to a Three-Phase Delta AC Power Distribution
Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 73: Mapping AC Three-Phase Delta Power Distribution Modules Input to
AC Power Supply Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 74: Connecting Power to a Three-Phase Wye AC Power Distribution
Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Figure 75: Mapping AC Three-Phase Wye Power Distribution Modules Input to
AC Power Supply Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Figure 76: Selecting AC Power Subsystem Feed Redundancy . . . . . . . . . . . . . . . 128
Figure 77: MX2020 Router with AC Power Supply Modules Installed . . . . . . . . . . 128
Figure 78: MX2020 AC Power Supply Module Front View . . . . . . . . . . . . . . . . . . . 129
Figure 79: Connecting DC Power to the MX2020 Router . . . . . . . . . . . . . . . . . . . 134
Figure 80: Selecting DC Power Subsystem Feed Redundancy . . . . . . . . . . . . . . . 135
Figure 81: MX2020 Router with DC Power Supply Modules Installed . . . . . . . . . . 135
Figure 82: MX2020 DC Power Supply Module Front View . . . . . . . . . . . . . . . . . . 136
Configuring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 83: USB Flash Drive Port on CB-RE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
MX2020 Router Hardware Maintenance, Troubleshooting, and
Replacement Procedures
Maintaining MX2020 Router Hardware Components . . . . . . . . . . . . . . . . . 147
Figure 84: Upper and Lower Cable Manager Cable Routing . . . . . . . . . . . . . . . . . 175
Figure 85: MPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 86: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Figure 87: Do Not Rest the MPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Replacing MX2020 Router Hardware Components . . . . . . . . . . . . . . . . . . . . 211
Figure 88: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Figure 89: Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Figure 90: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Figure 91: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Figure 92: Removing Upper Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Figure 93: Removing Lower Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Figure 94: Installing Upper Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 95: Installing Lower Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 96: Removing the Lower Air Filter from the Chassis . . . . . . . . . . . . . . . . . 223
Figure 97: Removing the Middle Card Cage Cable Manager Air Filter . . . . . . . . . 224
Figure 98: Removing the PSM Air Filter from the Chassis . . . . . . . . . . . . . . . . . . . 225
Figure 99: Installing the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Figure 100: Installing the Middle Card Cage Cable Manager Air Filter . . . . . . . . . 227
Figure 101: Installing the PSM Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
List of Figures
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