Figure 26: M120 AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Chapter 11 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 27: Typical DC Source Cabling to the M120 Router . . . . . . . . . . . . . . . . . . . 98
Part 3 Initial Installation and Configuration
Chapter 15 Unpacking the M120 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 28: Contents of the M120 Shipping Container . . . . . . . . . . . . . . . . . . . . . . . 115
Chapter 16 Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 29: Installing the M120 Mounting Hardware for a Four-Post Rack or
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 30: Installing the M120 Mounting Hardware for an Open-Frame Rack . . . 123
Chapter 17 Installing the M120 With a Mechanical Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Figure 31: Installing the M120 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Chapter 18 Installing the M120 Without a Mechanical Lift . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 32: Removing a Power Supply Before Installing the M120 Router . . . . . . . . 131
Figure 33: Removing a FEB Before Installing the M120 Router . . . . . . . . . . . . . . . 132
Figure 34: Removing a CB Before Installing the M120 Router . . . . . . . . . . . . . . . . 133
Figure 35: Removing an Upper Front Fan Tray Before Installing the M120
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Figure 36: Removing a Lower Rear Fan Tray Before Installing the M120
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 37: Removing the Cable Management System Before Installing the M120
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Figure 38: Removing an FPC Before Installing the M120 Router . . . . . . . . . . . . . . 137
Figure 39: Removing a CFPC Before Installing the M120 Router . . . . . . . . . . . . . . 138
Figure 40: Installing the M120 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 41: Reinstalling a CB After Installing the M120 Router . . . . . . . . . . . . . . . . 143
Figure 42: Reinstalling a FEB After Installing the M120 Router . . . . . . . . . . . . . . . 144
Figure 43: Reinstalling a Power Supply After Installing the M120 Router . . . . . . . 145
Figure 44: Reinstalling an FPC After Installing the M120 Router . . . . . . . . . . . . . . 146
Figure 45: Reinstalling a CFPC After Installing the M120 Router . . . . . . . . . . . . . 148
Figure 46: Reinstalling a Front Fan Tray After Installing the M120 Router . . . . . . 149
Chapter 19 Connecting the M120 to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 47: Connecting the Grounding Cable to the M120 Router . . . . . . . . . . . . . . 152
Chapter 20 Connecting the M120 to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 48: M120 Routing Engine Management Ports and Alarm Relay
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 49: M120 Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . 155
Figure 50: M120 Routing Engine Management Ports and Alarm Relay
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 51: M120 Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . 157
Figure 52: M120 Routing Engine External Device Ports . . . . . . . . . . . . . . . . . . . . . 157
Figure 53: M120 Routing Engine Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . 159
Figure 54: M120 Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . 160
Figure 55: M120 Routing Engine External Device Ports . . . . . . . . . . . . . . . . . . . . . 161
Copyright © 2018, Juniper Networks, Inc.xiv
M120 Multiservice Edge Router Hardware Guide
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