Juniper Networks Hardware Manual page 19

Part 4
Appendix A
Appendix D
Appendix F
Appendix G
Copyright © 2010, Juniper Networks, Inc.
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Figure 61: M120 Routing Engine Interface Ports and Alarm Relay Contacts . . . . . 133
Figure 62: M120 Routing Engine Interface Ports and Alarm Relay Contacts . . . . 134
Figure 63: Removing an M120 Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 64: Removing an M120 Lower Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . 136
Figure 65: Installing an M120 Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure 66: Installing an M120 Lower Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure 67: Removing the M120 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 68: Installing the M120 Front Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Figure 69: Removing an M120 CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 70: Installing an M120 CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 71: Installing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 72: Removing an M120 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 73: Installing an M120 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 74: Removing an M120 FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 75: Installing an M120 FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 76: Removing an M120 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 77: Installing an M120 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 78: Connecting Fiber-Optic Cable to an M120 PIC . . . . . . . . . . . . . . . . . . . 157
Figure 79: Removing an M120 CFPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 80: Installing an M120 CFPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 81: Removing an M120 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 82: Installing an M120 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Figure 83: Connecting Fiber-Optic Cable to an M120 PIC . . . . . . . . . . . . . . . . . . . 167
Figure 84: Removing M120 SFPs or XFPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Figure 85: Removing a M120 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 86: Installing a M120 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Figure 87: Removing an M120 AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 88: Rear of the M120 Power Supply Showing Midplane Connector . . . . . . 175
Figure 89: Installing an M120 AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 90: Disconnecting Power Cables from the M120 DC Power Supply . . . . . 178
Figure 91: Removing an M120 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 92: Installing an M120 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Figure 93: Connecting Power Cables to the M120 DC Power Supply . . . . . . . . . . 182
Appendixes
Safety and Regulatory Compliance Information for the M120 Router . . . . 187
Figure 94: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . . 193
Power Guidelines, Requirements, and Specifications for the M120
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Figure 95: M120 DC Power and Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . 230
Figure 96: M120 AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Figure 97: Typical DC Source Cabling to the M120 Router . . . . . . . . . . . . . . . . . . 235
M120 Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Figure 98: M120 EIA-530 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Figure 99: Fast Ethernet 48-port PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Figure 100: VHDCI to RJ-21 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Contacting Customer Support and Returning M120 Hardware . . . . . . . . . 257
List of Figures
xix