Juniper M120 Hardware Manual page 17

List of Figures
Part 1
Chapter 2
Part 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Copyright © 2010, Juniper Networks, Inc.
Overview of the M120 Multiservice Edge Router
M120 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 1: Front View of a Fully Configured M120 Router Chassis . . . . . . . . . . . . . . . . 7
Figure 2: Rear View of a Fully Configured AC-Powered M120 Router Chassis . . . . . 7
Figure 3: Rear View of a Fully Configured DC-Powered M120 Router Chassis . . . . . 8
Figure 4: M120 Midplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5: FPC and CFPCs Installed in an M120 Router Chassis . . . . . . . . . . . . . . . . 10
Figure 6: FPC1, FPC2, and FPC3 for the M120 Router . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 7: FPC and CFPCs Installed in an M120 Router Chassis . . . . . . . . . . . . . . . . 13
Figure 8: Ethernet 10GBASE XFP CFPC for the M120 Router . . . . . . . . . . . . . . . . . 13
Figure 9: M120 FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 10: M120 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 11: USB Memory Device in an M120 Routing Engine . . . . . . . . . . . . . . . . . . . 20
Figure 12: M120 CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13: Front Panel of the M120 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 14: M120 AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 15: M120 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 16: Airflow Through the M120 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 17: M120 Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 18: M120 Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 19: M120 Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Setting Up the M120 Router
Preparing the Site for M120 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 20: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 21: M120 Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . 42
Unpacking the M120 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 22: Contents of the M120 Shipping Container . . . . . . . . . . . . . . . . . . . . . . . 45
Installing the M120 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 23: Installing the M120 Mounting Hardware for a Four-Post Rack or
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 24: Installing the M120 Mounting Hardware for an Open-Frame Rack . . . . 53
Installing the M120 Router with a Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 25: Installing the M120 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Installing the M120 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . . 59
Figure 26: Removing a Power Supply Before Installing the M120 Router . . . . . . . . 61
Figure 27: Removing a FEB Before Installing the M120 Router . . . . . . . . . . . . . . . . 62
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