Juniper Networks Hardware Manual page 21

List of Tables
Part 1
Chapter 2
Part 2
Chapter 3
Chapter 4
Chapter 5
Part 3
Chapter 14
Copyright © 2010, Juniper Networks, Inc.
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About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Overview of the M120 Multiservice Edge Router
M120 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3: FPCs Supported by the M120 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 4: CFPCs Supported by the M120 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 5: M120 FEB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 6: M120 Routing Engine LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 7: M120 Control Board LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 8: M120 Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . . 24
Table 9: External Clock LEDs on the M120 Craft Interface . . . . . . . . . . . . . . . . . . . 26
Table 10: M120 Host Subsystem LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 11: FEB LEDs on the M120 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 12: M120 FPC LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 13: Power Supply LEDs on the M120 Craft Interface . . . . . . . . . . . . . . . . . . . 28
Table 14: M120 Power Supply LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Setting Up the M120 Router
Preparing the Site for M120 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 15: M120 Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 16: M120 Rack Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . 39
Unpacking the M120 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 17: Parts List for a Fully Configured M120 Router . . . . . . . . . . . . . . . . . . . . . 46
Table 18: Accessory Box Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Installing the M120 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 49
Table 19: Four-Post Rack or Cabinet Mounting Hole Locations for the M120
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 20: Open-Frame Rack Mounting Hole Locations for the M120 Router . . . . . 52
Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Replacing M120 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Table 21: M120 Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Table 22: Tools and Parts Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Table 23: Effect of Taking the M120 Host Subsystem Offline . . . . . . . . . . . . . . . . 141
xxi