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Table 21: M120 Field-Replaceable Units
Hot-Pluggable FRUs
Hot-Removable and Hot-Insertable FRUs
Control Board (CB) (if not redundant)
Routing Engine (if not redundant)
Forwarding Engine Boards (FEBs) (if not
redundant)
Air filter
Craft interface
Control Board (CB) (if redundant)
Routing Engine (if redundant)
Forward Engine Boards (FEBs)
Flexible PIC Concentrators (FPCs)
Compact Flexible PIC Concentrators (CFPCs)
AC and DC power supplies (if redundant)
Front and rear fan trays
Physical Interface Cards (PICs)
Related
Documentation
M120 Router Chassis Description on page 6
•
•
Overview of Troubleshooting Resources for the M120 Router on page 117
Tools and Parts Required to Replace M120 Components
To replace hardware components, you need the tools and parts listed in Table 22 on
page 128.
Table 22: Tools and Parts Required
Components
Tool or part
Cables and connectors
DC power supply
Craft interface
3/8–in. nut driver or pliers
CB
FEB
FPC
PIC
Power supply
Blank panels (if component is not
reinstalled)
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M120 Multiservice Edge Router Hardware Guide
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