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Network Processing Engine and Network Services Engine Installation and Configuration
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Chapter 3 NPE-300 and NPE-400 Overview
NPE-300 and NPE-400 Description and Overview
NPE-300 and NPE-400 Description and Overview
This section contains information about the network processing engine components and the system
management functions. The network processing engine maintains and executes the system management
functions for the routers. It also shares the system memory and environmental monitoring functions with
the I/O controller.
Components
Figure 3-1 NPE-300
1Midplane connectors 9RM7000 microprocessor
2Keying post 10 Temperature sensor (U42)
3DIMM 3 (U44) 11 Keying post
4Bank 1 (user configurable) 12 Temperature sensor (U41)
5DIMM 2 (U45) 13 Boot ROM (U1)
6Captive installation screw 14 DIMM 0 (U16)
7Handle 15 Bank 0 (fixed)
8System controllers 16 U15 (never populated)
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NETWORK PROCESSING ENGINE-300
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