
Chapter 3
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
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NETWORK PROCESSING
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1 | Midplane connectors |
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| 9 | RM7000 microprocessor |
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2 | Keying post |
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| 10 | Temperature sensor (U42) |
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3 | DIMM 3 (U44) |
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| 11 | Keying post |
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4 | Bank 1 (user configurable) |
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| 12 | Temperature sensor (U41) |
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5 | DIMM 2 (U45) |
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| 13 | Boot ROM (U1) |
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6 | Captive installation screw |
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| 14 | DIMM 0 (U16) |
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7 | Handle |
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| 15 | Bank 0 (fixed) |
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8 | System controllers |
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| 16 | U15 (never populated) |
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Network Processing Engine and Network Services Engine Installation and Configuration
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