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

1

2

3

4

5

NETWORK PROCESSING ENGINE-300

11

12

13

14

15

16 66410

 

6

7

8

9

10

 

 

 

 

 

 

 

 

 

1

Midplane connectors

 

 

 

 

9

RM7000 microprocessor

 

 

 

 

 

 

 

 

2

Keying post

 

 

 

 

10

Temperature sensor (U42)

 

 

 

 

 

 

 

 

3

DIMM 3 (U44)

 

 

 

 

11

Keying post

 

 

 

 

 

 

 

 

4

Bank 1 (user configurable)

 

 

 

 

12

Temperature sensor (U41)

 

 

 

 

 

 

 

 

5

DIMM 2 (U45)

 

 

 

 

13

Boot ROM (U1)

 

 

 

 

 

 

 

 

6

Captive installation screw

 

 

 

 

14

DIMM 0 (U16)

 

 

 

 

 

 

 

 

7

Handle

 

 

 

 

15

Bank 0 (fixed)

 

 

 

 

 

 

 

 

8

System controllers

 

 

 

 

16

U15 (never populated)

 

 

 

 

 

 

 

 

Network Processing Engine and Network Services Engine Installation and Configuration

3-2

OL-4448-12

 

 

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Cisco Systems NPE-225, NPE-175 manual NPE-300 and NPE-400 Description and Overview, Components