Specifications

1-9
Cisco 7206 Installation and Configuration Guide
OL-5102-02
Chapter 1 Product Overview
Field-Replaceable Units
The network processing engines perform the following system management functions:
• Sending and receiving routing protocol updates
• Managing tables, caches, and buffers
• Monitoring interface and environmental status
• Providing Simple Network Management Protocol (SNMP) management through the console and
Telnet interface
• Accounting for and switching of data traffic
• Booting and reloading images
• Managing port adapters (recognition and initialization during online insertion and removal)
Figure 1-4 shows the NPE-100, Figure 1-5 shows the NPE-150, Figure 1-6 shows the NPE-175,
Figure 1-7 shows the NPE-200, and Figure 1-8 shows the NPE-225.
Figure 1-4 NPE-100
H8822
System
controller
Temperature
sensor
Temperature
sensor
Handle
Midplane
connectors
U12
Bank 1
DRAM SIMMs
U4
U25
U18
R4700
microprocessor
Captive
installation
screw
Bank 0
NETWORK PROCESSING ENGINE-100