Cisco Cisco Catalyst 4000 Supervisor Engine II Installation Guide
1
OL-20791-01
Overview of Cisco Network Modules and
Service Modules for Cisco Access Routers
Service Modules for Cisco Access Routers
Revised: 9/01/09 OL-20791-01
This chapter provides an overview of Cisco network modules and service modules used in Cisco access
routers, and contains the following sections:
routers, and contains the following sections:
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Introduction to Cisco Network Module and Service Module
Form Factors
Form Factors
Network Module Form Factors
Cisco network modules are available in the following five form factors to provide greater modularity and
functionality for users:
functionality for users:
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Single-wide network modules, also called NM or NME (see
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Extended single-wide network modules, also called NME-X (see
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Double-wide network modules, also called NMD (see
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Extended double-wide network modules, also called NME-XD (see
)
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Single-wide network module with a network module adapter for use in Cisco 2900 series and 3900
series ISRs.
series ISRs.