Overview of Cisco Network Modules for
Cisco Access Routers
This chapter provides an overview of Cisco network modules used in Cisco access routers, and contains
the following sections:
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Introduction to Cisco Network Module Form Factors
Cisco network modules are available in the following four different form factors to provide greater
modularity and functionality for users:
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Single-wide network modules are installed in fixed network module slots on Cisco 2600 series,
Cisco 3600 series, Cisco 3700 series, and Cisco MWR 1941-DC routers, and in configurable network
module slots on Cisco 2811, Cisco 2821, Cisco 2851, and Cisco 3800 series routers. See
a sample single-wide network module.
OL-2485-20
Introduction to Cisco Network Module Form Factors, page 1-1
Cisco Access Routers and Cisco Network Modules, page 1-3
Cisco IOS Software Releases and Cisco Network Modules, page 1-6
Cisco Interface Cards Supported on Cisco Network Modules, page 1-7
Cabling for Cisco Network Modules, page 1-9
Platform Support for Cisco Network Modules, page 1-15
Related Documents, page 1-30
Where to Go Next, page 1-33
Single-wide network modules, also called NM or NME (see
Extended single-wide network modules, also called NME-X (see
Double-wide network modules, also called NMD (see
Extended double-wide network modules, also called NME-XD (see
C H A P T E R
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Cisco Network Modules Hardware Installation Guide
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