Cisco 1601 - Router - EN Hardware Installation Manual page 145

LAN Interface Cards
Revised: 6/7/07, OL-12849-01
Overview
This document describes Cisco LAN interface cards and how to connect Cisco LAN interface cards to a
network. It contains the following sections:
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For an overview of Cisco interface cards used for Cisco access routers see the
Cisco Access Routers
WIC-4ESW Card
This section describes the 4-port 10/100BASE-TX Ethernet switch interface card (WIC-4ESW) and how
to connect it to a network.
The following subsections are included:
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The WIC-4ESW interface card is a Layer 2 Ethernet switch with Layer 3 routing capability. (Layer 3
routing is forwarded to the host, and is not actually performed at the switch.) The ports autosense the
speed (10 Mbps or 100 Mbps) and duplex mode (full- or half-duplex) of the device to which it is
connected and then operates at the same speed and in the same duplex mode.
WIC-4ESW Card, page 1
WIC-1ENET Interface Card, page 4
Supported Platforms, page 6
Obtaining Documentation, Obtaining Support, and Security Guidelines, page 7
document.
WIC-4ESW Interface Card Port Numbering, page 2
WIC-4ESW Interface Card Processor Requirements, page 3
WIC-4ESW Interface Card Supported Standards, page 3
WIC-4ESW Interface Card Platform Limitations, page 3
Cisco Interface Cards for
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