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Cisco Cisco 1900 2900 3900 Series 4-Port Gigabit Ethernet HS-WIC with PoE Data Sheet

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Data Sheet 
© 2009-2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. 
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Cisco EtherSwitch 4- and 9-Port High-Speed WAN Interface Cards 
Product Overview 
The 4- and 9-port Cisco
®
 EtherSwitch
®
 10/100 high-speed WAN interface cards (HWICs) supported 
on the Cisco 1800 (modular)/1941, Cisco 2800/2900, and Cisco 3800/3900 series integrated services 
routers offer small-to-large-size businesses and enterprise branch office customers the option to integrate 
switching and routing in one device. This combination offers ease of configuration, deployment, and 
management while using the powerful characteristics of Cisco routing and Cisco Catalyst
®
 switching 
features.  
The modular 4- and 9-port Cisco EtherSwitch HWICs provide line-rate Layer 2 switching across Ethernet ports using 
Cisco IOS
®
 Catalyst Software. The 4-port Cisco EtherSwitch HWIC has four 10/100 switched Ethernet ports, with 
options for inline power support on all four ports. The 9-port Cisco EtherSwitch HWIC has nine 10/100 switched 
Ethernet ports, with options for inline power support on 8 of the 9 ports. The ninth port does not support inline power 
but can be used as a regular switch port for trunking and other normal data applications. Features such as port 
autosensing, quality of service (QoS), VLAN support from 802.1P and 802.1Q standards, and 802.1D spanning tree 
protocols are standard on the Cisco EtherSwitch HWIC. The Cisco EtherSwitch HWICs are available in standard 4- or 
9-port 10/100BASE-TX switch HWIC and Power-over-Ethernet (PoE) configurations. The PoE configurations consist 
of a 4- or 9-port 10/100BASE-TX switch and a 4- or 8-port inline power module daughter card. The power module 
daughter card houses a power controller for detecting, classifying, and enabling power on 802.3af-compliant powered 
devices attached to the HWICs. The inline powered version of the Cisco EtherSwitch HWIC can power Cisco IP 
phones, Cisco wireless access points, or any other IEEE 802.3af-compliant device. The optional inline power support 
on the 4- and 9-port HWICs on the Cisco 2800/2900 and Cisco 3800/3900 series of integrated services routers 
requires the use of a field-replaceable inline power supply. (Refer to Figure 1.) 
Figure 1.    9- and 4-Port Cisco EtherSwitch HWICs