The 4-port Cisco® EtherSwitch® 10/100 high-speed WAN interface cards (HWICs) HWIC-4ESW 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.
Product Code: HWIC-4ESW
Description: Four port 10/100 Ethernet switch interface card Cisco Router High-Speed WAN
Form Factor: HWIC-4ESW = Single-wide HWIC form factor
Dimensions (W x D x H): HWIC-4ESW = 3.08 x 4.74 x 0.76 in.
Weight: HWIC-4ESW = 79 grams (0.17 lb)
RFC: RFC 2284, PPP Extensible Authentication Protocol (EAP)