... Port Serial WAN Interface Card Original Cisco Module Card In Stock with Good Price Cisco Original HWIC-1T 1-Port Serial WAN Interface ... CardSpecification:1-Port Serial WAN Interface Card (HWICs) for the Cisco 2600 and 1700 series feature ... .One- and 2-Port Serial and Asynchronous High-Speed WAN Interface Cards for Cisco 1800, 1900, 2800, 2900, 3800, and 3900 ...