The Cisco Single-Port Ethernet WAN Interface Card (WIC-1ENET) offers customers using a Cisco 1700 series router the option of an additional Ethernet port for enabling broadband Internet access or deployment of a perimeter LAN or demilitarized zone (DMZ). Ideally suited for small and medium businesses and small branch offices, the Ethernet WIC offers a cost-effective method for expanding the capability of the Cisco 1700 series router.