... 1800, 2600, 2800, 3700 and 3800 series modular access routers ADSL wan interface cards for the CISCO 1700, 1800, 2600, 2800 ... , 3700 and 3800 series modular access routers The ADSL WAN interface cards (WICs) supported on the Cisco 1700/ ... modular), 2800, 3800 series Integrated Services Routers (ISRs). These WICs deliver business class ADSL over basic telephone service or otherwise known ...