... 3800 series modular access routers ADSL wan interface cards for the CISCO 1700, 1800, 2600, 2800, 3700 and 3800 series modular ... 1700/2600/3700 series routers are also supported on the Cisco 1800 (modular), 2800, 3800 series Integrated Services Routers (ISRs). ... businesses to enterprise branch offices These ADSL WICs, combined with the Cisco 1700/1800/2600/2800/3700/3800 Series routers, enable ...