The Cisco 800 series of fixed configuration routers provides enhanced security, low cost of ownership, proven reliability, and safe investment through the power of Cisco IOS software tailored for small offices and telecommuters. The Cisco 800 series connects these users to the Internet or to a corporate LAN via ISDN, serial connections (Frame Relay, leased lines, X.25 or asynchronous dialup), DSL (ADSL, ADSL over ISDN, G.SHDSL, IDSL), or dual Ethernet.