11Setting Up Your XPS™ 625DSL connections that provide high-speed•Internet access through your existingtelephone line or cellular telephone service.With a DSL connection, you can access theInternet and use your telephone on the sameline simultaneously.Cable modem connections that provide•high-speed Internet access through yourlocal cable TV line.Satellite modem connections that provide•high-speed Internet access through asatellite television system.Dial-• up connections that provide Internetaccess through a telephone line. Dial-upconnections are considerably slowerthan DSL and cable (or satellite) modemconnections. Your computer does not havean integrated modem. An optional USBmodem must be used for dialup service withthis computer.Wireless LAN (WLAN) connections that•provide Internet access using WiFi 802.11technology. Wireless LAN support requiresoptional internal components that may ormay not be installed in your computer basedon decisions made at the time of purchase.NOTE: If an external USB modem orWLAN adapter is not part of your originalorder, you can purchase one from the Dellwebsite at dell.com.Setting Up a Wired Internet ConnectionIf you are using a dial-up connection, connectthe telephone line to the external USB modem(optional) and to the telephone wall jack beforeyou set up your Internet connection. If youare using a DSL or cable/satellite modemconnection, contact your ISP or cellulartelephone service for setup instructions.