If you are an engineer working for a telecommunications carrier or Internet service provider, or manufacturer, or students interested in communications technology and digital communications, this comprehensive broadband access technologies essential reading for you. Backed by almost 250 illustrations and includes more than 120 equations, this book covers a variety of key topics to help you with your work in the field, from telecommunication networks evolution, existing infrastructure and dial-up modems, and HDSL and ADSL, to digital subscriber line access multiplexer, protocol architecture, and VDSL.