This resource for advanced students and professionals begins with three-chapter examination of DSL copper transmission channels, reviewing the basic telephone environment, the physical-layer twisted pair, and the noise environment in the twisted pair channel. Later chapters explore line codes, laying the foundation for material about other aspects of DSL design, and discuss the basic objectives of DSL service, comparing DSL to other broadband delivery methods. Author information is not given. The book is distributed in the US by CRC.