This book has been thoroughly revised to keep readers abreast of the latest telemmunications technologies and tools, significant additinclude coverage of: Asymmetric Digital Subscriber Line (ADSL), Dense Wavelenght Division Multiplexing (DWDM), Fiber Optic Media.
The purpose of this book is to extend and update the knowlegde of the reader to more modern digital and data communications systems.
The subject of the third meeting, communications, is no less critical to life, but it offters particular problems and uncertainties, especially in the forecasting of future trends. Indeed, some have doubted if there can be profitable debate on long-term development in such a fast-moving field