A transmission system in which (a) all circuits carry digital signals and (b) the signals are combined into one or more serial bit streams that include all framing and supervisory signals . Note: A-D/D-A conversion, if required, is accomplished external to the system. ( 188 )
DIGITAL TRANSMISSION SYSTEM
Meaning of DIGITAL TRANSMISSION SYSTEM in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012