In frequency-division multiplexing , a distribution frame that provides terminating and interconnecting facilities at the group level, i.e. , group modulator output and group demodulator input circuits of FDM carrier equipment. Note: The basic spectrum of the FDM group is 60 kHz to 108 kHz. ( 188 )
GROUP DISTRIBUTION FRAME (GDF)
Meaning of GROUP DISTRIBUTION FRAME (GDF) in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012