Operation in which communication between two terminals occurs in either direction, but in only one direction at a time. ( 188 ) Note: Half-duplex operation may occur on a half-duplex circuit or on a duplex circuit , but it may not occur on a simplex circuit . Synonyms one-way reversible operation, two-way alternate operation.
HALF DUPLEX (HDX) OPERATION
Meaning of HALF DUPLEX (HDX) OPERATION in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012