
Signal conversion equipments for simultaneous duplex data transmission on the switched channels general telephone network with the speed 2400 bit/s. Types and basic parameters
NORM herausgegeben am 1.1.1992
Designation standards: GOST 28749-90
Publication date standards: 1.1.1992
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST