FED-STD-1005, FEDERAL STANDARD: TELECOMMUNICATIONS, CODING AND MODULATION REQUIREMENTS FOR NONDIVERSITY 2400 BIT/SECOND MODEMS (20 JAN 1977)
FED-STD-1005, FEDERAL STANDARD: TELECOMMUNICATIONS, CODING AND MODULATION REQUIREMENTS FOR NONDIVERSITY 2400 BIT/SECOND MODEMS (20 JAN 1977)., This standard establishes the coding and modulation requirements for 2400 bit/second modems owned or leased by the Federal Government for use over analog transmission channels other than those derived from high-frequency radio facilities.