In transmitting data by two-condition code, in which the digits are formed using binary notation, the symbol 1 of the binary notation will be equivalent to condition 2 of the modulation, and the symbol O of the
binary notation will be equivalent to cond
ITU-T V.1-1988 history
1988ITU-T V.1-1988 EQUIVALENCE BETWEEN BINARY NOTATION SYMBOLS AND THE SIGNIFICANT CONDITIONS OF A TWO - CONDITION CODE