EIA-232C <communications, standard> The {EIA} equivalent of {ITU-T} {standard} {V.24}. The {EIA} EIA-232C electrical signal is unbalanced +/- 5 to +/- 12V, {polar} {non return to zero} and handles data speeds up to 19.2 kilobits per second. [Correct name? Relationship to RS-232C? Difference from EIA-232?] (2004-08-02)