Search Definithing > Rs-232 Rs-232 EIA-232 Read Also: Rs-232c Renamed EIA-232C (2004-08-02) Rs-232d communications, standard The EIA equivalent of ITU-T standard V.28. [Difference from EIA-232/EIA-232C?] (1995-03-02) Rs-422 EIA-422 Rs-423 EIA-423 Rs-449 EIA-449