TRX Interface for logging software, using RS 232 for TRX-Signals (modified 1992 - 2002)

Sound / PTT / CW / FSK-RTTY   --  working with MMTTY, MMVARI, MMSSTV and similar programs.

                                                               UCXLog, WINTEST

PTT = DTR            CW = RTS        FSK = TXD

No print board available! See sketch....