Steckerbelegung des Alphatronik P2 Rechners

   1. 25 polig

25 poliger sub D Stecker

      1. Druckerschnittstelle

             Pin           Bedeutung

              2             TxD Transmitted Data#

              3             RxD Reeceived Data

              5             CTS clear to send

              7             Ground

              alle anderen Anschlüsse sind nicht belegt

       2. Serielle Schnittstelle

              Pin             Bedeutung

               2               TxD Transmitted Data

               3               RxD Received Data

               4               RTS Request to Send

              5               CTS Clear to Send

              6               DSR Data set Ready

              7               Ground

           15                TxC Transmitter Clock

           17                RxC Received Clock

           20                DTR Data Terminal Ready

 

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