Since the phone is a DCE device you must change your connection:RS232 pin2(RX) to leg7(T2OUT) of max232
RS232 pin3(TX) to leg8(R2IN) of max232
Al.RS232 pin3(TX) to leg7(T2OUT) of max232
RS232 pin2(RX) to leg8(R2IN) of max232
Since the phone is a DCE device you must change your connection:RS232 pin2(RX) to leg7(T2OUT) of max232
RS232 pin3(TX) to leg8(R2IN) of max232
Al.RS232 pin3(TX) to leg7(T2OUT) of max232
RS232 pin2(RX) to leg8(R2IN) of max232
All progress began with an idea
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