Vitaliy escribi=F3: > Not using flow control, it's basically a three wire interface (Rx, Tx, Gn= d) = > with Rx shorted to DCD. > = > The program is written in Delphi 7. > = I admit I haven't wired DCD shorted to the RX pin, and I = will not but just to know , can you post your code? Can you = make your code work without shorting those lines? -- = ------------------------------ Mauricio Giovagnini (Maunix) www.maunix.com.ar Cordoba, Arg. LinkedIn Profile: http://www.linkedin.com/in/mgiovagnini -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist