If you are running under DOS, then you may be able to use the low-level IO routines to open and read the appropriate COM: port. If you are running this under Windows, then it may not work, depending on the version and what else might be accessing the COM: port interrupts.
While I used some routines from Silverware in a number of old FPD programs, they went out of business a number of years ago. Any chance you can upgrade to VFP? The MSCOMM32.DLL makes this real easy.
I had the same problem, I had some Data Terminals that I needed to get data from through serial port, What I did was, I made a Visual Basic Program to capture and save them to DBF. And I called it through FoxPro; you can do the same thing.
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