On 21/06/2022 10:48, William Unruh wrote:
Who cares if it is no longer RS232, if it works. As has been pointed out virtually no rs232 hardware is RS232 according to the standards.
Oddly that is the point I was trying to make. Someone was insisting that you mustn't cut corners, and must use an RS232 driver when interfacing to a nominally RS232 input port. I was analyzing the consequences of actually conforming to RS232.
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