On 19/06/2022 13:46, Jim Pennino wrote:
CTS/RTS is pin 8 on a RS-232 connector, so how is that "PPS over USB"?
CTS is on pin 5, and RTS on pin 4, on an RS232 connector, which should be a DB-25 one.
The DE-9 connector, used on PCs, is a TIA-574 connector, not an RS232 one, and RTS is on pin 7 (although not useful in this context, as it is output from the PC).
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