On 08/07/2018 21:24, Fred Carvalho wrote:
Bill, per my understanding we can  only force  CAT COM  port RTS/DTR signals to High. Not PTT COM. Am I wrong ?

This problem is known by Remoterig users. Anyway, the implementation of Remoterig requires that both lines go to HIGH to activate PTT. As I explained it is an heritage of MMTTY which rises both lines.

Regards Fred

HI Fred,

I am sorry, you are correct and only the RTS and DTR signals of the CAT connection serial port can be controlled directly. Has anyone considered raising this issue with the Remoterig providers as it seems a very onerous requirement that is quite unnecessary.

73
Bill
G4WJS.


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