Jim Right you are. I now rememeber that and did convert to rs 232. But the question was about the 1pps. It was 422 and suspect its now 232 after I did the jumper mod. Will have to fire up the 3801 and see. Regards Paul. WB8TSL
On Tue, Oct 5, 2021 at 3:53 PM Lux, Jim <[email protected]> wrote: > On 10/5/21 12:46 PM, paul swed wrote: > > Ed I seem to be a bit slow. Had not heard of your project. > > On the real 3801 the 25 pin connector is actually RS 422. > > Regards > > Paul > > WB8TSL > > > > conveniently enough, there are onboard jumpers that can turn it into > RS232, although these days, you can get a nice RS422/RS485 to USB widget > for $10. > > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send > an email to [email protected] > To unsubscribe, go to and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
