[time-nuts] Re: HP Z3801A info needed - 1PPS interface

[paul swed]

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 <jim at luxfamily.com> 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.
>
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