[time-nuts] Re: Neon clock from factory at Motorola years ago

[Bill Notfaded]

Thanks Mike.  I knew I'd get some hints here.   I seem to remember there
were a few simple protocols for these master clocks.  Unfortunately it's
just old enough that there aren't really a lot of docs to follow on the
Internet.  It can't be that complicated.  With only two wires that also
power the clock it has to be pretty simple.  It may even hearken back to my
elementary school days with the clocks that all clicked together then they
were set from the master clock.  I remember them all advancing one minute
at a time until at the set time.

Bill

On Thu, Nov 24, 2022, 4:05 PM Michael Bafaro via time-nuts <
time-nuts at lists.febo.com> wrote:

> Oops,  The connector is a AMP Universal Mate-N-Lock connector.  The
> "Universal" Mate-N-Lock has the tabs on the side for strain relief.  The
> original Mate-N-Lock did not have the strain relief.
>
> Mike
>
> -----Original Message-----
> From: Bill Notfaded via time-nuts <time-nuts at lists.febo.com>
> Sent: Wednesday, November 23, 2022 4:03 PM
> To: Discussion of precise time and frequency measurement <
> time-nuts at lists.febo.com>
> Cc: Bill Notfaded <notfaded1 at gmail.com>
> Subject: [time-nuts] Neon clock from factory at Motorola years ago
>
> So I've got this clock that has white neon around the face.  It has
> separate 110V plug for the neon but in the factory it was controlled.
> Attached are some pictures of it.  I'm looking to get it going again.
> It's about 2 feet in diameter and they were in multiple factories.
>
> The brand is Lumichron.  See the pics.  The control is two wires.  I'm
> thinking 12V with a coded signal but I'm not sure?
>
> Anyone recognize the connector and how you control/power these?
>
> It's white neon around the face.  I'll post more pictures of the front
> later.  This is the timing connector.  The other white cable just powers
> the neon.
>
> Bill
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