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

[Adrian Godwin]

Synchronome is only one of the manufacturers involved and may be less
common in the US than the UK, but as a keyword seems to provide a lot of
related information on master / slave clocks.

https://clockdoc.org/default.aspx?aid=80


On Fri, Nov 25, 2022 at 10:04 AM Bill Notfaded via time-nuts <
time-nuts at lists.febo.com> wrote:

> 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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