[time-nuts] Re: Spectracom 8143 GPS Disciplined Osc

[S McGrath]

Its being used to synchronize telco gear so the 1.544 frequency(T1 clock)
 is correct for application.   Who misses those giant V.35 serial
connectors (assuming unit did not have integrated CSU/DSU)

On Sat, Jan 14, 2023 at 11:24 AM paul swed via time-nuts <
time-nuts at lists.febo.com> wrote:

> Did you do a search online? The manual is readily available.
> Should be a useful unit IF you can change the 1.544 MHz to something useful
> like 5 or 10 MHz.
> Did not look at the schematic to see how they make the 1.544 MHz. Thats a
> telco clock frequency.
> Regards
> Paul
> WB8TSL
>
> On Fri, Jan 13, 2023 at 7:33 PM Shawn via time-nuts <
> time-nuts at lists.febo.com> wrote:
>
> > Hi Paul,
> >
> > Yes, my mistake, It was the 8195 Oscillator with the 8143 switch.  I
> > should've referred to the Oscillator number.
> >
> > I'd like to re-ask the same re. the 8195.  These units have 10MHz with
> > 1.544 and 1pps outputs.
> >
> > --
> > Sincerely,
> >
> > Shawn Tayler
> >
> > On Fri, 2023-01-13 at 10:43 -0500, paul swed via time-nuts wrote:
> > > Shawn I don't think the 8143 is an oscillator or pair.
> > > Its a master/backup switch and distribution amplifier.
> > > Nice unit. One on the auction site with good pix.
> > > Believe you should be able to find a manual on it.
> > > Spectracom manuals had been available online. Maybe not anymore.
> > > Good luck
> > > Paul
> > > WB8TSL
> > >
> > > On Fri, Jan 13, 2023 at 10:05 AM Shawn via time-nuts <
> > > time-nuts at lists.febo.com> wrote:
> > >
> > > > Hey Guys,
> > > >
> > > > I may have do a cleanup and refurb on some fairly old Spectracom
> > > > 8143
> > > > Disciplined Oscillators.  Are there some good resources and/or
> > > > places
> > > > to look for proper Care and Feeding type information?
> > > >
> > > > They are being used in a communications system to synchronize
> > > > Simulcast
> > > > Communications as well as an older TDM style voice switch.  There
> > > > are
> > > > two in an A/B backup configuration.
> > > > --
> > > > Sincerely,
> > > >
> > > > Shawn Tayler
> > > > _______________________________________________
> > > > time-nuts mailing list -- time-nuts at lists.febo.com
> > > > To unsubscribe send an email to time-nuts-leave at lists.febo.com
> > > >
> > > _______________________________________________
> > > time-nuts mailing list -- time-nuts at lists.febo.com
> > > To unsubscribe send an email to time-nuts-leave at lists.febo.com
> > _______________________________________________
> > time-nuts mailing list -- time-nuts at lists.febo.com
> > To unsubscribe send an email to time-nuts-leave at lists.febo.com
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe send an email to time-nuts-leave at lists.febo.com
>