[time-nuts] Microsemi versus Spetracom

David & Laura davidandlaura at lambertlake.ca
Wed May 6 18:58:22 EDT 2015


I had this happen with my S250. It hangs during boot with the spinning
hourglass stopping, right?

The problem ended up being that the processor module had come slightly
unseated. The initial boot messages on the display are independent from the
functioning of the processor module.

Thanks,

David Slik
VE7FIM

On Wed, May 6, 2015 at 2:35 PM, Bob Darlington <rdarlington at gmail.com>
wrote:

> My personal S300 died last month but otherwise I've fielded them in hot,
> cold, dusty, wet, and dry environments and they seem to keep going.    It
> passes the initial self tetst but won't fully boot.  I suspect CF card
> failure.  Microsemi won't talk to me without an active support contract.
>
> Due to its death, I'm now working on a BeagleBone Black "cape" specifically
> for M12+ or Furuno timing receivers.  I appreciate COTS hardware, but I'm a
> hobbyist.   Mine will be cheaper, but I can't vouch for more reliable yet.
>
> -Bob
>
> On Wed, May 6, 2015 at 1:58 PM, Andrew Cooper <acooper at keck.hawaii.edu>
> wrote:
>
> > So, yes, our old TS2100's suffered the 1995 bug over the weekend like all
> > of the others in the world.  Kludged into working for the moment using
> 1PPS
> > and two units.
> >
> > I do need to buy a couple replacements, good time is critical around an
> > observatory, looking at a $16K purchase order.  We have quoted both the
> > SecureSync from SpectraCom and the S350 from Microsemi, both fully spec'd
> > out with IRIG and IEEE1588.
> >
> > I am not really a time expert, just an everyday electrical engineer.
> > Thrust into the problem three days ago.  I have learned a bit reading
> > through the Time Nuts archive... Thanks!
> >
> > Anything I should be aware of with these units.  Any opinions on this
> > purchase?
> >
> > Thanks for your advice,
> > Andrew
> >
> > Andrew Cooper
> > Electrical Engineer
> > W. M. Keck Observatory
> > 808-881-3862
> > mailto:acooper at keck.hawaii.edu
> >
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