[time-nuts] AMU vs dBc

bg at lysator.liu.se bg at lysator.liu.se
Tue Nov 24 16:04:58 UTC 2009


>
> In a message dated 24/11/2009 12:19:42 GMT Standard Time,
> Arnold.Tibus at gmx.de writes:
>
> a bit  difficult to find, but here it  is:
> http://www.symmetricom.com/link.cfm?lid=4670
>
> ut this is a  Acutime document andt there is not much more
> in which is of interest  concerning the Thunderbolt unit.
>
>
> -----------------
> Hi Arnold
>
> Many thanks for that.
>
> I hadn't realised previously but now find I aready had that  information
> buried in the depths of my Datum/Symmetricon BC637PCI  manual.
>
> It's interesting that the BC637VME document refers to the optional GPS
> module as being an Acutime unit, all of which are external if I remember
> rightly, whereas the BC637PCI manual shows the GPS  option there as a plug
> on Ace
> 2, which is what I have fitted, and  that's also what's pictured on the
> BC637PCI_U datasheet.
>
>
> Nigel
> GM8PZR
> _______________________________________________

Hi Nigel,

There are several generations of the Bancomm (then Datum, now Symmetricom)
cards. I have a BC637PCI that needs an external Acutime. Later generations
mounted a small GPS-card on the BC-board.

--

   Björn





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