[time-nuts] NTGS50AA, better than Thunderbolt

[Sam]

I bought 3, NTGS50AA from fluke.l, a few months ago after I sussed out how to get Lady Heather talking to my first one. (to beat the rush and price inflation that this would probably cause..)

Of my 3 units 2 are "T2" the other is "T". The Nortel design spec states:

Oscillator "XXX" will identify which OCXO was used in the particular device.  XXX is to be either "T", "Oak", or "T2".  The "T" identifies the Tekelec DOC-1903 device and the "Oak" indicates the OFC-4895 device from Oak Frequency Control Group.  A "T2" will indicate the Tekelec DOC-2127 device.


Kevin, you asked if there was a PPS output. There isn't a 1PPS output at all, but there is a Even Second output with a negative pulse, 40-60 ns wide.
This is available via the font mounted SMB connector or via the rear 110-pin "AMP Z-pack" connector.

Sam.




Subject: Re: [time-nuts] NTGS50AA, better than Thunderbolt


> There are/were two listings for what looks like about the same thing.
>  fluke.l is/was selling one with $25.00 shipping, but the markings on the
> oscillator case look like 34310-0 or O whereas the other listing showed a
> 34310-T2 oscillator if I remember correctly.  I also see some 34310-T bare
> oscillators on ebay so there are several versions of the oscillator.  I
> have no idea how they differ.  I've got a Trimble unit I bought on ebay 2
> or 3 years ago from some sort of telecomm equipment that is similar but
> definitely from a different unit, and there are no markings on that
> oscillator at all and it looks like the metal case is smaller and there is
> no insulating foam around it.
> 
> Alan
> 
> On Thu, May 3, 2012 at 2:54 PM, EB4APL <eb4apl at cembreros.jazztel.es> wrote:
> 
> > Well, I don't understand well what is happening.  Unless I am totally
> > wrong and bought a piece of crap, I still see  $25 as the standard
> > international shipping.  I just bought one.
> >
> > Ignacio, EB4APL
> >
> >
> >
> >
> > On 03/05/2012 22:33, Steve wrote:
> >
> >> Guess I waited too long to order. $60 for shipping - I'll pass.
> >>
> >> Steve
> >>
> >>
> >>
> >> On May 3, 2012, at 3:16 PM, Dan Rae<danrae at verizon.net>  wrote:
> >>
> >>  On 5/3/2012 1:08 PM, Steve wrote:
> >>>
> >>>> Did the seller double the shipping cost today? I could have sworn it
> >>>> was $30 the
> >>>> last time I looked at the listing.
> >>>>
> >>>> Steve
> >>>>
> >>>>  Yes, he did.  Unfortunately I didn't check since I still had the page
> >>> open from earlier, and didn't find out till I went to Paypal...
> >>>
> >>> He certainly isn't getting positive feedback from me.
> >>>
> >>> Dan
> >>>
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