[ntp:questions] GPS Trimble Acutime Gold - USB Interface

Greg Dowd GDowd at symmetricom.com
Sat Dec 20 00:31:38 UTC 2008


I see this has an event capture input.  Has anyone tried using this vs
bringing in the pps to see if they can lower the jitter on interrupt
handler?



-----Original Message-----
From: questions-bounces+gdowd=symmetricom.com at lists.ntp.org
[mailto:questions-bounces+gdowd=symmetricom.com at lists.ntp.org] On Behalf
Of Harlan Stenn
Sent: Friday, December 19, 2008 3:43 PM
To: Pedro Torres
Cc: Harlan Stenn; questions at lists.ntp.org
Subject: Re: [ntp:questions] GPS Trimble Acutime Gold - USB Interface

Hi Pedro,

You will be in good shape with USB serial if you can find some other way
to get a PPS signal into your box.

H
--
> Hi Harlan,
> 
> Trimble native serial GPS was discontinued. I just received the device
> without opportunity to choise other.
> Yes, I have seen the support page about Trimble/Palisade but I could
> not find any thing to justify the reported problems.
> offset now ~ 150ms :(
> 
> Thanks,
> Pedro
> 
> 
> On Fri, Dec 19, 2008 at 7:27 PM, Harlan Stenn <stenn at ntp.org> wrote:
> > Pedro,
> >
> > First, USB serial devices generally have a *lot* of jitter on them.
> >
> > Second, have you seen:
> >
> >
http://support.ntp.org/Support/ConfiguringTrimblePalisadeAcutimeRefclock
s
> > --
> > Harlan Stenn <stenn at ntp.org>
> > http://ntpforum.isc.org  - be a member!
> >
> > _______________________________________________
> > questions mailing list
> > questions at lists.ntp.org
> > https://lists.ntp.org/mailman/listinfo/questions
> >
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