[time-nuts] Z3812 Diag port data? RE: time-nuts Digest, Vol 124, Issue 26

Don Latham djl at montana.com
Mon Nov 3 02:32:35 EST 2014


Does anyone know if Forth is the native tongue of these boards? I have yet to
fire my pair up.
Don

Bob Stewart
> Hi Bob,
> I am only able to communicate with my system through the REF-0/slave unit.  I
> had thought this was normal behavior till someone, you perhaps, posted that
> that was not correct.  So, I've emailed Aecis to request a replacement REF-1.
> Bob     From: Bob Camp <kb8tq at n1k.org>
>  To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
>  Sent: Sunday, November 2, 2014 8:20 PM
>  Subject: Re: [time-nuts] Z3812 Diag port data? RE: time-nuts Digest, Vol 124,
> Issue 26
>
> HI
>
> So at least there is one way communications from the GPS box to the slave box.
>
> Bidirectional com would be a bit complex given the lack of UART’s on the pc
> board. I’d bet it just runs through a standard set of messages on the GPS and
> watches the results. The way to quickly prove I’m wrong would be to issue a
> command to the GPS from the slave that it must respond to. Something like go
> into survey mode or set the location to xxx yyy zzz.  I’ve certainly been
> wrong before.
>
> I suppose they could do dual source TTL com directly at the GPS module level.
> I’d think that would drive the GPS unit a bit nuts when the slave started
> switching things around….
>
> Bob
>
>
>> On Nov 2, 2014, at 4:16 PM, n2lym <n2lym at optonline.net> wrote:
>>
>> Yes the diagnostic port on the slave unit diaplay's gps data just like the
>> Z3811. Therefore there must be serial data being exchanged on the 15 pin
>> interconnect.
>>
>>
>> Mike
>>
>> N2LYM
>>
>>
>>
>>
>>
>> Message: 5
>> Date: Sun, 2 Nov 2014 15:58:20 -0500
>> From: GandalfG8 at aol.com
>> To: time-nuts at febo.com
>> Subject: Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A,
>> Z3810A, Z3811A, Z3812...
>> Message-ID: <868c5.58494d20.4187f4ec at aol.com>
>> Content-Type: text/plain; charset="UTF-8"
>>
>> Just another thought though, does the diagnostic port on the slave also
>> communicate with SatStat etc?
>>
>> That would imply at least a transfer of serial data in one  direction, even
>> if not for the control functions.
>>
>> Regards
>>
>> Nigel
>> GM8PZR
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>
>
>
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-- 
"The power of accurate observation is commonly called cynicism by those who
have not got it."
 -George Bernard Shaw

Dr. Don Latham AJ7LL
Six Mile Systems LLC
17850 Six Mile Road
Huson, MT, 59846
mail:  POBox 404
Frenchtown MT 59834-0404
VOX 406-626-4304
Skype: buffler2
www.lightningforensics.com
www.sixmilesystems.com




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