Hi Bob, Talking on J8-Diagnostic port. All I see on the RS-422 port is a timestamp.
Bob From: Bob Camp <[email protected]> To: Bob Stewart <[email protected]>; Discussion of precise time and frequency measurement <[email protected]> Sent: Monday, November 3, 2014 6:17 AM Subject: Re: [time-nuts] Z3812 Diag port data? RE: time-nuts Digest, Vol 124, Issue 26 Hi Ok, on the slave you have, are you talking to the Diag (HP) port or to the RS-422 / PPS (Lucent) port? Bob > On Nov 2, 2014, at 10:15 PM, Bob Stewart <[email protected]> wrote: > > 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 <[email protected]> > To: Discussion of precise time and frequency measurement <[email protected]> > 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 <[email protected]> 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: [email protected] >> To: [email protected] >> Subject: Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, >> Z3810A, Z3811A, Z3812... >> Message-ID: <[email protected]> >> 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 >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
