Hi Bryan, I don't know, so probably not. I'll try to make a dump of the firmware, and see if that gets me anywhare. But thank you for your input - now I know that units exist with the serial port disabled.
BR Jonas On Mon, Nov 20, 2017 at 8:27 AM Bryan _ <[email protected]> wrote: > Did the serial communication ever work?. There is so many variations of > the FE's that it's hard to know if it was even supported for that > particular model or option. I have one and it has a serial port, but does > not respond to any commands. > > > -=Bryan=- > > > ________________________________ > From: time-nuts <[email protected]> on behalf of Jonas Jalling < > [email protected]> > Sent: November 19, 2017 12:20 AM > To: [email protected] > Subject: [time-nuts] FE-5680A not responding to serial commands > > Hello all, > I have an old FE-5680a I bought years ago, that surfaced from my storage > boxes the other day. I thought I would experiment with disciplining it to > my M12+t GPS. I have some problems adjusting the frequency though. > If I put a scope on pins 5 and 7 of the DS80C323 processor, I can see the > serial input (ie. 0x2D 0x04 0x00 0x29), but the processor never responds. > Has anyone seen this problem before, and is there a way to fix it? Could > the serial adjust be disabled? And if so, is there any way to enable it? > > Thanks in advance, > BR Jonas > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > time-nuts > <https://www.febo.com/cgi-bin/mailman/listinfo/time-nutstime-nuts> Info > Page - American Febo Enterprises< > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > www.febo.com > time-nuts is a low volume, high SNR list for the discussion of precise > time and frequency measurement and related topics. To see the collection of > prior postings to ... > > > > 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.
