I have a better idea ... anyone want a Z3801A ? I'll swap it for a late model, working
Trimble T-Bolt. Problem solved. 73, Dick, W1KSZ Sent from Outlook<http://aka.ms/weboutlook> ________________________________ From: time-nuts <time-nuts-boun...@febo.com> on behalf of Scott McGrath <scmcgr...@gmail.com> Sent: Saturday, September 16, 2017 3:48:06 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Z3801A and Z38XX Issues Connect to a terminal emulator and IDQ it you will either see garbage in which case serial config is wrong and you need to try a new set of values Or using a breakout box connect a scope to the txd and rxd lines and compare pulse widths Content by Scott Typos by Siri > On Sep 16, 2017, at 4:22 PM, Bob kb8tq <kb...@n1k.org> wrote: > > Hi > > The gotcha is that the 3801 is an “ask for it / get it” protocol. If you don’t > get the query formatted correctly, there will be no data coming back. It’s not > like some other GPSDO’s that just yack all the time. > > Bob > >> On Sep 16, 2017, at 9:27 AM, Brad Stockdale <tay...@hush.com> wrote: >> >> From what I recall, the manual was accurate on the baud, stop bits, >> parity, etc. Just a few thoughts.... Make sure that the serial port is >> working as expected... Do a loop back test if possible. Are you using >> a USB to Serial adapter? Many of them have some weird quirks. IMHO, >> FTDI based adapters work better than others. Forego using the Z38XX. >> Try using a plain terminal app and see if you get any weird characters >> echo'd back instead of expected responses. Etc... There are a lot of >> possible causes when a serial connection isn't working right. >> >> On 9/16/2017 at 12:26 AM, "Richard Solomon" wrote:Not according to >> the manual, but then that could be my problem !! >> 73, Dick, W1KSZ >> Sent from Outlook >> ________________________________ >> From: time-nuts on behalf of Bill Hawkins >> Sent: Sunday, September 10, 2017 8:16:17 PM >> To: 'Discussion of precise time and frequency measurement' >> Subject: Re: [time-nuts] Z3801A and Z38XX Issues >> >> Shouldn't that be 8 data bits? >> >> Bill Hawkins >> >> -----Original Message----- >> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of >> Richard >> Solomon >> Sent: Saturday, September 09, 2017 4:24 PM >> >> I downloaded and installed Z38XX, configured both the Port and Device >> to >> the recommended parameters: >> Data Rate: 19,200 >> >> Parity: Odd >> >> Data Bits: 7 >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.