Understood. If I do anything, it will probably be to cut pins 8 and 9 at the board side of the connector and route the serial connections there. I dislike opening this thing up any more often than I have to. Thanks for all the info.
Bob >________________________________ > From: Bob Camp <li...@rtty.us> >To: Discussion of precise time and frequency measurement <time-nuts@febo.com> >Sent: Friday, September 20, 2013 5:34 PM >Subject: Re: [time-nuts] GPSDO vs Rb standard > > >Hi > >All of my FE Rb's have serial out of a 9 pin D connector. They bring power >(+15 and +5) in on that connector, and put 1 pps and 10 MHz out on the same 9 >pin D. > >There are (apparently) dozens of variations of the FE 5680. There is no single >standard for what is hooked up where. I'd be *very* careful about playing with >wires I had not either traced out or had data from the seller on. It's *very* >easy to blow one of these beasts up. > >On mine serial is normal RS-232 levels on pins 8(rx) and 9(tx). 15 V power is >on pin 1, ground on pins 2 and 5, +5 power is on pin 4. > >Outputs are on 6 (pps), 7 (10 Mhz), 3 (lock). > >Again - I'd be *very* careful with information that may or may not apply to >your specific Rb. > >Bob > > >On Sep 20, 2013, at 5:25 PM, Bob Stewart <b...@evoria.net> wrote: > >> Bob, >> >> >> Does your Rb send the serial out on the DB-9, or did you solder in a >> connection? I'm looking at mine and it looks like pin 8 is connected to >> something and pin 9 seems to come in to an empty SMT slot for a cap or >> resistor. I was thinking of bringing a ribbon cable out between the covers >> above the DB-9, but maybe I should just take over 2 pins on the DB-9? Any >> ideas what the pins 8 and 9 would have been hooked up to if they don't go to >> the serial input? >> >> >> Bob >> >> >> >> >>> ________________________________ >>> From: Bob Camp <li...@rtty.us> >>> To: Discussion of precise time and frequency measurement >>> <time-nuts@febo.com> >>> Sent: Wednesday, September 18, 2013 7:25 PM >>> Subject: Re: [time-nuts] GPSDO vs Rb standard >>> >>> >>> Hi >>> >>> When I want to tune an Rb, I just hook up to it with a terminal program and >>> hack away at it. There's not a lot to the protocol. >>> >>> Bob >>> >>> >> _______________________________________________ >> 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.