Hi Ernie, The KO4BB repository has a manual for "Option 2" of the 5680A. This might not be exactly the same as the one you have, but should hopefully at least use the same pinout.
Regards, Peter On Fri Dec 19 15:06 , erniepe...@aol.com sent: >Hi Gents, > >Having a Fe5680 Rub freq standard but can not figure out the 9 pin connector... _______________________________________________ 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.