Hi
Assuming all the pins are labeled correctly and your UART is not set up for an inverted input - that should not work. Since it does work, I’d bet on there being a labeling error somewhere. Bob > On Nov 16, 2014, at 2:30 PM, Mike Seguin <n1...@burlingtontelecom.net> wrote: > > I was having some problems with a couple of my laptops running WinXP and Win7 > 64 bit getting them to use Z38xx or SatStat50 to talk to the boxes. I was > using the 'RS-232 hack'. I suspected the levels weren't up to the standard my > laptop ports wanted to see. > > I pulled out an old "short haul" modem I had which is an RS-232 to RS-422 > converter. Wired it this way: > > Lucent to Modem > TX+ to RX- > TX- to RX+ > RX+ to TX- > RX- to TX+ > > Works great! No issues with the laptops/software now through Win7 64 bit. > > Mike > > -- > > 73, > Mike, N1JEZ > "A closed mouth gathers no feet" > _______________________________________________ > 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.