Hi Yes that’s a typo
> On Dec 1, 2014, at 9:10 PM, Bob Camp <[email protected]> wrote: > > Hi > > If you dig back a month or so, there is a post with all the pinouts on all > the connectors. > > 4 RX+ > 8 RX- > > 5 TX+ > 6 TX- should be pin 9 for TX- Sorry about that. Bob > > 3 and 7 ground > > It’s serial so TX on one goes to RX on the other. + goes to + and - to -. > The pins are numbered on the connector in *very* small print. > > Bob > > > >> On Dec 1, 2014, at 8:59 PM, Graham <[email protected]> wrote: >> >> I got my pair of REF-0 and REF-1 to lock, REF-1 is now in STBY and the REF-0 >> is on. Thanks to Bob suggesting I wiggle and/or re seat the interface cable. >> >> However, I have not been able to "peek" inside using the DIAG port. Rather >> than try the hack suggested by Stu I bought a USB to RS-422 interface cable, >> a Startech ICUSB422. It has a DB-9P which plugs directly into the DIAG >> connector BUT on comparing it's pinout to the "hack cable" suggested by Stu, >> it seems that they really don't line up correctly. >> >> This is Stu's suggested "hack cable" from his very informative earlier post >> >> RFTG PC >> >> DE-9P DE-9S >> >> 7 <---GND---> 5 >> 8 <--------- 3 TXD >> 9 ---------> 2 RXD >> >> The ICUSB422 pinout is as follows (arrows point in direction of data flow) >> >> ICUSB J8 - Diagnostic >> 1 TXD- --------> 8 (based on Stu's diagram and description) >> 2 TXD+ --------> ?? >> 3 RXD+ <-------- ?? >> 4 RXD- <-------- 9 (based on Stu's diagram and description) >> 5 GND --------- 7 (based on Stu's diagram and description) >> 6 NC >> 7 NC >> 8 NC >> 9 NC >> >> But what pins to TXD+ and RXD+ connect to? After much searching and looking >> at a bewildering number of variations of pinouts, I am still confused on >> where these two go. A Wild Ass Guess (WAG) is that 2 TXD+ --> 4 and 4 RXD- >> <-- 5 but I am really uncertain and that is just based on one of the pinouts >> I found in my searchs. >> >> I thought I would be lucky and would just be able to plug and play with the >> ICUSB422 directly to the J8 Diagnostic port but it isn't so; I will need to >> make up an additional adapter to get the right pins going to the right pins. >> >> I am hoping someone on the list knows for certain. Failing that I will have >> to poke at it with a scope or DVM tomorrow and to see if I can make sense of >> it. >> >> cheers, Graham ve3gtc >> >> _______________________________________________ >> 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.
