Re: [Elecraft] RS232 DEVICES VIA KIO3B BOARD
You can get "null modems" that are just two back to back connectors. Amazon, search on "null modem". They're small, cheap, and last a long time. [:-) 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 7/10/2018 11:32 AM, Don Wilhelm wrote: Kent, You should be able to plug the Palstar cable into the cable from the K3 RJ-45 to RS-232 dongle. A gender changer may be needed. Worth a try anyway. Or you could purchase a short RS-232 Crossover cable to replace the one to the tuner. 73, Don W3FPR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] RS232 DEVICES VIA KIO3B BOARD
Kent, You should be able to plug the Palstar cable into the cable from the K3 RJ-45 to RS-232 dongle. A gender changer may be needed. Worth a try anyway. Or you could purchase a short RS-232 Crossover cable to replace the one to the tuner. 73, Don W3FPR On 7/10/2018 12:10 PM, KENT TRIMBLE wrote: The RS-232 thread comes coincidentally at a time when I have just experienced an RS-232 "gotcha." If you own a Palstar AT-AUTO you need to remember that the RS-232 cable (null modem) originally supplied with the tuner is cross-wired (pin 2 to pin 3, and pin 3 to pin 2). This is the correct wiring that allows the tuner to follow frequency excursions by the K3. Recently I returned my K3 (sn 21) to Watsonville for hardware upgrades that included replacing the KIO3A board with the new KIO3B board (now standard on the K3S). However, this new board no longer utilizes a DB-9 connector for RS-232 functions, but instead uses a female RJ-45 socket for RS-232 functions. This now renders obsolete the original DB9-equipped cable that came with the AT-AUTO. Fortunately, Elecraft includes with the upgraded KIO3B board a pre-wired 30-inch RS-232 cable. This cable has an RJ-45 plug on one end and a DE9S plug on the other end. Unfortunately, this cable is wired straight-through . . . no cross-wiring . . . which means no QSY following by the Palstar. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] RS232 DEVICES VIA KIO3B BOARD
Either plug the two cables together or with a “GenderChanger”. Sent from my iPhone ...nr4c. bill > On Jul 10, 2018, at 12:10 PM, KENT TRIMBLE wrote: > > The RS-232 thread comes coincidentally at a time when I have just experienced > an RS-232 "gotcha." > > If you own a Palstar AT-AUTO you need to remember that the RS-232 cable (null > modem) originally supplied with the tuner is cross-wired (pin 2 to pin 3, and > pin 3 to pin 2). This is the correct wiring that allows the tuner to follow > frequency excursions by the K3. > > Recently I returned my K3 (sn 21) to Watsonville for hardware upgrades that > included replacing the KIO3A board with the new KIO3B board (now standard on > the K3S). However, this new board no longer utilizes a DB-9 connector for > RS-232 functions, but instead uses a female RJ-45 socket for RS-232 > functions. This now renders obsolete the original DB9-equipped cable that > came with the AT-AUTO. Fortunately, Elecraft includes with the upgraded > KIO3B board a pre-wired 30-inch RS-232 cable. This cable has an RJ-45 plug > on one end and a DE9S plug on the other end. Unfortunately, this cable is > wired straight-through . . . no cross-wiring . . . which means no QSY > following by the Palstar. > > After spending more time than I care to admit in testing cable continuity, > serial baud settings, and configuration menus in both the K3 and the Palstar, > I suddenly tumbled to the fact that the Palstar cable is cross-wired while > the Elecraft cable is not. > > Home-brewing a new cable with the proper wiring now permits the AT-AUTO to > follow band and frequency changes in the K3. Unfortunately, the Elecraft > cable uses molded connectors which prevented an easy and quick fix. > > Just a tip for those who own either the original Palstar AT-AUTO or the newer > HF-AUTO (which I presume is wired the same), or for anyone using RS-232 > peripheral devices who want to upgrade to the new KIO3B board. Those > pin-outs in the manuals are there for a reason! > > 73, > > Kent Trimble, K9ZTV > Jefferson City, Missouri > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@widomaker.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] RS232 DEVICES VIA KIO3B BOARD
The RS-232 thread comes coincidentally at a time when I have just experienced an RS-232 "gotcha." If you own a Palstar AT-AUTO you need to remember that the RS-232 cable (null modem) originally supplied with the tuner is cross-wired (pin 2 to pin 3, and pin 3 to pin 2). This is the correct wiring that allows the tuner to follow frequency excursions by the K3. Recently I returned my K3 (sn 21) to Watsonville for hardware upgrades that included replacing the KIO3A board with the new KIO3B board (now standard on the K3S). However, this new board no longer utilizes a DB-9 connector for RS-232 functions, but instead uses a female RJ-45 socket for RS-232 functions. This now renders obsolete the original DB9-equipped cable that came with the AT-AUTO. Fortunately, Elecraft includes with the upgraded KIO3B board a pre-wired 30-inch RS-232 cable. This cable has an RJ-45 plug on one end and a DE9S plug on the other end. Unfortunately, this cable is wired straight-through . . . no cross-wiring . . . which means no QSY following by the Palstar. After spending more time than I care to admit in testing cable continuity, serial baud settings, and configuration menus in both the K3 and the Palstar, I suddenly tumbled to the fact that the Palstar cable is cross-wired while the Elecraft cable is not. Home-brewing a new cable with the proper wiring now permits the AT-AUTO to follow band and frequency changes in the K3. Unfortunately, the Elecraft cable uses molded connectors which prevented an easy and quick fix. Just a tip for those who own either the original Palstar AT-AUTO or the newer HF-AUTO (which I presume is wired the same), or for anyone using RS-232 peripheral devices who want to upgrade to the new KIO3B board. Those pin-outs in the manuals are there for a reason! 73, Kent Trimble, K9ZTV Jefferson City, Missouri __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
