I believe it’s 3 boards. It included a back panel board with USB and a RJ45 that replaces the DE-9 for serial connection. If you have a P3 there is a “Y” cable that connects the TJ45 to the two P3 serial ports.
Sent from my iPhone ...nr4c. bill > On Jun 18, 2020, at 11:11 PM, HP <[email protected]> wrote: > > Do I understand correctly that to upgrade a K3 SN 7500 series with the KXV3A > installed - only requires the > KXV3B board for upgrade with the additional preamp , not the entire KXV3B ? > > > Hank K7HP > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

