On Saturday 28 May 2005 17:12, you wrote: > The KIO2 translates the level from RS232 to TTL which is applied directly > to pin 26 of the MCU thru AUX/IO connector J4/P4. Not much can go wrong > there, but if you have a scope you can look at pin 26 and see if it is > toggling when you send data to the K2. If not the problem is upstream, if > it is getting to pin 26 then you may have a bad MCU, try reseating it > before you panic and buy another one. > > 73 Jim, W4ATK > >
Thanks, Jim. This is most bizarre! I have a scope and have checked that the rs232 signal goes right back to pin 26 on the MCU. I have also replaced the MCU (version 2.04P) with the previous version (2.03D) without result. Pieter _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
