Yapp, this is the way, use twisted CAT5/6/7 as serial cables, Jim is 100% correct. The document on audiosystemsgroup is one of my RFI bibles, a "must read" by all hams Tnx Jim,
VE3GNO Daniel ________________________________ From: Jim Brown <[email protected]> To: [email protected] Sent: Thursday, May 24, 2012 12:28:37 PM Subject: Re: [Elecraft] Improved KIO3A Immunity to EMP On 5/24/2012 7:29 AM, VE3GNO Daniel wrote: > I tried to use serial port isolator with 5 wires to get better lightning > protection. It would be hard to beat a K9YC serial cable -- CAT5 cable, with one pair per circuit, the return of each pair bonded to the DB9 shell at each end -- AND every chassis bonded together with short, fat copper. see http://audiosystemsgroup.com/HamInterfacing.pdf for details 73, Jim K9YC ______________________________________________________________ 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 ______________________________________________________________ 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
