Don: That's what I thought from the KAT100 manual. Thanks! Brian KB1VBF Sent from my iPad
> On Jan 4, 2015, at 6:41 PM, Don Wilhelm <w3...@embarqmail.com> wrote: > > Brian, > > Yes, certainly - you expand the computer cable that you are now using with > the pigtail to the KAT100 - as shown in the KAT100 manual. The K2 operates > as normal. > The control cable connector with the two cables in it must connect to the > KIO2. > > My point was only that: > The TTL to RS-232 converter chip in the KPA100 cannot be used for computer > control with the KPA100 mounted in the EC2 enclosure. That part is only > functional when the KPA100 is mounted on the base K2 (with the external > mounting, there are no TXD and RXD signals sent to the KPA100). > > So you get your computer communications from the KIO2, and not from the > KPA100. > > 73, > Don W3FPR > >> On 1/4/2015 6:08 PM, Brian Denley wrote: >> Don: >> Thanks for all that information. My K2 has the KIO2 and I am building the >> KAT100 in the EC2 next week. On you last paragraph: will I still be able >> to use the 'Twins' setup under computer control through the KIO2? >> >> Brian KB1VBF >> >> Sent from my iPad >> >>> On Jan 4, 2015, at 7:59 AM, Don Wilhelm <w3...@embarqmail.com> wrote: >>> >>> Brian, >>> >>> The web pages have gone away, but the instructions are quite easy. >>> First, you need the KIO2 installed in the base K2. >>> >>> Build the KAT100-2, just follow instructions - build the cable for the >>> KAT100 as instructed in the manual. Test and align it with the K2/10 at 10 >>> watts - the RF output from the K2 will be from ANT1 if you have the KAT2 >>> installed. >>> >>> Then build the KPA100. Do the alignment, test and calibration with it >>> connected as normal to the base K2. >>> >>> Then install the KPA100 in the EC2 enclosure. It plugs right into the >>> KAT100-2 You will have to remove pin 4 from the ribbon cable connector. >>> >>> Connect a BNC to BNC cable between the base K2 ANT1 connector, a short UHF >>> to UHF cable between the KPA100 ANT jack to the KAT100 RF IN jack. The >>> control cable connector with the two cables plugs into the KIO2 and the >>> other male connector plugs into either the KAT100 or the KPA100 DB-9 >>> connector. >>> >>> The K2 senses the presence of both the KPA100 and the KAT2 and >>> automatically forces the KAT2 to bypass and ANT1. Operation is automatic >>> and seamless. >>> To use the K2/10 for portable operation, remove the BNC cable from ANT1 and >>> remove the control cable - the K2 will then revert to the 10 watt >>> transceiver with the KAT2 active. >>> >>> Normally in the external KAT100-2/KPA100 combination, the power for the >>> KAT100 comes through the KPA100 APP power cable. If you want to set it up >>> so the K2 will revert to low power automatically if the AC powered large >>> power supply goes down in an AC power failure, you must power *both* the >>> base K2 and the KAT100 from a battery backed supply. The switch to low >>> power will then be automatic if the large power source goes down. >>> >>> Even though the KPA100 duplicates the AUX IO port of the KIO2, the computer >>> connection part of that connector will not be functional when mounted in >>> the EC2 enclosure. Computer communications must be from the KIO2. >>> >>> 73, >>> Don W3FPR >>> >>>> On 1/4/2015 12:42 AM, Brian Denley wrote: >>>> I am building a KAT100 and KPA100 in an separate EC2 housing. There used >>>> to be some websites with details on this arrangement but I can no longer >>>> find them. As I understand things, the KPA100 / KAT100 will operate from >>>> the KIOS cable but do I need to disable my KAT2? > > ______________________________________________________________ > 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 b.den...@comcast.net ______________________________________________________________ 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
