Erik,
Use the RS-232 interface, but you will need the KXSER cable to connect
the KX3/2 to the DB9 connector. You can order it from Elecraft or
construct your own. If you do not have the parts on hand but still want
to build it, order the kit of parts W1SERKT from Elecraft.
I am certain the schematic appears in other places, but one I know about
is on page 30 of the XG3 Owner's Manual - download it from the Elecraft
website.
73,
Don W3FPR
On 8/5/2017 2:11 PM, Erik Tkal wrote:
> The Rigblaster Advantage has both 3.5mm TTL CI-V/CAT and DB9 RS-232 interfaces, but it’s not clear which would be best to connect to the KX3/KX2.
>
> Googling found old posts that the KX3 ACC1 is flexible enough to handle either, so easiest would be a 3.5mm stereo mini cable, but does it have to be straight through or crossover? If I use 3.5mm to DB9 would it be direct connection or is a special level converter cable needed? I have many USB-serial cables for my KX3/PX3/KXPA100/KX2, never thought to specify the DB9 version for any of them just to have one handy… :-/
>
>
> Thanks and 73,
> Erik Tkal - W1QED
>
>
>
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