Hi, I notice in the manual, page 11, that the connectors P3, P4 and P6 are only supplied with the KAT100-2 version. This seems a little unnecessary and they are shown installed in the front page photo of the KAT100-1. I assume they would be supplied with upgrade panels for the EC2 enclosure. Yours, mildly irritated, Mike VP8NO (IOTA SA-002) K2/100 #1400