I am in need of the CAT interface cable...RS-232 to 6 pin din plug for the FT-747GX .This 6 pin din plug fits into the CAT port on the back of the FT-747GX . Need this cable to conect to my PC. Tried YAESU, but they can't help with this item. Thanks, JACK,Medford, Oregon, 541 944 9052