Hi everybody, Here is my plan, please check me: Using a hybrid cable that I made for my K3 9 years ago.... 5 pin Kenwood 'B Connector' (per the MC-50 manual) to an 8 pin DIN connector (K2 connection). 1 - 1 AF 2 - 2 PTT 5 - 7 GND 73, Ken - WZ6P