It sounds a picture below is what you need.
Note that there's no configuration on X76 through X33/34. they are just wires from the base to MF installed inside of a manipulator. There's no EtherCAT Coupler in it, no direct control from the Controller. Simply just wires that you can use as your own as well as power sources of your own.
And the pin names [A,B,1,2,3,4,5,6,7,8,9] are shown on the X76 connector kit that you can assemble on your own. If you don't have it, you need to get one from KUKA(both X76 side and X33/34 side).