actually I guess I bought the wrong dish, my 500 dish isnt a quad LNBF, it is the dual (total of 3 outputs - 2 for 119 & 1 for 110). So is it possible to run each of the 500 duals' outputs to 2 switch strings and the 300 dual's 2 outputs to the 2 switch strings and make it work? That will leave...