I have a Dish 500 system that was installed in 2003. The installers took the two outputs from the antenna, fed them into a Dish SW21 switch and then ran a single line into the house. I want to purchase a Dish 322 receiver and have been reading the installation manuals. It looks as though the Dish 322 requires dual inputs from the Dish 500 antenna. I was wondering if there was some way to separate the single line into two inputs at the receiver. I called Dish twice and got two different responses. First one said it could not be done and the second said yes using a Dish Pro Plus Separator. Questioning which response was right, I read additional info on the separator and it looks as though it can only be used with a Dish Pro Plus antenna. Can anyone tell if a Dish 500 antenna can feed a Dish 322 receiver using a single feed into the house?