Hi, I'm a newbie in Dish network world and the forum. I have installed 2 weeks ago a Dish 500 system (two 4 1/2 feet dishes and 2 receivers: 522 DVR double model + 311 single model) for 3 rooms. The installer used an SW44 switch, which has up to 4 outputs. Since I have 4 rooms, I asked the guy...