I have a dpp 1000.2 dish. 110, 119, and 129 are all on one dish for me. When you take the lnb off the front of the dish, there are four ports (on mine anyways) labeled 1-3 and lnb in, with a solo node, only 1 and 2 are connected to 1 and 2 on the solo node. when you add a duo, you connect 1,2...