I'll try and answer a few of them ...
DishComm and/or Ethernet should suffice.TBoneit said:
I do not know of a way to force one way or the other without disconnecting the one you don't want to use. Also, all features may not work over both types of connections. i.e. you may have to use the phone line for some features still, I'm not sure.
To my knowledge you need to enable locks do lock out PPVs or any channels