the 16 port active hub has jumpers on it that set which universe to pull off the etherdongle
so to get all 16k channels off one eD, and 4 active hubs...
hub 1 set for pixelnet 1
hub 2 set for pixelnet 2
hub 3 set for pixelnet 3
hub 4 set for pixelnet 4
eD programmed for pixelnet
and to get 2048 channels of dmx only off one eD
eD programmed for DMX
lynx combiner connected backwards, so that it acts like a splitter, instead of a combiner.
each of the 4 ports, would be the seperate dmx universe, and they're already numbered