The Lighting Controller

In certain situations I might want to put "pairs" or groups of fixtures at the same address.

This might be for ease of programming, or it might be to overcome the fixture limit imposed by the cable dongle.

I haven't yet tried it to see if it works, but the fixtures are just receivers, so can't see how it couldn't work, but ask the experts before you dive in is my philosphy.

Yes no problem.
Our software will see one DMX fixture at the DMX address.