I was afraid that was the answer: 32 SS Hubs.
I suspose you could just get another EtD flashed to DMX and use multile de-combiners.
So next question: Can you decombine more than once using it in that way. Maybe this is getting silly, but I am trying to understand how to do this in case I need more than 4 universes of DMX one day. I think there was a post about using multiple EtD's on a single PC. That would be one pixelnet and one DMX flashed. Then the DMX could be split into multiple universes.
Where I am going with this is to transmit everything wireless ethernet to the yard for the least amount of hardware and $$$$.
You can't cascade De-combiners. They do nothing related to protocols. So that idea won't do it.
I haven't done the math... But using the example of 16384 dmx channels...
Opt A: (1) EtD and (32) smart hubs = $?
Opt B: (8 ) EtD and (8 ) DE-combiners = $?
I suspect Opt B is cheaper and quicker to build... With fewer and simpler assembly.
BUT... RJ has not released firmware for multiple coexisting EtDs with different addresses. He has shared beta for up to 3 pixelnets.
Unless RJ does custom firmware, you are stuck with Opt A.