By using a DX Hub do I gain channels on the console or is it just adding more inputs/outputs on the network?
SQ has a fixed internal structure
48 input, 8 FX return, 4 FX send, 12 mixes (Aux or group mono and stereo), Main mix and 3 matrices
but it is possible to patch many sources to these…
https://www.allen-heath.com/media/SLinkConnections_V1_3_0.pdf