I find the labels in the DIP switch panel a bit confusing: on the left there is 1 to 8 and on the right there is +5V, +5V, CV, GATE, CTRL, CLOCK, START, STOP (i.e. 8 of the 10 bus signals). I first thought the 8 additional signals had something to do with it, because they are also labeled 1 to 8, but the MASTER module wiki page tells me the switches are simply for disabling certain bus signals.
If you have a master module in both cases, and want to use Racklink to just send the 8 additional signals and ground(!)
If you don't have a master module in the slave case, and would like the Racklink to just supply power, ground and the 8 additional signals, this would mean that in the slave rack you could also use the CV bus as you wish (since there is no master sourcing the signals)
Maybe this should also be mentioned on the RACKLINK page?
There is a use case I have in mind that is not listed. I think it is allowed, but just want to make sure:
If you have a master module in one case and a power module in the other case, and would like the racklink to supply the MIDI signals, the 8 addition signals, and ground (in other words, everything except +5V).
What would happen if you have a master or power module in both cases and connect the cases with the racklink (and do not disable +5V). I suppose that would also work fine (and hence make the case above not an actual racklink use case)?