Provide space in the fuse box (1 unit width = 17.5 mm):
1 unit width für each power circuit/room for the dSM
2 unit width for every 3 filters (dSF)
2 unit width for each server (dSS)
Ethernet/home network connection within the circuit distributor.
Enough space in each flush-mounted box where a digitalSTROM terminal block could be mounted. In addition, L and N must be available in these flush-mounted boxes, too.
In ceiling outlets, where luminaires are to be mounted, L and N must also be available.