Protects the whole electrical and IT cabling against failure, manipulation and interference. In Edition 2023 the Baustein carries 17 requirement numbers, 17 of them live: 4 Basis requirements (B, MUSS, to be fulfilled first and without exception), 9 Standard requirements (S, SOLLTE) and 4 requirements for elevated protection needs (H). It is applied to a building or room in modelling order R2. The requirements property on this node lists every requirement by number, title, level and responsible role, so a requirement is cited as INF.12.A<n>.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.