Network layout of a network cabinet refers to

A rack diagram is a visual representation of the layout and configuration of equipment in a server rack. It shows the physical placement of servers, switches, routers, and other networking devices, as well as the connections between them. It provides a clear and organized view of the network. A network closet, often a small room or designated area within a building, houses the network hardware needed for data communication. Cables entering a building run through a centralized MDF, then each individual IDF and then on to specific workstations. [pdf]