A Network Cabinet, often interchangeably called a server rack, is a physical frame or enclosure designed to house and organize various types of network hardware and accessories. Whether you're setting up a new office or streamlining an existing network, understanding the importance, types, and usage of network cabinets is crucial. In this. The network cabinet is a closed metal structure that houses network equipment like routers, switches, patch panels, servers, energy distribution equipment, as well as cables management equipment.