In order to prevent signal line crossing and easy maintenance of functional areas, the best sorting order from bottom to top is optical terminals ->bridges ->routers ->switches. Large equipment is installed under the cabinet and is supported by cabinet trays. The rack elevation diagram typically includes a front view of the rack, showing the positioning of equipment from top to bottom. Each device is represented by a rectangular shape, with details such as device name, manufacturer, model number, and other relevant information included. The diagram may. Preferred to start filling from the bottom up, with heaviest devices on the bottom like UPS, storage arrays or blade enclosures. Depending on density, size of rack and quantity of cabling you might have your network devices on the middle on the rack, with the endpoint spread evenly on the bottom. The organizer under the switch takes up one unit and serves to organize the bundle of patch cords from all the servers in the rack. You should also take into account where the power cables to the PDU (Power Distribution Unit) come from (top or bottom), you should also think about PDU placement. The server cabinet is mainly divided into four areas from top to bottom: AC distribution unit, distribution frame, active equipment, and optical cable terminal box. The voice and network. This diagram is an essential tool for IT professionals and network administrators to manage and troubleshoot server infrastructure.