1. The cabinet is divided into four areas from top to bottom: AC distribution unit, distribution frame, active equipment, and fiber optic terminal box.
2. The AC power distribution unit is placed at the top of the cabinet from the safety requirements.
3. The voice and network distribution frame is installed in an easy-to-operate location and placed under the AC power distribution unit.
4. The distribution frame goes down to the active equipment area: similar equipment needs to be arranged according to functions and cable links, such as switches, routers, and bridges are linked one by one, in order to prevent the crossover of signal lines and functional areas It is easy to maintain, and the best order is bridge-router-switch from bottom to top. Large equipment is installed in the lower part of the cabinet, and uses the cabinet tray to bear the load. Due to the small size and large number of optical fiber transceivers, they cannot be fixedly installed in the cabinet, and are also installed on the tray.
5. The optical fiber terminal box of the lowest floor room is also installed on the tray.