Fan communication cabinet

The invention relates to a fan communication cabinet, and belongs to the technical field of substation communication. The fan communication cabinet comprises a communication power supply circuit, thecommunication power supply circuit comprises a power supply, the power supply is connected with a power socket through a circuit breaker, a fuse and a terminal strip, and the power socket is in powersupply connection with the forward isolation device and the communication switch; an intranet port of the forward isolation device is connected with the communication switch, and an extranet port of the forward isolation device is connected with an external server, so that unidirectional forwarding of fan data is realized; the communication switch is connected with an optical cable distribution box, and the optical cable distribution box is used for connecting line optical fibers of an optical fiber ring network. According to the invention, the communication power supply circuit, the forward isolation device, the commu