Communication management machine

The utility model discloses a communication management machine, which comprises a shell, and a power supply module, a main control module, a multi-serial port expansion module and a multi-internet access expansion module which are arranged in the shell, a clamping piece is arranged on the shell, and the clamping piece is matched with a power distribution cabinet guide rail; wherein the power supply module is electrically connected with the main control module, and the main control module is also electrically connected with the multi-serial-port expansion module and the multi-internet-port expansion module; the multi-serial-port expansion module comprises a serial port expansion control module and at least two serial port modules. The multi-network-port expansion module comprises a networkport expansion control module and at least two RJ45 Ethernet modules. Therefore, the communication management machine provided by the utility model is convenient and fast to assemble and disassemble,the plurality of network p