Communication concentrator system

The present invention discloses a communication concentrator system, comprising a wireless communication unit, a power line communication unit and a mainframe unit, wherein the wireless communication unit supports a plurality of preset wireless standards, a wireless network selects a wireless standard corresponding to a target communication device according to a time division multiplexing rule for receiving and sending signals, the power line communication unit supports at least one preset power line standard for receiving and sending the signals through a power line, and the mainframe unit controls and selects the power line communication unit and/or the wireless communication unit to receive and send the signals under a target standard. Appropriate communication modes can be selected according to different signal transmission conditions and different communication devices for communication, so as to improve the compatibility and interoperability of communication methods.