Convergence gateway based on cable television network

The invention provides a convergence gateway based on a cable television network. The convergence gateway comprises a main end which is accessed to the cable television network through optical network unit equipment and a set top box, and sub-ends which are connected with terminal access equipment, the main end comprises a coaxial controller, a power controller, an Ethernet controller, a WLAN controller and a global master control system; the coaxial, electric power, Ethernet and WLAN controller is a coaxial, electric power, Ethernet and WLAN transmission link female end; coaxiality and power adopt a G.hn2.0 technical standard, and the global master control system is used for carrying out unified configuration and scheduling on coaxial, power, Ethernet and WLAN transmission links. The sub-terminals are divided into coaxial sub-terminals and power sub-terminals and communicate with the main terminal through corresponding transmission media. According to the invention, a plurality of physical transmission links