DISTRIBUTED DEPLOYMENT AND CENTRALIZED CONTROL CABLE TELEVISION NETWORK BROADBAND ACCESS SYSTEM

Provided in the present invention is a distributed deployment and centralized control cable television network broadband access system, comprising: a system terminal, used for receiving and transmitting uplink/downlink service data, and for receiving and replying access control data and management control data; a system access end, used for data format conversion and data forwarding or processing of the uplink/downlink service data and of the access control data and the management control data of the system terminal, and for transmitting, receiving, and replying the management control data of the system access end; and a system head end, used for management control and access control of the system access end and of the system terminal, and for processing, combining, and forwarding the uplink/downlink service data. The system is a system infrastructure of three-tier distributed deployment and centralized control constituted by the system terminal, the system access end, and the system head end. This implements