论文部分内容阅读
有线电视宽带接入网络主要由交换网、传输网、接入网 3部分组成。1 交换网交换网位于有线电视前端 ,其作用是支持各种业务的高速大容量交换 ,实现网络中任意两个或多个用户之间与服务提供者之间的相互通信。华北石油管理局有线电视建网第一阶段 ,在局有线电视中心前端安装 1台
Cable broadband access network mainly by the switching network, transmission network, access network composed of three parts. 1 switching network Switching network located in the front of the cable, its role is to support a variety of high-speed high-capacity business exchange, to achieve any two or more users in the network and service providers communicate with each other. North China Petroleum Administration cable network building the first phase, the bureau cable TV center front installation 1