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3月28日,北京市电信管理局与上海贝尔公司在京签订合同,全部采用Cisco/StrataCom的帧中继BPX/AXIS和IGX交换机,建设中国第一个帧中继省、市网。该网建成后,将可广泛连接ATM、X.25、DDN、电话网以及ISDN网等,向北京地区提供高速数据通路,为帧中继技术在中国的发展探索出有效的道路。北京帧中继网由45个结点组成,核心层由Cisco的BPX/AXIS的高速、宽带帧中继交换机以网状结构组成。接
March 28, Beijing Telecommunication Authority and Shanghai Bell signed a contract in Beijing, all using Cisco / StrataCom’s Frame Relay BPX / AXIS and IGX switches to build China’s first frame relay provincial and municipal networks. After the completion of the network, it will be able to widely connect ATM, X.25, DDN, telephone network and ISDN network to provide high-speed data path to Beijing and explore effective ways for the development of frame relay technology in China. Beijing Frame Relay network consists of 45 nodes, the core layer by the Cisco BPX / AXIS high-speed, broadband frame relay switches to network structure. Pick up