论文部分内容阅读
中国国家广播电影电视总局信息网络中心已经与北电网络签署了价值约 1 0 0 0万美元的合同 ,建设中国广电系统迄今规模最大、跨度最长的光纤骨干网络。该系统将以北电网络的ＯＰＴｅｒａ长途 1 60 0光纤系统和Ｐｒｅｓｉｄｅ网络与服务管理系统为基础。这条长近 30 0 0ｋｍ、高?
The Information Network Center of China’s State Administration of Radio, Film and Television has signed a contract with Nortel Networks worth about 10 million U.S. dollars so as to build the largest and most extensive optical fiber backbone network in China’s radio and television system to date. The system will be based on Nortel Networks OPTera long-haul 160 optical fiber system and Preside network and service management system. This is nearly 30 0 0km, high?