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邮电部计划在“九五”期间新建的12条长距离、大容量同步数字系列光缆通信干线,目前正在紧张设计之中。根据邮电部的要求,这12条光缆干线将全部在1997年底开工放缆,1998年建成投产。 “九五”计划新建的光缆工程共计2.4万km,其中,呼和浩特—北海、南宁—贵州—昆明、广州—昆明—成都、兰州—西宁—拉萨、上海—广州、西安—重庆等6条光缆由邮电部设计院承担设计,其总长为1.7万km,约占12条光缆线路
The 12 new long-distance and high-capacity synchronous digital optical fiber communications trunks newly planned by the Ministry of Post and Telecommunication during the Ninth Five-year Plan period are currently under intense design. According to the requirements of the Ministry of Posts and Telecommunications, these 12 optical cable lines will all be started by the end of 1997 to uncouple cables and put into operation in 1998. The new optical cable project in the Ninth Five-Year Plan totaled 24,000 km. Among them, six optical fiber cables from Hohhot-Beihai, Nanning-Guizhou-Kunming, Guangzhou-Kunming-Chengdu, Lanzhou-Xining- Lhasa, Shanghai- Guangzhou and Xi’an- Ministry of Posts and Telecommunications Design Institute to undertake the design, the total length of 17,000 km, accounting for 12 cable lines