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光通信技术在我省二级干线中已得到广泛应用.我省已形成以省会南京为中心,辐射至各市、县的数字传输干线网,其中95%电路使用了光缆传输系统.从去年开始,我省各市县在交换设备都已程控化的基础上,将通信网络建设的重点放在农村通信上,今年更是大发展的一年.目前农村光传输系统主要指用于C4至C5局的光中继传输.
Optical communication technology has been widely used in the secondary trunk lines in our province.Our province has formed a digital transmission trunk network that takes the provincial capital Nanjing as the center and radiates to all the cities and counties, of which 95% uses optical fiber transmission systems.From last year, All cities and counties in the province have been programmed on the basis of the exchange of equipment, the communication network construction will focus on rural communications, this year is the year of great development.Currently the rural optical transmission system mainly refers to C4 to C5 Bureau Optical relay transmission.