近年来,随着光纤光缆传输技术的不断成熟和迅速商用化,全国各地大部分有线电视台已开始对旧电缆网络进行光缆改造。在改造过程中,对光缆的选购是一项很重要的工作,它关系到将来网络基础的质量问题。而目前,国内能够生产光缆的厂家非常多,规 In recent years, with the continuous maturity and rapid commercialization of fiber optic cable transmission technologies, most cable television stations across the country have begun to carry out optical fiber cable transformation on old cable networks. In the process of renovation, the purchase of fiber optic cable is a very important task, which is related to the future quality of network infrastructure. At present, there are many domestic manufacturers that can produce optical fiber cables