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随着光通信业务的快速增长以及电信运营商的合并重组完成和光缆价格的走低,光缆的应用日趋广泛,新建光缆线路越来越多,除了部分为省际和省内的核心干线网外,其中大多为接入网线路。用户选择的接入网光缆一般为芯数小数量多的松套层绞光缆和芯数大距离短的光纤带光缆,绝大多数没
With the rapid growth of optical communications services and the completion of mergers and reorganizations of telecom operators and the drop in the prices of optical cables, the application of optical cables is becoming more and more widespread. More and more new optical cable lines are being built. Apart from some inter-provincial and provincial core trunk networks, Most of them are access network lines. The user selects the access network cable is generally a small number of cores a small number of loose stranded optical fiber cable and the core number of short distance optical fiber cable, the vast majority did not