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引言宽带用户对带宽的需求不断扩大是宽带业务发展过程的一个主要特征。电信运营商为确保竞争优势正大力进行光纤宽带网的建设和优化工作,无源光配线网(ODN)在光纤宽带网中起着接续局端设备与用户端设备的重要作用,更是宽带网建设运营中无源光网络技术的主要体现。作为光纤接入网的无源线路设施部分,ODN的产品种类繁多,工程施工较复杂,问题定位困难。为更好地支撑宽带业务发展,节省建网成本和降低运维复杂度,建设一个高可靠、低成本、易管理、灵活高效、可演进的ODN网络已成为运营商的共识。
Introduction The growing demand for bandwidth from broadband users is a key feature of the broadband service’s evolution. In order to ensure competitive advantage, telecom operators are making great efforts in the construction and optimization of optical fiber broadband networks. Passive optical distribution networks (ODNs) play an important role in optical fiber broadband networks as connecting end office equipment and customer premise equipment. They are also broadband Network construction and operation of passive optical network technology is the main embodiment. As part of the passive line facilities of optical access network, ODN has a wide range of products, complex construction and difficult problem location. In order to better support the development of broadband services, save the cost of network construction and reduce the complexity of operation and maintenance, it has become a consensus of operators to build a highly reliable, low cost, easy to manage, flexible, highly efficient and evolved ODN network.