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介绍了PON的发展过程以及EPON的网络结构、主要优势、干线保护方案等技术特点及应用,指出EPON是FTTX理想的解决方案。
The development process of PON, the network structure of EPON, the main advantages, the technical characteristics and application of trunk protection scheme are introduced. It is pointed out that EPON is the ideal solution for FTTX.