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窄频 EPON 和 50G PON 波分复用共存,高效保障PON生态演进
50G PON是目前商用的最新、带宽最高的PON FTTP技术,运营商已开始部署。由于宽频EPON使用的波长范围较宽(1260-1360nm),与50G PON在上行(1286nm)和下行(1342nm)两个方向上重叠,使得EPON 和 50G PON 在同一PON现网上共存变得困难。 解决这一挑战有几种可能的方法。
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