基于EPON的配电通信接入网ODN设计

The ODN Design for Power Distribution Communication Access Network Based on EPON

为满足配电通信接入网中EPON通信系统对光分配网络建设的要求,结合现场工程设计一种ODN建设方案,对光缆网络进行分层设计,形成一级汇聚网络和二级辐射网络。其中,处于一级汇聚网上光缆汇接点需要考虑接入至少2个变电站,形成光缆路由保护;二级辐射网络就近接入相邻汇接点形成手拉手保护。方案具有节省光缆资源、减少光缆施工难度、方便维护的优点。实际测试结果表明,该方案能满足EPON通信系统的光缆铺设及光功率要求,为配电通信接入网的建设提供有力支持。

To meet the optical distribution network construction requirements of EPON communication system in power distribution communication access network, according to the practical engineering project experiences, an ODN solution is given in the end. In the proposed solution, the optical network is designed by hierarchical, which is composed of two levels, the first aggregation level and the second radial level. The first aggregation level should take consideration that each fiber cable PoP can access to at least two transformer station so that it can get the fiber optics route protection. The second-level radial network can aceess to the neighboring sites, which can get hand in hand protection. The pro- posed scheme has advantages of saving cable resources, reducing the difficuhy of cable construction and maintaining eas- ily. The actual test results show that the scheme can meet the cable construction and optical power requirements of E- PON communication system, which provides strong supports to the construction of optical fiber communication system in power distribution automation.