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随着市区数字电视整转工作的逐渐完成,目前数字电视双向整转工作的主战场也随之向农村转移,面对与城市截然不同的特殊建网环境,农村双向网建设方案的选定以及相关设备选型和部署成了我们面对的主要问题,本文主要介绍了EPON+LAN和EPON+EoC这两种NGB和三网融合的理想接入方案在扬州市区远郊广播电视中心所属的农村双向数字电视网中的实际应用。
With the gradual completion of urban digital TV turnaround, the main battlefield of the current two-way digital TV turnaround also will be transferred to rural areas, in the face of the city with a very different special network construction environment, rural two-way network construction program selected As well as related equipment selection and deployment has become the main problem we face, this article describes the EPON + LAN and EPON + EoC these two ideal combination of NGB and triple play access programs in the suburbs of Yangzhou Radio and Television Center belongs Practical Application of Rural Bi - directional Digital Television Network.