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为了能够使目前有线数字电视宽带信息网能够承载更加丰富的内容,并为用户提供更加优质的服务,网络中“最后一公里”的建设成为迫切的要求,EPON技术应运而生。文章介绍了EPON(以太网无源光网络)技术的定义、工作原理、优点及其在数字电视平台中的应用,并展望了EPON技术未来的前景。
In order to enable the current cable digital television broadband information network to carry richer content and provide users with more high-quality service, the construction of “the last mile” in the network becomes an urgent requirement and EPON technology emerges as the times require. This paper introduces the definition, working principle and advantages of EPON (Ethernet Passive Optical Network) technology and its application in digital television platform. The future of EPON technology is also forecasted.