论文部分内容阅读
随着技术的不断进步,有线电视网络向全业务双向数字信息网络的发展的趋势日趋明显,在有线电视网络中承载的新业务(如交互式数字电视、用户语音、视频、宽带业务)迫切的要求有线电视网络进行双向化改造。根据东台广电网络的实际状况,通过调研、论证,以整体转换为契机,我们选择了以太网无源光网络接入技术(EPON)实施城区内有线电视双向化改造。
With the continuous improvement of technology, the development of CATV network towards full-service bi-directional digital information network has become more and more obvious. The new services (such as interactive digital TV, user voice, video and broadband services) carried in cable television networks are urgent Cable network requirements for two-way transformation. According to the actual situation of the radio and television network in Dongtai, through the research, demonstration and overall transformation, we chose Ethernet Passive Optical Network Access Technology (EPON) to implement the bidirectional transformation of CATV in the urban area.