With the rapid development of digital TV network,most of the township has been basically achieved full coverage of digital TV network.In this paper,based on the current digital network,the paper elaborates on the digital TV network,and uses the existing software and hardware conditions to build data broadband services,so as to achieve broadband coverage,and promote the rapid development of triple play.%随着数字电视网络的快速发展，目前多数乡镇已基本实现数字电视网络的全覆盖。结合当前数字电视网络实际，详细阐述在数字电视网络基础上，利用现有的软硬件条件构建数据宽带网络系统，从而实现宽带业务的覆盖，促进三网融合的快速发展。
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