摘要
当前NGB的建设如火如荼,结合仪征广电网络的现状,依托城区及市-乡完善的1 550 nm干线环网,根据EPON技术特点和优势,提出仪征广电双向网改造可行性方案和实践,并逐步开展了基于NGB的有线电视综合业务,为最终过渡到下一代广播电视网(NGB),实现"三网融合"奠定坚实基础。
The current construction of NGB is raging fire.Based on present condition of Yizheng CATV networks,relying on the perfect 1 550nm mainline ring net of urban areas and rural areas,and the features and strong points of EPON technology,the article proposes the feasibility plan and its implementations.Basing on NGB,all kinds of business have gradually been developing.Finally the transition lays a solid foundation for the next generation broadcast networks,as well as the ＂triple play＂.
出处
《中国有线电视》
2011年第6期722-726,共5页
China Digital Cable TV
关键词
NGB
双向网
EPON
DWDM
三网融合
next generation broadcast networks
bi-directional network
EPON
DWDM
the convergence of CATV networks
telecommunication networks and computer data networks
