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1 概述桐乡市广电局 1997年已实现全市乡镇联网 ,光缆主干线 192ｋｍ ,光缆支干线超过 12 0ｋｍ ,并与嘉兴市、浙江省广电网互联。需求和技术的发展促使桐乡市建设宽带ＩＰ城域网 ,该网络充分发挥有线电视光缆网丰富的潜在网络资源 ,以其网络作为信息传输的物理介质 ,以英国马
1 Overview Tongxiang Radio and Television Bureau in 1997 has achieved township networking in the city, the main fiber optic cable 192km, fiber optic cable trunk line over 12 0km, and Jiaxing City, Zhejiang Province, Guangdong Radio Network interconnection. The development of demand and technology has prompted Tongxiang to build a broadband IP metropolitan area network. The network gives full play to the potential network resources rich in cable television network. With its network as the physical medium for information transmission,