6月 2 8日 ,广州宽带主干网首期工程开通 ,这是我国第一个开通试运行的宽带大容量城域主干网 ,也是国内第一个运用有线光纤与无线宽频接入互补方式的城域接入和驻地网。据悉 ,广州宽带主干网最大带宽 160Ｇ。广州宽带主干网项目是宽带大容量、向社会全开放的城市信息传输、交换 On June 28, the first phase of Guangzhou Broadband Backbone Network was opened. This is the first large-capacity metro backbone network in China that has been commissioned to run. It is also the first city in China that uses wired optical fiber and wireless broadband access to complement each other Domain access and site network. It is reported that the maximum bandwidth of Guangzhou broadband backbone 160G. Guangzhou broadband backbone network project is a broadband high-capacity, to the community open city information transmission, exchange