Different alternative solutions have been presented to realize a broadband interactive access network, such as installing optical fiber or upgrading the existing copper network with ADSL for twisted pair or hybrid fiber coax for CATV networks.

 
  • 实现宽带交互接入网有各种不同的解决方案;如建立光纤网;用双绞线对的ADSL对现有铜线网络进行升级;或在有线电视网中采用光纤同轴混合电缆.
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