Then the comparison between FSN with V5 interface and Remote Switching Unit (RSU) is presented, reaching the conclusion that mass adoption of RSU will impair the future development of communication information networks.

• 文章对国际全业务接入网的发展进行了研讨；并分析比较了具有V5等标准接口的接入网与远端交换模块(RSU)的优缺点；认为大量采用远端交换模块会对未来通信信息网络的发展造成不利影响.