Wide band optical fiber access network trend of development Author: Liu Jinhai article source: Computer universal time: 2005-3-8 This article first is brief introduced the world broadband access network develops the condition and the main applicatio
AAL ATM适配层 ATM Adaptation Layer ABR 可用比特率 Available Bit Rate ACR 衰减串扰比 ADPCM 自适应差分PCM ADSL 非对称数字环路 Asymmetric Digital Subscriber Line AMI ATM Management Interface AMPS 先进型移动电话系统 Advanced Mobile Phone System ANS 高级网络与服务 Advanced Networks and