【摘要】 基于 ＡＴＭ（异步传输模式）的无源光网络（ＡＴＭ－ＰＯＮ）代表了宽带接入技术的最新进展，简要介绍了它的发展及其优点，进而基于ＩＴＵ－Ｔ的Ｇ．９８２和Ｇ．９８３建议介绍了ＡＴＭ－ＰＯＮ的参考模型、分层结构和关键技术。更多还原

【Abstract】 ATM-PON (Asynchronous Transfer Mode based Passive Optical Network ) represents the latest development of broadband access techniques. This paper introduces its evolution. advantages, the character of its reference model. layered architecture and key techniques, which are in accordance with the ITU-T Recommendation G. 982 and G. 983.更多还原