城域数据网采用PTN收敛OLT方法研究

摘要

本文介绍了改变汇聚交换机收敛接入层OLT设备的传统模式，利用PTN网络的汇聚及收敛能力，实现OLT通过PTN/OTN传送网直接互联控制层BRAS设备的方法。%This article by introducing a method that the traditional mode of switch converging OLT changes to the mode of PTN converging OLT, which made OLT direct connect with BRAS by PTN or OTN.