光码分多址（OCDMA）技术主要应用在接入网中。

The technology of OCDMA has many advantages in access network.

分析了接入网中几种典型的媒质接入控制协议。

Several kind of typical MAC protocols in access network were analyzed.

主要介绍基于RASYS农话接入网基站裂化的技术，详细阐述了扇区裂化设计要点。

It mainly introduces the base station cracking technology based on RASYS rural access. The Outlines of sector cracking design are expatiated.

接着，详细说明时分多路系统在长途主干线路上的应用，以及最近引伸至市内骨干网和接入网的应用。

Then, it describes in detail the application of WDM systems on long distance lines and possible applications in local networks, including those interoffice lines and some access lines.