基于ARM9的EPON OLT硬件设计与实现  

The hardware design and implementation of OLT ARM9-based EPON system

作　　者：曹铮[1] 谭钦红[1] 宛鹏飞[1] 朱艳艳[1] 

机构地区：[1]重庆邮电大学信号与信息处理重点实验室,重庆400065

出　　处：《光通信技术》2011年第5期44-47,共4页Optical Communication Technology

摘　　要：无源光器件连接局端(optical line terminal,OLT)在EPON体系中是处于核心网络侧的设备。首先对OLT在EPON体系中的功能作了简要介绍,提出了基于ARM9处理器的单板OLT硬件平台的设计方案,并重点分析了EPON协议处理模块、光收发模块、电源模块;最后给出了OLT硬件系统的测试方法。结果表明该设计方案满足EPON OLT功能要求,且具有性能稳定、效果良好、配置维护灵活的特点。OLT（optical line terminal）in the EPON system is at the core network side of the device.This paper first briefly describes the function of OLT in the EPON system.Proposed based on ARM9 processor board design of the hardware platform OLT.Then,A focus on analysis of EPON protocol processing module,Optical transceiver module,power module.Finally,the test method OLT hardware system.Actual proved,this design can meet the functional requirements for EPON OLT,And has stable performance,good effect,maintaining a flexible configuration features.

关 键 词：EPON 无源光器件连接局端 ARM9处理器 硬件平台 

分 类 号：TN87[电子电信—信息与通信工程]