SDH光传输误码测试仪方案设计  

Scheme design of BER tester using for SDH optical transmission network

作　　者：张小勇[1] 孙述桂[1] 张骞[1] ZHANG Xiaoyong;SUN Shugui;ZHANG Qian(No.thirty-fbur Institute of China Electronics Technology Group Corporation,Guilin,Guangxi 541004)

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004

出　　处：《长江信息通信》2022年第6期128-130,共3页Changjiang Information & Communications

摘　　要：文章介绍了一种基于LPC2478 CPU和XC3S1500 FPGA的光传输误码测试仪的方案设计。该测试仪以FPGA为数据处理核心,完成误码检测;CPU为控制核心,完成系统初始化和逻辑控制。详细描述了SDH信号处理模块、控制模块、时钟同步模块、误码检测模块的软硬件设计。并利用设计的样机和进口仪器ANT-5进行了对测,对多批次SDH设备进行了误码测试,测试结果表明此设计方案稳定可靠,实现了对SDH光传输设备误码检测的设计要求。Thispaper introduces a design a of BER tester using for SDH optical transmission network.This BER tester is based on LPC2478 CPU and XC3S1500 FPGA.The FPGA is to achieve error detection,while the CPU takes system initialization and charge of controlling logic.And the paper has describedhardware and software design of SDH signal processing module,the control module,the clock synchronization module and error detection module.And then,some experiment results are given to prove that the design ofBER tester can work stableand reliable.

关 键 词：SDH 光传输 误码测试 

分 类 号：TN914.3[电子电信—通信与信息系统]