1000Base-T型网络物理层特征信号测试技术研究  

Research on Consistency Testing Technology of 1000Base-T Ethernet Physical Layer

作　　者：杨洋[1] 沈小青[1] 章文斌 顾卫红[1] Yang Yang;Shen Xiaoqin;Zhang Wenbin;Gu Weihong(China Satellite Maritime Telemetry and Telecontrol Department,Jiangyin214431,China)

机构地区：[1]中国卫星海上测控部,江苏江阴214431

出　　处：《计算机测量与控制》2019年第5期18-21,共4页Computer Measurement &Control

摘　　要：网络物理层基于网络结构底层,负责网络电信号的发送、接收,当网络物理层性能状态出现问题时,将严重影响网络设备的通信质量,且故障点难以被发现排除;为有效确保网络设备通信质量,及时发现设备故障隐患,需求设计准确高效的网络物理层指标测试方法;依据《IEEE 802.3-2000和ANSI X3.263-1995标准》关于以太网物理层特征信号电参数特性的相关要求,对1000Base-T型网络接口物理层一致性特征信号测试方法进行研究,基于宽带数字示波器测试系统,并结合数字示波器高级触发功能设计了能够准确捕获特定特征信号的测试方法,该方法能满足网络物理层一致性测试技术需求,准确开展网络物理层指标测试工作。Network physical layer is based on the bottom layer of the network structure and is responsible for the transmission and reception of network electrical signals.When the performance status of the physical layer of the network is problematic,the communication quality of the network device will be seriously affected,and the fault point is difficult to be found and excluded.In order to effectively ensure the communication quality of network equipment and discover hidden dangers of equipment failures,it is necessary to design an accurate and efficient network physical layer index test method.According to the requirements of the IEEE 802.3-2000 and ANSI X3.263-1995 standards for the electrical parameters of the characteristic signals of the Ethernet physical layer,the test method of the physical layer consistency characteristic signal of the 1000 Base-T network interface is studied,based on the broadband digital oscilloscope test system,combined with the advanced trigger function of the digital oscilloscope,has designed a test method that can accurately capture specific characteristic signals.This method can meet the requirements of network physical layer conformance test technology and accurately carry out network physical layer index test work.

关 键 词：网络接口 物理层 一致性 测试 

分 类 号：TP311.53[自动化与计算机技术—计算机软件与理论]