YDT 1244_数字用户线(xDSL)设备电磁兼容性要求和测量方法.pdfVIP

11D 中华人民共和国通信行业标准 丫D/T 1244- 2002 数字用户线(xDSL)设备电磁兼容性要求 和测量方法 Requirementandmeasurementmethodsofelectromagneticcompatibiliytfor xDSLequipment 2002-12-10发布 2002-12-10实施 中华人 民共和 国信息产业部 发布 丫Di叮 1244-2002 目 次 前 言 · 11 1范围····················································································································…… 1 2规范性引用文件 ····································································································..…… 1 3 缩略语 ························································································。·························…… 1 试验布置和运行条件································································································……2 4.1试验布置 ······································································································……2 4.2 运行条件 ······································································································……3 性能判据 · 3 5.1性能判据A(连续现象)····················································································……3 5.2性能判据B(瞬态现象)·························································。·························……’4 5.3性能判据C(中断现象) 4 适用性 ··················································································································……4 6.1骚扰测量···············。··。。。·················································································……4 6.2抗扰度试验···，·······························································································……4 7 骚扰测量方法和限值 7.1 机箱端口辐射骚扰 (0.009-30 MHz)····