YDT 1187-2002 不对称数字用户线(ADSL)话音分离器技术要求和测试方法

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1、ICS33.040.50M19YU中华人民共和国通信行业标准丫D/T1187一2002不对称数字用户线(ADSL)话音分离器技术要求及测试方法TechnicalspecificationandtestmethodforADSLPOTSsplitter2002一04一22发布2002一04一22实施中华人民共和国信息产业部发布YDIT1187-2002目次前言·.....................................................................

2、..................................................III1范围··········································，··································································。·。··⋯12引用标准·········································································

3、。·······························⋯⋯13缩略语·.................................................................................................................14测试用符号定义·································································。···················，⋯⋯

4、”’·‘二‘·’15配合全速率ADSL局侧设备的话音分离器的技术要求及测试方法·······························⋯⋯25.1接口参数·································.........................................................····⋯⋯25.2音频传输特性·...............................................................

5、.................................·一55.3ADSL频带传输特性·...................····································，·····················⋯⋯85.4过压保护·············，，·······，，，，.···················‘····················，······甲甲··，·-··⋯96配合ADSL.lite局侧设备的话音分离器的技术要求及

6、测试方法·······················，··，·，·········⋯⋯106.1接口参数·····················，·，·，·，·，··，···········。·································。······················⋯⋯106.2音频传输特性··················，··，·，·，···········，············。································

7、，··········⋯⋯106.3ADSL频带传输特性·............................................................................................106.4过压保护·.....................................................................................···，···········⋯⋯107配合全速率ADSL用户侧设备

8、的话音分离器的技术要求及测试方法······························⋯⋯107.1接口参数··············································································。······················⋯⋯107.2音频传输特性·..............................................................................