摘要
Sunrise公司推出的数字用户线测试仪SunSet xDSL综合了数字多用表、时域反射计、频谱分析仪功能以及内置ADSL/HDSL调制解调器模块,仅重1.3千克。利用它可通过单端测量、主从机测量和ATU-C/R仿真等方法,进行开通前线路质量确认性测试、传输质量测试以及故障定位测试等。
The digital subscriber line tester Sunset xDSL developed by the Sunrise Telecom Inc. encompasses a digital multipurpose meter, a time domain reflectometer, and a spectrum analyzer as well as built - in ADSL/ HDSL Modem modules . It weighs only 1 . 3 kilograms . The line quality test, transmission quality test and fault location test can be conducted prior to operation by mean of single - ended measurement, master - slave system measurement and ATU - C/R emulation .
出处
《世界电信》
1999年第2期29-31,共3页
World Telecommunications
关键词
数字用户环路
测量仪表
线路测量
故障检测
XDSL
Digital subscriber loops Measuring instruments Line measurement Fault detection
