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由邮电部北京仪表研究所和邮电科学研究院研究生部研制的市话用户线自动测试管理系统(LTMS)于1989年在成都通过鉴定。主持和参加鉴定的单位有邮电部科技司、电信总局、研究院、设计院、四川省管局、成都市电信局以及部份外省市邮电局。 该系统的主要功能为:第一,对用户线进行自动测试。可以测试用户线的地气、自混、它混、断线和用户号盘断续比参数。还可完成例行线路测试、定期号盘测试、选号测试三种类型的作业。可以打印出测试结果报告,包括测试结果汇总表、测试障碍派修
The local telephone subscriber line automatic test management system (LTMS), developed by the Graduate School of the Beijing Institute of Metrology and the Post and Telecommunication Research Institute of the Ministry of Posts and Telecommunications, passed the appraisal in Chengdu in 1989. Presiding over and participating in the appraisal unit Ministry of Posts and Telecommunications Technology, Telecommunications, Research Institute, Design Institute, Sichuan Provincial Bureau, Chengdu Bureau of Communications and some provinces and cities, the post office. The system’s main functions are as follows: First, automatic testing of subscriber lines. Can test the subscriber line ground, self-mix, it mixed, disconnected and user number plate intermittent than the parameters. Routine line testing can also be completed, the number plate test regularly, the number of test three types of jobs. Test results can be printed out reports, including test results summary table, test disability repair