ITU-T Q.164-1989
勘测设备和信号的测试设备

Test Equipment for Checking Equipment and Signals - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp


 

 

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标准号
ITU-T Q.164-1989
发布日期
1989年01月01日
实施日期
废止日期
中国标准分类号
M92
发布单位
IX-ITU
适用范围
Note on items a) to m) - As part of the comprehensive tests it may, in certain circumstances such as fault localization, be desirable to test the frequency, level, and duration of received signals. Normally, however, it may be assumed that each Administra

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