ITU-T G.123-1988
国内网络中的电路噪音

Circuit Noise in National Networks

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标准号

ITU-T G.123-1988

发布

1988年

发布单位

国际电信联盟

 

 

引用标准

ITU-T G.123

适用范围

The network performance objective for the psophometric e.m.f. of the noise produced by magnetic and/or electrostatic induction from all the power lines affecting one or more parts of a chain of telephone lines’) joining a subscriber’s set to its international centre should not exceed 1 millivolt, this being the value at the linel) terminais of the subscriber’s set (when receiving), it being assumed that the telecommunication installations inserted in that chain are balanced to earth as perfectly as possible, in conformity with the most modern equipment construction.

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