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[GB/T 3974-1983] 大容量长距离模拟微波通信干线电话传输干扰容限[已废止]
发布时间：1983-01-02
实施时间：1984-10-01
本标准规定了国家通信网中大容量长距离模拟微波通信干线的电话传输干扰容限。它是该模拟微波通信系统的总体..
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[GB/T 2789-1981] 模拟微波接力通信系统网路接口基本技术要求[已废止]
发布时间：1982-07-01
实施时间：1982-07-01
本标准适用于各类模拟微波接力通信系统在通信网络中进行中频、基带以及视频、伴音的相互转接。
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[GB/T 3384-1982] 模拟载波通信系统网路接口参数[已作废]
发布时间：1982-01-02
实施时间：1983-10-01
本标准适用于各种容量及各种传输媒质包括明线、对称电缆、同轴电缆、海底电缆的载波系统以及微波接力与卫星..
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