GB/T 5442-1985
AbolishedThe test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network
电话自动交换网带内单频脉冲线路信号技术指标测试方法
Application Summary AI generated
This standard specifies the test methods for verifying the technical specifications of inband single-frequency pulse line signaling systems used in automatic telephone switching networks. It is applied in telecommunications engineering to ensure the correct transmission of supervisory and address signals over trunk lines between exchanges. The standard is used by network operators and equipment manufacturers for conformance testing and maintenance of analog signaling interfaces.
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