GB/T 9412-1988
AbolishedModems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits
用于60～108 kHz基群电路的48 kbit/s数据传输的调制解调器
Application Summary AI generated
This standard specifies the technical requirements and test methods for modems designed to transmit data at 48 kbit/s over 60–108 kHz group band circuits. It is applied in telecommunications infrastructure, specifically for multiplexed carrier systems used in long-distance or backbone data transmission networks. The standard ensures interoperability and performance consistency for modems operating within this frequency range.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.