GB/T 7625-1987

Active

2400/1200 bits per second modem standardized for use in the general switched telephone network

在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器

Standard Type
GBT
ICS
33.040.60
CCS
M32
Status
Active
Issue Date
1987-04-03
Implementation
1987-11-01
Centralized Committee
工业和信息化部（通信）
Issuing Authority
工业和信息化部（通信）

Application Summary AI generated

This standard specifies the technical requirements and test methods for 2400/1200 bits per second modems designed for use over the general switched telephone network (PSTN). It is applied in telecommunications equipment manufacturing and network deployment to ensure interoperability and reliable data transmission between modems connected through public telephone lines. The standard is relevant for engineers developing or procuring legacy dial-up modems for voice-band data communication systems.

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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.