GB/T 9950-1988
AbolishedData communication--37 Pin and 9 pin DTE/DCE interface connectors and pin assignments
数据通信 37插针及9插针DTE/DCE接口连接器和插针分配
Application Summary AI generated
This standard specifies the pin assignments and mechanical characteristics for 37-pin and 9-pin D-subminiature connectors used in data communication equipment. It is applied to interfaces between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE), such as modems, terminals, and computers, ensuring consistent wiring for serial data transmission. The standard is primarily used in industrial and telecommunications contexts where reliable physical layer connections are required for RS-449 or similar serial communication protocols.
Related Standards
GB/T 19244-2003
Information technology--High performance serial bus
GB/T 18471-2001
VXIbus system specifications
GB/T 6107-2000
Interface between data terminal equipment and data circuit terminating equipment employing serial binary data interchange
GB/T 16654-1996
Technical requirements for ISDN(2B+D)NT1 user-network interface equipment
GB/T 15533-1995
Information processing systems--Smallcomputer system interface(SCSI)
GB/T 15189-1994
Specification of DOS Chinese information processing system interface
GB/T 15125-1994
Informationtechnology--Data communication--25-Pole DTE/DCE interface connector and contact number assignments
GB/T 14241-1993
Information processing--Processor system bus interface (Eurobus A)
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.