SJ/Z 2091-1982 Information processing interchange--Arrangement and interface of usual control and function keys of 7-bit coded character set keyboard (English Version)
This guiding technical document specifies the number and arrangement of commonly used control keys on keyboards for information processing and switching equipment, the names, quantity and arrangement of commonly used function keys, and interfaces.
SJ/Z 2091-1982 history
1982SJ/Z 2091-1982 Information processing interchange--Arrangement and interface of usual control and function keys of 7-bit coded character set keyboard