PDF Standards IEC 63171-4 Ed. 1.0 en:2022
Connectors for electrical and electronic equipment – Part 4: Detail specification for shielded or unshielded, free and fixed connectors with up to 8 ways for balanced single-pair data transmission with current carrying capacity – Mechanical mating information, pin assignment and additional requirements for Type 4
standard by International Electrotechnical Commission, 08/01/2022