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CAN/CSA-ISO/IEC 14543-3-6-07 (R2017)
Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).
This part of ISO/IEC 14543 defines the mandatory and optional requirements for the medium specific physical and data link layer for twisted pair for network based control of HES Class 1 in its two variations called TP0 and TP1. NOTE Data link layer interface and general definitions, which are media independent, are specified in ISO/IEC 14543-3-2.