IEC 62012-1:2002 Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments Part 1: Generic specification (Edition 1.0)
This part of GB/T 21204 specifies the definitions and test methods for twisted pair or star twisted multi-core symmetrical cables when used in harsh environments. Such cables are used in digital communication systems such as Integrated Services Digital Network (1SDN), local area networks and Data communication systems. This section provides guidelines for the design and testing of such cables.
IEC 62012-1:2002 history
2004IEC 62012-1:2004 Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments - Part 1: Generic specification
2002IEC 62012-1:2002 Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments Part 1: Generic specification (Edition 1.0)