Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments - Part 1: Generic specification
用于恶劣环境的数字通信的多芯和对称对/四线电缆 - 第1部分:通用规范
specifies the definitions and test methods, when used in harsh environment, of symmetrical pair and quad cables used in digital communication systems such as ISDN, local area networks and data communication systems. gives guidance concerning the design and testing of these cables.