IEC 61156-12:2021
数字通信用多芯和对称对/四芯电缆 第12部分:传输特性高达 600 MHz 的对称单对电缆 工作区布线 分规范
Multicore and symmetrical pair/quad cables for digital communications - Part 12: Symmetrical single pair cables with transmission characteristics up to 600 MHz - Work area wiring - Sectional specification