IEC PAS 61156-1-4-2010 数字通信用多芯对称对绞/四芯电缆.第1-4部分:传输特性高达1000MHz的对称对绞/四芯电缆.基于IEEE 802.3的有限功率传输用捆绑数据级电缆的导体加热
Multicore and symmetrical pair/quad cables for digital communications - Part 1-4: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz - Conductor heating of bundled data gra