标准摘要
IEC 61156-7:2003+A1:2012 provides the cable characteristics required by system developers to evaluate new systems as well as to enhance present systems. This consolidated version consists of the first edition (2003) and its amendment 1 (2012). Therefore, no need to order amendment in addition to this publication.
英文名称Multicore and symmetrical pair/quad cables for digital communications - Part 7: Symmetrical pair cables with transmissioncharacteristics up to 1 200 MHz - Sectional specification fordigital and analog communication cables