This PAS is a technical supplement to IEC 61156-1, edition 3 (2007): Multicore and symmetrical pair/quad cables for digital communications – Part 1: Generic specification. This PAS, covering exclusively four-pair data grade cables, is intended to provide a test method for the determination of the maximum attained conductor temperatures which occur due to the deployment of the IEEE protocol for PoE /PoEP. It gives as well the required background information about the thermodynamic behaviour of such bundled cables, if they are located in areas with restricted heat dissipation, a reality which occurs in every installation situation. However, only the basic principles are given, as the rigorous application and solution of these problems fall into the relevant cabling standards.
IEC/PAS 61156-1-4-2010由国际电工委员会 IX-IEC 发布于 2010-06。
IEC/PAS 61156-1-4-2010 在中国标准分类中归属于: K13 电缆及其附件,在国际标准分类中归属于: 33.120.20 导线和对称电缆。
IEC/PAS 61156-1-4-2010 数字通信用对绞或星绞对称电缆.第4-1部分:传输特性1000 MHz以下的数字通信用对绞或星绞对称电缆.基于IEEE 802.3的极限输电用导体加热的成束基准标高电缆 于 2018-10-00 变更为 IEC 61156-1-4-2018 。
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