请输入您要查询的字词:

 

单词 ISO/IEC 11801
释义

ISO/IEC 11801

An international standard from the International Organization for Standardization

(ISO) and the International Electrotechnical Commission (IEC), specifying general-purpose telecommunications structured cabling systems. The standards include both copper wire and optical fiber inside cabling systems.The standard specifies classes of twisted pair copper performance, as follows: Class A: 100 kHz

Class B: 1 MHz

Class C: 16 MHz

74570c09.qxd 9/11/07 12:22 PM Page 263

随便看

 

科学参考收录了5291条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/11/15 1:33:07