YD/T 838.4-2016 English PDFUS$399.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. YD/T 838.4-2016: Multicore and symmetrical pair/quad cables for digital communications. Part 4: Riser cables Status: Valid YD/T 838.4: Historical versions
Basic dataStandard ID: YD/T 838.4-2016 (YD/T838.4-2016)Description (Translated English): Multicore and symmetrical pair/quad cables for digital communications. Part 4: Riser cables Sector / Industry: Telecommunication Industry Standard (Recommended) Classification of Chinese Standard: M42 Classification of International Standard: 33.120.20 Word Count Estimation: 17,156 Date of Issue: 2016-01-15 Date of Implementation: 2016-04-01 Older Standard (superseded by this standard): YD/T 838.4-2003 Quoted Standard: GB/T 3953-2009; GB/T 4910-2009; GB/T 6995.2-2008; GB/T 17737.1-2013; GB/T 26572-2011; YD/T 838.1-2016; JB/T 3135-2011 Adopted Standard: IEC 61156-4-2009, NEQ Regulation (derived from): ?Ministry of Industry and Information Technology Bulletin 2016 No.3 Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the basic structure, main performance, inspection rules, test methods, and packaging requirements of trunk twisted pair cables for twisted pair/symmetrical twisted-pair cables for digital communications. This standard is applicable to trunk twisted pair cables (hereinafter referred to as ��cables��) of the trunk wiring between buildings' vertical channels or floors as defined in YD/T 926 ��Building Communication Integrated Wiring System��. |
