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www.ChineseStandard.net Database: 189760 (25 Oct 2025)

YDN021-1996 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YDN 021-1996EnglishRFQ ASK 3 days [Need to translate] (Interface Specification V5. 2 local digital switches and access network (internal standard)) Obsolete YDN 021-1996

Standard similar to YDN021-1996

YD/T 4045   YD/T 4046   YD/T 4044   

Basic data

Standard ID YDN 021-1996 (YDN021-1996)
Description (Translated English) (Interface Specification V5. 2 local digital switches and access network (internal standard))
Sector / Industry Telecommunication Industry Standard
Word Count Estimation 197,159
Date of Issue 12/6/1996
Date of Implementation 3/1/1997
Regulation (derived from) Ministry of Industry and Information Technology Notice 2013 No. 37