YDJ20-1988 English PDF

US$1799.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
YDJ20-1988: Temporary Technical Regulation for Installation Design of Computerized Telephone Exchange Equipment

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YDJ 20-1988	1799	Add to Cart	8 days	Temporary Technical Regulation for Installation Design of Computerized Telephone Exchange Equipment

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YD/T 993   YD/T 868   GB/T 15279   YD/T 907   YD/T 719   

Basic data

Standard ID: YDJ 20-1988 (YDJ20-1988)
Description (Translated English): Temporary Technical Regulation for Installation Design of Computerized Telephone Exchange Equipment
Sector / Industry: Telecommunication Industry Standard
Classification of Chinese Standard: M40
Word Count Estimation: 56,573
Date of Issue: 8/23/1988
Date of Implementation: 3/1/1989
Regulation (derived from): Current effective communication standard catalog Communications Development Division (2009. 1)
Summary: This standard applies to new local and long-distance telephone telephone switching equipment installation design, expansion, renovation project fully consider the characteristics of the original equipment, rational use of existing facilities on the basis of reference to the implementation of this standard.

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