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YDJ7-1984 English PDF

US$2119.00 ยท In stock
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YDJ7-1984: Specification for installation design of crossbar system urban local telephone exchange equipment
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YDJ 7-1984English2119 Add to Cart 10 days [Need to translate] Specification for installation design of crossbar system urban local telephone exchange equipment   YDJ 7-1984

PDF similar to YDJ7-1984


Standard similar to YDJ7-1984

YD/T 993   YD/T 868   GB/T 15279   YD/T 4676.1   YD/T 4203   YD/T 2379.10   

Basic data

Standard ID YDJ 7-1984 (YDJ7-1984)
Description (Translated English) Specification for installation design of crossbar system urban local telephone exchange equipment
Sector / Industry Telecommunication Industry Standard
Classification of Chinese Standard M40
Word Count Estimation 66,653
Date of Implementation 1/1/1985
Regulation (derived from) Current effective communication standard catalog Communications Development Division (2009. 1)
Summary This standard applies to new local exchange crossbar design of the equipment installed. Expansion, renovation project should fully consider the characteristics of the existing facilities, as interest in tapping the potential of the old, the rational use of existing buildings, facilities and equipment, based on the reference implementation of this standard.

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