YDJ7-1984 PDF English
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| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YDJ 7-1984 | English | 2119 | Add to Cart | 10 days [Need to translate] | Specification for installation design of crossbar system urban local telephone exchange equipment |
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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 | 66,677 |
| 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. |
