YD/T 547-1992 English PDF

US$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YD/T 547-1992: The specification and test methods for conference telephone tandem board
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YD/T 547-1992	399	Add to Cart	3 days	The specification and test methods for conference telephone tandem board	Obsolete

Similar standards

YD/T 4045   YD/T 4046   YD/T 4044   

Basic data

Standard ID: YD/T 547-1992 (YD/T547-1992)
Description (Translated English): The specification and test methods for conference telephone tandem board
Sector / Industry: Telecommunication Industry Standard (Recommended)
Word Count Estimation: 10,139
Date of Issue: 6/14/1992
Older Standard (superseded by this standard): GB 3267-1982
Regulation (derived from): Ministry of Industry and Information Technology Notice 2014 No. 33
Summary: This standard applies to the artificial separation control of the conference call tandem machine, such tandem machine for four tandem conference telephone network. In rural areas may be temporarily performed in tandem with this standard machine. The standard for equipment manufacturers to develop the acceptance and use of the unit as the basis for rules and maintenance practices.

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