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YD/T 1022-2018 PDF English

YD/T 1022: Evolution and historical versions

Std ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status
YD/T 1022-2018	English	RFQ	ASK	3 days [Need to translate]	(Synchronous Digital Hierarchy (SDH) device functional requirements)	Valid
YD/T 1022-1999	English	RFQ	ASK	3 days [Need to translate]	Requirement of synchronous digital hierarchy (SDH) equipment function	Obsolete

Standard ID	YD/T 1022-2018 (YD/T1022-2018)
Description (Translated English)	(Synchronous Digital Hierarchy (SDH) device functional requirements)
Sector / Industry	Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard	M38
Date of Issue	2018-12-21
Date of Implementation	2019-04-01
Older Standard (superseded by this standard)	YD/T 1022-1999
Regulation (derived from)	Ministry of Industry and Information Technology Announcement No.67 of 2018
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the layered structure of SDH equipment, the atomic function of each layer, the interface signal of atomic function, the processing process, alarm detection and performance monitoring. It also regulates the input jitter tolerance, output jitter and jitter gain of SDH equipment. . This standard is applicable to transmission equipment using SDH technology system in China's public telecommunication network. Similar equipment in the special telecommunication network can also be used for reference.