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Database: 189760 (25 Oct 2025)
YD/T 921-1997 English PDF
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
YD/T 921-1997
English
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User information transfer performance parameters for data networks providing international frame relay PVC service
Obsolete
YD/T 921-1997
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Basic data
Standard ID
YD/T 921-1997 (YD/T921-1997)
Description (Translated English)
User information transfer performance parameters for data networks providing international frame relay PVC service
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
M16
Word Count Estimation
30,327
Date of Issue
9/26/1997
Date of Implementation
1/1/1998
Adopted Standard
ITU-T X.144-96, IDT
Regulation (derived from)
Notice of the Ministry of Industry and Information Technology of the People's Republic of China (No. 48 of 2015)
Summary
This standard is used to describe the user information transfer performance and evaluate public frame relay data transmission services, the definition of its speed, accuracy, reliability and availability parameters.