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GB 12048-1989 English PDF

US$359.00 ยท In stock
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GB 12048-1989: Requirements for clock and synchronization equipment used in the digital network
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 12048-1989English359 Add to Cart 3 days [Need to translate] Requirements for clock and synchronization equipment used in the digital network Obsolete GB 12048-1989

PDF similar to GB 12048-1989


Standard similar to GB 12048-1989

GB/T 41301   YZ/T 0173   YD/T 1730   GB/T 42021   

Basic data

Standard ID GB 12048-1989 (GB12048-1989)
Description (Translated English) Requirements for clock and synchronization equipment used in the digital network
Sector / Industry National Standard
Classification of Chinese Standard M13
Classification of International Standard 33.040.40
Word Count Estimation 9,953
Date of Issue 12/29/1989
Date of Implementation 7/1/1990
Quoted Standard GB 7611
Adopted Standard CCITT G812, NEQ
Issuing agency(ies) State Bureau of Technical Supervision
Summary This standard specifies the synchronization method used in our digital synchronous network, the digital synchronization network classification, clock performance levels, interface and maintainability performance. This standard applies to the development, production and equipment to introduce the public digital synchronization network planning, design and the digital synchronization network clock and synchronization equipment.

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