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YD/T 944-2007 English PDF

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YD/T 944-2007: Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications

YD/T 944: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 944-2007English419 Add to Cart 3 days [Need to translate] Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications   YD/T 944-2007
YD/T 944-1998English279 Add to Cart 3 days [Need to translate] (Mine technical requirements and test methods of communication power supply) Obsolete YD/T 944-1998

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Basic data

Standard ID YD/T 944-2007 (YD/T944-2007)
Description (Translated English) Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M41
Classification of International Standard 91.120.40
Word Count Estimation 12,121
Date of Issue 2007-07-20
Date of Implementation 2007-12-01
Older Standard (superseded by this standard) YD/T 944-1998
Regulation (derived from) MIIT Science [2007] No. 343
Issuing agency(ies) Ministry of Information Industry of the People's Republic of China
Summary This standard specifies the communication power equipment, lightning definition, classification, technical requirements, test methods and inspection rules. This standard applies to Communications Authority (station) with AC power distribution equipment, oil machine control system, communication with AC uninterruptible power supplies, communications equipment and communications half rectifier rectifier with high-frequency switching devices. Integrated in the system communication power devices can be implemented by reference.

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