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YD/T 744-2009 English PDF

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YD/T 744-2009: Technical requirements and test methods for digital microwave telecommunication equipments (systems) of plesiochronois digital hierarchy (PDH)
Status: Valid

YD/T 744: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 744-2009English969 Add to Cart 6 days [Need to translate] Technical requirements and test methods for digital microwave telecommunication equipments (systems) of plesiochronois digital hierarchy (PDH) Valid YD/T 744-2009
YD/T 744-1995English519 Add to Cart 4 days [Need to translate] Technical requirement and test method for mid-capacity digital microwave relay communication system at 34Mbit/s Obsolete YD/T 744-1995

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Basic data

Standard ID YD/T 744-2009 (YD/T744-2009)
Description (Translated English) Technical requirements and test methods for digital microwave telecommunication equipments (systems) of plesiochronois digital hierarchy (PDH)
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M34
Classification of International Standard 33.040.20
Word Count Estimation 37,380
Date of Issue 2009-12-11
Date of Implementation 2010-01-01
Older Standard (superseded by this standard) YD/T 744-1995; YD/T 745-1995; YD/T 830-1996; YD/T 843-1996; YD/T 792-1995
Quoted Standard CEPT/ERC/REC 12-10; GB 191; GB 3873; GB 4943; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 7611-2001; ITU-R F.1191; ITU-R F.1496; ITU-R F.1497; ITU-R F.1520; ITU-R F.746; ITU-R F.748; ITU-R F.749; ITU-T G.826; ITU-T G.961; ITU-T I.431; YD 1138; YD/T 1077-2000; YD/T 1098-2001; YD/T 1136-2001; MIIT no [ 2008 ] No. 353; Ministry None [ 2000 ] No. 705
Regulation (derived from) MIIT (2009) No. 68; industry standard filing Notice 2010 No. 3 (total 123)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the quasi-synchronous digital hierarchy (PDH) digital microwave communication equipment and systems, technical requirements and test methods, including quasi-synchronous digital hierarchy (PDH) digital microwave communication equipment and systems hypothetical reference connection, the channel and the digital segment, error performance, bands, channel arrangements, capacity range, availability indicators, and radio frequency (RF) interface characteristics and baseband interface characteristics of the technical requirements and test methods, taking into account the other businesses, protection switching, system performance, network management, power supply, environmental adaptability, security and other requirements. This standard applies to quasi-synchronous digital hierarchy (PDH) digital microwave communication equipment and systems.

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