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

准同步数字系列(PDH)数字微波通信设备和系统技术要求及测试方法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 11, 2009

Implementation date

January 1, 2010

Scope

YD/T 744-2009 is the English-translated version of 准同步数字系列(PDH)数字微波通信设备和系统技术要求及测试方法.

YD/T 744-2009 — 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.

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Document preview — YD/T 744-2009

National Standard of the People's Republic of China

ICS: 33.040.20
Classification: M 34
Replacing: YD/T 744-1995; YD/T 745-1995; YD/T 830-1996; YD/T 843-1996; YD/T 792-1995

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

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.

Document data

International classification (ICS): 33.040.20.

Chinese classification (CCS): M34.

Estimated length of the Chinese original: 37,319 words.

Supersedes the earlier edition YD/T 744-1995; YD/T 745-1995; YD/T 830-1996; YD/T 843-1996; YD/T 792-1995.

Standards quoted by this document

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

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

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