China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1547-2009 Technical Requirements for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment(Phase 3)

    China Telecommunication - YD Standards
    YD/T 1522.4-2009 Technical Requirements for Session Initiation Protocol. Part 4: SIP¡¯s Applications about call control Based on Softswitching Network

    China Telecommunication - YD Standards
    YD/T 1522.31-2009 Technical Requirements For Session Initiation Protocol. Part 3: Interworking between ISUP and SIP-Supplement 1

    China Telecommunication - YD Standards
    YD/T 1402-2009 The General Technique Requirements of IP Networks Interconnection

    China Telecommunication - YD Standards
    YD/T 1395-2009 Test Method of GSM/CDMA 1X Dual Mode Digital Mobile Station

    China Telecommunication - YD Standards
    YD/T 1394-2009 Technical Requirement of GSM/CDMA 1X Dual Mode Digital Mobile Station

    China Telecommunication - YD Standards
    YD/T 1375-2009 2GHz TD-SCDMA/WCDMA Digtal Cellular Mobile Telecommunication Network lu Interface Test Method (Phase3)

    China Telecommunication - YD Standards
    YD/T 1272.5-2009 Optical Fiber Optic Connector. Part5:type MPO

    China Telecommunication - YD Standards
    YD/T 1156-2009 Router test specification. Core router

    China Telecommunication - YD Standards
    YD/T 1098-2009 Router test specification. Edge router

    China Telecommunication - YD Standards
    YD/T 1097-2009 Equipment technical specification. Core router

    China Telecommunication - YD Standards
    YD/T 1096-2009 Equipment Technical Specification. Edge router

    China Telecommunication - YD Standards
    YD/T 1971-2009 Technical Requirement for UAProf in Mobile Communication Network

    China Telecommunication - YD Standards
    YD/T 1970.6-2009 Maintenance requirements of power supply for telecommunication stations/sites. Part 6: Generator sets system

    China Telecommunication - YD Standards
    YD/T 1970.4-2009 Maintenance Requirements of Power Supply for Telecommunication Stations/Sites. Part 4: Uninterruptible Power Systems

    China Telecommunication - YD Standards
    YD/T 1970.1-2009 Maintenance Requirements of Power Supply for Telecommunication Stations/Sites. Part 1: General Rules

    China Telecommunication - YD Standards
    YD/T 1970.10-2009 Maintenance Requirements of Power Supply for Telecommunication Stations/Sites. Part 10: Valve Regulated Lead Acid Battery

    China Telecommunication - YD Standards
    YD/T 1969-2009 Intelligent Energy Saving System by Fresh Ari for Telecommunication Stations/Sites

    China Telecommunication - YD Standards
    YD/T 1968-2009 Intelligent Heat Exchanger for Telecommunication Stations/Sites

    China Telecommunication - YD Standards
    YD/T 1967-2009 50¦¸ Radio Frequency Coaxial connectors for Mobile communication

    China Telecommunication - YD Standards
    YD/T 1966-2009 50¦¸ Radio-Frequency Coaxial Jumpers for Mobile Communication

    China Telecommunication - YD Standards
    YD/T 1965-2009 Requirements and Measurement Methods of Electormagnetic Compatibility for Broadband Customer Network Equipment and Auxiliary Equipment based on Telecommunication Network

    China Telecommunication - YD Standards
    YD/T 1964-2009 QoS Technical Requirements for Broadband Customer Network Based on Telecommunication Network

    China Telecommunication - YD Standards
    YD/T 1963-2009 Distance Learning Communications Platform Communication Protocols

    China Telecommunication - YD Standards
    YD/T 1962-2009 Software Technical Requirements for 10 Gbit/s and 40 Gbit/s Transponder with Multiplex/Demultiplex

    China Telecommunication - YD Standards
    YD/T 979-2009 Specifications and Test Methods for Optical Fiber Ribbon

    China Telecommunication - YD Standards
    YD/T 1551-2009 2GHz WCDMA Digital Cellular Mobile Telecommunication Network Iub Interface Test Method(Phase 3)

    China Telecommunication - YD Standards
    JTS 182-1-2009 Design code for hydrojunction general layout of canalization works

    China Highway & Transportation - YD Standards
    HJ 464-2009 Technical guidelines for environmental protection in water conservancy and hydropower for check and accept of completed construction project

    China Environmental Protection Industry - YD Standards
    YD/T 5181-2009 Provisional Acceptance Specification for Broadband IP Metro Area Network Engineering

    China Telecommunication - YD Standards

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