China National Standards
China YD Standards Search System ¡¡

  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1285-2003 The test method for quality of communication for inter-public telecom network. Call complete ratio and post-dialing delay for telephone call

    China Telecommunication - YD Standards
    YD/T 1284-2003 The technical requirement for quality of communia-cation for inter. public telecom network-call completion rate post dialing delay for telephone call

    China Telecommunication - YD Standards
    YD/T 1157.2-2003 The requirements for sending calling party number between network Supplementary ¢ò

    China Telecommunication - YD Standards
    YD/T 1283-2003 900/1800MHz TDMA digital cellular mobile communication network equipment test requirements for Unstructured Supplement Service Data (USSD)

    China Telecommunication - YD Standards
    YD/T 1282-2003 900/1800MHz TDMA digital cellular communication network equipment requirements for Unstructured Supplement

    China Telecommunication - YD Standards
    YD/T 1281-2003 Local telecommunications cable for broadband applications, polyolefin insulated copper conductors, laminated aluminium polyethylene sheath

    China Telecommunication - YD Standards
    YD/T 1280-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CMIP

    China Telecommunication - YD Standards
    YD/T 1279-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CORBA

    China Telecommunication - YD Standards
    YD/T 1278-2003 The technical demand and testing method for the charging performance of SPC. Telephone network part

    China Telecommunication - YD Standards
    YD 1268-2003 The safety specification and test method for lithium batteries and charger

    China Telecommunication - YD Standards
    YD/T 1277.1-2003 Technical specification and testing method of caller identity delivery based on PSTN. Part 1: Technical specification

    China Telecommunication - YD Standards
    YD/T 1276-2003 Testing methods of SDH multi-service transport platform

    China Telecommunication - YD Standards
    YD/T 1275-2003 Technical specification and testing method for N¡Á64kbit/s baseband modem

    China Telecommunication - YD Standards
    YD/T 1274-2003 Technical specification for optical Wavelength Divison Multiplexing (WDM) system. 160¡Á10Gb/s, 80¡Á10Gb/s part

    China Telecommunication - YD Standards
    YD/T 1273-2003 Technical specification for terminal equipment of optical Wavelength Division Multiplexing (WDM). 16¡Á10Gb/s and 32¡Á10Gb/s parts

    China Telecommunication - YD Standards
    YD/T 1272.1-2003 Optical filber connector. Part 1: Type LC

    China Telecommunication - YD Standards
    YD/T 1271-2003 Ring generator for telecommunication equipment

    China Telecommunication - YD Standards
    YD/T 1270-2003 Contactless compensatory A¡¤C voltage stabilizer

    China Telecommunication - YD Standards
    YD/T 1267-2003 Technical specification for synchronization network based on SDH transport network

    China Telecommunication - YD Standards
    YD/T 1266-2003 Test methods of protection schemes for SDH rings

    China Telecommunication - YD Standards
    YD/T 1264-2003 General technical requirement of IP telephony and Ip fax services:Phase two

    China Telecommunication - YD Standards
    YD/T 1263-2003 Technical Requirements for Interworking of network Based on IP with traditional telecommunication network

    China Telecommunication - YD Standards
    YD/T 1262-2003 The Technical specification of PARLAY API for Open Service Access

    China Telecommunication - YD Standards
    YD/T 1261-2003 The technical specification of CAMEL3:CAMEL Application Part (CAP) for 900/1800MHz TDMA digital cellular mobile telecommunication network

    China Telecommunication - YD Standards
    YD/T 1260-2003 Technical and Testing Specification of Virtual LAN Based on Port(VLAN)

    China Telecommunication - YD Standards
    YD/T 1259-2003 Technical specification for optical safe procedure for Wavelength Division Multiplexing(WDM) system

    China Telecommunication - YD Standards
    YD/T 1257-2003 Test specification of supplementary specification of IN CS-1 INAP

    China Telecommunication - YD Standards
    YD/T 1256-2003 Supplementary Specification of IN CS-1 INAP

    China Telecommunication - YD Standards
    HJ/T 88-2003 Code for environmental impact of water conservancy and hydropower project

    China Environmental Protection Industry - YD Standards
    SH/T 0724-2002 Test method for refractive index and refractive dispersion of hydrocarbon liquids

    China Petrochemical Industry - YD Standards

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