China National Standards

China YD Industry Standards Eglish List


  •  China "YD" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    JJG(YD)030-1994 (Multipath fading simulator test procedures)
    China Metrological Standards
    English PDF
    JJG(YD)029-1994 (Microwave test receivers verification procedures)
    China Metrological Standards
    English PDF
    JJG(YD)028-1994 Specification for verification of balanced variable attenuators
    China Metrological Standards
    English PDF
    JJG(YD)027-1994 Specification for verification of wide frequency level meters
    China Metrological Standards
    English PDF
    JJG(YD)026-1994 Specification for verification of electronic scales intended to be used in post office
    China Metrological Standards
    English PDF
    JJG(YD)025-1994 Specification for verification of data line testers
    China Metrological Standards
    English PDF
    JJG(YD)024-1994 Specification for verification of process testers
    China Metrological Standards
    English PDF
    JJG(YD)022-1994 Specification for verification of microwave relay tester
    China Metrological Standards
    English PDF
    JJG(YD)021-1994 Specification for verification of testers of telephone dial
    China Metrological Standards
    English PDF
    JJG(YD)019-1994 Specification for verification of telephone channel tester
    China Metrological Standards
    English PDF
    YD/T 707-1993 Terms used for remote message processing and business
    远程信息处理终端和业务的术语
    China Telecommunication Standards
    English PDF
    YD/T 638.8-1993 Type designation for facsimile communication equipments and automated office equipment
    传真通信设备及办公自动化设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.6-1993 Type designation for telegraph communication equipment
    电报通信设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.2-1993 Type designation system for optical communication equipment
    光通信设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.14-1993 Type designation system for telephone sets
    电话机型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.13-1993 Type designation for accessory equipments of telephone exchange
    电话交换附属设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.1-1993 Type designation for products of posts and telecommunications industry General rules
    邮电工业产品型号命名方法总则
    China Telecommunication Standards
    English PDF
    YD/T 638.11-1993 Type designation for digital communication equipment
    数字通信设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 638.10-1993 Type designation for radio, microwave and satellite communication equipments
    无线、微波及卫星通信设备型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 635-1993 Inspection and test methods of telegraph terminal equipment
    电报终端设备检验测试方法
    China Telecommunication Standards
    English PDF
    YD/T 633-1993 IF modem equipment operating at 34Mbit/s
    34mbit/s中频调制解调机
    China Telecommunication Standards
    English PDF
    YD/T 638.5-1993 Type designation system for telephone switchboards
    电话交换机型号命名方法
    China Telecommunication Standards
    English PDF
    YD/T 629.2-1993 Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method
    光纤传输衰减变化的监测方法 后向散射监测法
    China Telecommunication Standards
    English PDF
    YD/T 629.1-1993 Monitoring method of attenuation changes in optical fiber transmission Transmission power monitoring method
    光纤传输衰减变化的监测方法 传输功率监测法
    China Telecommunication Standards
    English PDF
    YD/T 613-1993 Technical requirement for networking of domestic satellite communication TDM/QPSK/FDMA (2Mbit/s) systems
    国内卫星通信tdm/qpsk/fdma(2mbit/s)系统进网技术要求
    China Telecommunication Standards
    English PDF
    YD/T 611-1993 Communication cable distribution box
    通信电缆交接箱
    China Telecommunication Standards
    English PDF
    JJG(YD)020-1993 Specification for verification of noise factor testers
    China Metrological Standards
    English PDF
    JJG(YD)018-1993 Specification for verification of medium frequency group time delay/ amplitude-frequency response transmission network
    China Metrological Standards
    English PDF
    YD 2004-1992 Specification for installation engineering design of digital multiplex equipment of long distance communication trunk
    长途通信干线数字复用设备安装工程设计规范
    China Telecommunication Standards
    English PDF
    YD 2002-1992 Engineering design specifications for long distance communication trunk cables and lines
    长途通信干线电缆线路工程设计规范
    China Telecommunication Standards
    English PDF
    YD/T 587-1992 Test method for technical parameters for networking of telegraph terminal equipment
    电报终端设备进网技术参数测试方法
    China Telecommunication Standards
    English PDF
    YD 586-1992 Requirement for networking of Chinese-character terminal equipments for public telegraphy
    公用电报汉字终端设备进网要求
    China Telecommunication Standards
    English PDF
    YD/T 539-1992 Fundamental parameters of synchronous data multiplexing scheme without envelope structure
    不使用包封的同步数据复用方案基本参数
    China Telecommunication Standards
    English PDF
    YD 2001-1992 Technical specifications for engineering construction and acceptance of all-plastic cable and lines for urban local communication
    市内通信全塑电缆线路工程施工及验收技术规范
    China Telecommunication Standards
    English PDF
    YD/T 534-1992 PVC insulated, PVC sheathed, LF communication cables and wires Solid- or stranded-conductor, PVC insulated equipment wires
    聚氯乙烯绝缘聚氯乙烯护套低频通信电缆电线实心或绞合导体聚氯乙烯绝缘设备用电线
    China Telecommunication Standards
    English PDF
    YD/T 521-1992 Test method of digital exchange analog interfaces and test method of transmission characteristics between (2-wire or 4-wire) analog interfaces
    数字交换机模拟接口测试方法及模拟接口(二线或四线)间传输特性的测试方法
    China Telecommunication Standards
    English PDF
    YD/T 512-1992 Technical conditions for telegraph power supply unit
    电报电源设备技术条件
    China Telecommunication Standards
    English PDF
    JJG(YD)017-1992 Specification for verification of medium frequency testers
    China Metrological Standards
    English PDF
    JJG(YD)016-1992 Specification for verification of scalar quantity network analyzers
    China Metrological Standards
    English PDF
    JJG(YD)015-1992 Specification for verification of modem testers
    China Metrological Standards
    English PDF
    JJG(YD)014-1992 Specification for verification of telegraph signal testing instruments
    China Metrological Standards
    English PDF
    JJG(YD)013-1992 Specification for verification of level oscillators
    China Metrological Standards
    English PDF
    JJG(YD)012-1992 Specification for verification of frequency selecting level meters
    China Metrological Standards
    English PDF
    JJG(YD)011-1992 Specification for verification of GX2B model power sensor
    China Metrological Standards
    English PDF
    YD/T 595-1992 Technical requirement of D2-MAC/Packet color TV signals transmitted though domestic satellite communication network
    China Telecommunication Standards
    English PDF
    YD 576-1992 Semiconductor rectifier equipments For telecommunications
    China Telecommunication Standards
    English PDF
    YDJ 9-1990 Specification for engineering design of urban local communication full-plastic cables lines
    市内通信全塑电缆线路工程设计规范
    China Telecommunication Standards
    English PDF
    YD 344-1990 Requirements for PABXs access to public telephone switching network
    自动用户交换机进网要求
    China Telecommunication Standards
    English PDF
    YD 343-1990 Networking requirement for point-tc-multipoint radio telecommunication systems
    点对多点微波通信系统进网要求
    China Telecommunication Standards
    English PDF
    JJG(YD)010-1990 Specification for verification of data error analyzers
    China Metrological Standards
    English PDF
    JJG(YD)009-1990 Specification for verification of pulse-echo test
    China Metrological Standards
    English PDF
    JJG(YD)008-1990 Specification for verification of wave guide reflectometers
    China Metrological Standards
    English PDF
    JJG(YD)007-1990 Specification for verification of microwave system analyzers
    China Metrological Standards
    English PDF
    JJG(YD)006-1990 Specification for verification of white noise testing equipment
    China Metrological Standards
    English PDF
    JJG(YD)005-1990 Specification for verification of XH3321A millihertz counters
    China Metrological Standards
    English PDF
    YD/T 577-1992 Jack and Plug For Indoor Telephone
    室内电话机插头座
    China Telecommunication Standards
    English PDF
    JJG(YD)004-1989 Specification for verification of wave guided noise generators
    China Metrological Standards
    English PDF
    JJG(YD)003-1989 Specification for verification of ME62A model microwave testing devices
    China Metrological Standards
    English PDF
    JJG(YD)002-1989 Specification for verification of wave guided standard mismatch load
    China Metrological Standards
    English PDF
    JJG(YD)001-1989 Specification for standard verification of 1109 coaxial power transmission
    China Metrological Standards
    English PDF
    YD/T 559-1992 Sealing tests for pressurized waveguide components and assemblies
    充气波导部件和装置的密封试验
    China Telecommunication Standards
    English PDF
    YD/T 334-1987 Urban local telecommunication cable connectors
    China Telecommunication Standards
    English PDF
    YD 322-1984 (Chinese Industry Standard)
    China Telecommunication Standards
    English PDF
    YD 305-1983 (Carrier unmanned repeater reliability test method (Interim))
    China Telecommunication Standards
    English PDF
    YD 300-1983 (Precision polystyrene and mica capacitors nonlinear index and test methods)
    China Telecommunication Standards
    English PDF
    YD/T 548-1992 The specification and test methods for conference telephone SET
    会议电话分机技术要求及测试方法
    China Telecommunication Standards
    English PDF
    YD/T 547-1992 The specification and test methods for conference telephone tandem board
    会议电话汇接机技术要求及测试方法
    China Telecommunication Standards
    English PDF
    YD/T 294-1982 Main technical requirement for 620KHz level oscillators
    China Telecommunication Standards
    English PDF
    YD/T 282-1982 (General Post and Telecommunications Equipment Reliability Test Methods)
    China Telecommunication Standards
    English PDF
    YD 249-1981 (Chinese Industry Standard)
    China Telecommunication Standards
    English PDF

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