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Database: 365,228(8 Aug 2026)

YD/T990-1998

YD/T990-1998, Total:70 items.

The international standard classification for "YD/T990-1998" includes: Documents in administration, commerce and industry , Data communication networks , Multimedia systems and teleconferencing equipment , Components and accessories for telecommunications equipment , Fibre optic communications , Transmission systems .

The Chinese standard classification for "YD/T990-1998" includes: Optical communication equipment , Telecommunication technical requirements and interface , Satellite communication equipment , Technical management , Postal packaging , Data communication equipment , Postal service in general , Communication network transmission system interface , Communication network architecture , Basic standards and general methods , Digital communication equipment , Communication network in general , Telephone communication equipment , Postal machinery , Communication line and equipment , Microwave communication equipment , Communication network number, signal and connection , Mobile communication equipment .


Professional Standard - Post and Telecommunication

  • YD/T 958-1998 Digital subscriber signalling system No.1(DSS1)-signalling specification for frame mode basic call control
  • YD/T 926.3-1998 Telecommunication generic cabling aystem for building Part3:Connecting hardware requirements for generic cabling
  • YD/T 977-1998 Network capabilities to support broadband multimedia retrieval services
  • YD/T 984-1998 Methods for ealculating attanuations by atmospheric gases and rain in the satellite communication link
  • YD/T 956-1998 Congratulatory card envelope
  • YD/T 973-1998 SDH 155Mb/s and 622Mb/s Technical conditions of optical transimitter module and receiver module
  • YD/T 971-1998 Network specific data protocol stacks for multimedia conferencing
  • YD/T 954-1998 Technical Requirements and Test Method of Digital Stored Program C
  • YD/T 963-1998 Measurement methods of noise for parcel equipment flat equipment and bag equipment
  • YD/T 953-1998 General technical specifications of 2xSTM -1 SDH microwave telecommunication system for 4~11 GHz
  • YD/T 910.21-1998 900/1800MHz TDMA digital cellular mobile telecommunication netwrok radio interface signaling part (Phase2)
  • YD/T 943-1998 The Technical requirements and test methods of R.F. coaxial connectors with inner diameter of outer conductor 5.6mm 3.8mm 2.8mm
  • YD/T 910.22-1998 900/1800MHz TDMA digital cellular mobile telecommunication network radio interface
  • YD/T 897.2-1998 Coaxial cable for access network Part 2: Generic requirements for coaxial distribution cable
  • YD/T 962.1-1998 EMS operational forms Dispatch list for domestic EMS
  • YD/T 980-1998 All dielectric self-supporting optical fibre cable
  • YD/T 983-1998 Limits and methods of measurement of electromagnetic compatibility for telecommunication power supply equipment
  • YD/T 514-1998 Tchnical requirements and test methods for interface between non-vioce subscriber terminal and public telephone network
  • YD/T 995-1998 Data protocols for multimedia conferencing
  • YD/T 966-1998 Technical specification of SDH performance analyser
  • YD/T 720-1998 Test procedures for telephone sets
  • YD/T 957-1998 Specifications of postal bar-code producers
  • YD/T 508.2-1998 Technical Conditions for Grid-Type Parabolic Communication Antenna
  • YD/T 986-1998 Technical Conditions of 155Mb/S and 622Mb/S Optical Transceiver Stations - Models
  • YD/T 985-1998 Regulations for Establishment of Communications Between Audiovisual Terminals With 3 Or More Digital Channels At Below 1930kbit/S
  • YD/T 952-1998 Technical requirements and measurement methods for 900MHz RF repeater
  • YD/T 960-1998 Functional Architecture of Telecommunication Management Network (TMN)
  • YD/T 951-1998 Characteristics and protocols for terminals for telematic services in ISDN
  • YD/T 962.2-1998 EMS operational forms Delivery bill for domestic EMS
  • YD/T 970-1998 Generic conference control
  • YD/T 962.3-1998 EMS operational forms Express mall service manifest
  • YD/T 975-1998 Requirements on measuring equipment to assess error performance on STM-N interface
  • YD/T 981.2-1998 Optical fiber ribbon cables for access to network Part 2: central tube type
  • YD/T 594-1998 Specifications for secondary parcel sorting machines
  • YD/T 964-1998 Requirements & test method of 1310nm/1550nm wavelength division multipexer
  • YD/T 962.4-1998 EMS operational forms Delivery bill airmails
  • YD/T 981.1-1998 Optical fibre ribbon cables for access network
  • YD/T 965-1998 The safety requirement and test method for telecommunication terminal equipment
  • YD/T 974-1998 Specifications and Measurement Methods for SDH Digital Cross Connect Equipment(SDXC)
  • YD/T 961-1998 General specifications for domestic mail documents
  • YD/T 947-1998 Upper layer protocol profiles for the Q3 and X interface
  • YD/T 948-1998 Generic application temple for multimedia conferencing service
  • YD/T 946-1998 TMN interface specification methodology
  • YD/T 991-1998 Limits and methods of measurement of electromagnetic compatibility for digital transmission analyzers
  • YD/T 968-1998 Limits and methods of measurement of electromagnetic compatibility for telecommunication terminal equipment
  • YD/T 5067-1998 Acceptance Specification of Equipment Installation Engineering for digital mobile communication (TDMA)
  • YD/T 945-1998 Modem operating at data signalling rates of up to 33600bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
  • YD/T 959-1998 Management Functions of Telecommunication Management Network (TMN)
  • YD/T 955-1998 Letter-card
  • YD/T 989-1998 The Technical Requirement of Flexible Multiplexer
  • YD/T 978-1998 Technical requirment and test method for digital queue equipment of PSTN
  • YD/T 988-1998 Cross Cormecting Cabinet for Communication Optical Cable
  • YD/T 944-1998 Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications
  • YD/T 982-1998 Emergency optical fibre cable
  • YD/T 993-1998 Technical requirments and test methods of lightning resistibility for telecommunication terminal equipment
  • YD/T 638.3-1998 The naming rule of types of telecommunication power supply
  • YD/T 994-1998 Test Sample Paper for Image Processor
  • YD/T 949-1998 Multipoint binary file transfer protocol
  • YD/T 969-1998 Network-to-network interface between public data networks providing the frame relay data trausmission service
  • YD/T 967-1998 Vocabulary of terms for synchronous digital hierarchy networks and equipments
  • YD/T 990-1998 Technical condition for specific optical transmission equipment between exchanger and remote module
  • YD/T 992-1998 Technical requirments and test methods of telephone additional fonctions
  • YD/T 976-1998 B-ISDN user-network interface physical layer specification
  • YD/T 979-1998 Specifications and test methods for optical fiber ribbon
  • YD/T 987-1998 Requirements specification of single -mode optical fiber and cable connector:Type ST/PC
  • YD/T 950-1998 Tchnical rquirements and test methods for protection agaist ovoltages and .overcurrents on telecommunication switching equipment
  • YD/T 996-1998 Management Arrangement for TechnologicalDocuments in Posts and Telecommunication’Industry
  • YD/T 981.3-1998 Optical fiber ribbon cables for access to network Part 3: Stranded Loose Tube type
  • YD/T 620-1998 Technical conditions of 2048kbit/s, 8448kbit/s, 34368kbit/s and 139264kbit/s transmission analyzers

SCC