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  •  China "YD" Standards List:
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    YD/T 3852-2021 Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Interface between Trunking Base Station and Trunking Core Network

    China Telecommunication Industry - YD Standards

    YD/T 3851-2021 Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Terminal to Trunking Core Network Interface

    China Telecommunication Industry - YD Standards

    YD/T 3850-2021 Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Air Interface

    China Telecommunication Industry - YD Standards

    YD/T 2629.1-2021 Evolved Mobile Packet Core (EPC) Equipment Test Method Part 1: Support for E-UTRAN Access

    China Telecommunication Industry - YD Standards

    YD/T 2628.1-2021 Evolved Mobile Packet Core (EPC) Equipment Technical Requirements Part 1: Support for E-UTRAN Access

    China Telecommunication Industry - YD Standards

    YD/T 3849-2021 LTE digital cellular mobile communication network Dedicated core network (DCN) equipment test method

    China Telecommunication Industry - YD Standards

    YD/T 3848-2021 LTE-based vehicle networking wireless communication technology Test method for vehicle terminal equipment supporting direct communication

    China Telecommunication Industry - YD Standards

    YD/T 3847-2021 LTE-based vehicle networking wireless communication technology Roadside equipment test method supporting direct communication

    China Telecommunication Industry - YD Standards

    YD/T 3846.7-2021 Internet Basic Resource Support System Information Exchange Interface Specification Part 7: Content Delivery Network (CDN)

    China Telecommunication Industry - YD Standards

    YD/T 3846.6-2021 Internet Basic Resource Support System Information Exchange Interface Specification Part 6: IP Address

    China Telecommunication Industry - YD Standards

    YD/T 3846.5-2021 Specification of Information Exchange Interface for Internet Basic Resource Support System Part 5: ICP Website

    China Telecommunication Industry - YD Standards

    YD/T 3846.4-2021 Internet Basic Resource Support System Information Exchange Interface Specification Part 4: Domain Name Recursive Resolution Service

    China Telecommunication Industry - YD Standards

    YD/T 3846.3-2021 Internet Basic Resource Support System Information Exchange Interface Specification Part 3: Domain Name Authority Resolution Service

    China Telecommunication Industry - YD Standards

    YD/T 3846.2-2021 Specification of Information Exchange Interface for Internet Basic Resource Support System Part 2: Domain Name Management Service

    China Telecommunication Industry - YD Standards

    YD/T 3846.1-2021 Internet Basic Resource Support System Information Exchange Interface Specification Part 1: Domain Name Registration Service

    China Telecommunication Industry - YD Standards

    YD/T 3845.5-2021 Internet Basic Resource Support System Regulatory Information Exchange Interface Specification Part 5: Content Delivery Network (CDN)

    China Telecommunication Industry - YD Standards

    YD/T 3845.4-2021 Interface Specification for Regulatory Information Exchange of Internet Basic Resource Support System Part 4: ICP Website

    China Telecommunication Industry - YD Standards

    YD/T 3845.3-2021 Interface Specification for Supervision Information Exchange of Internet Basic Resource Support System Part 3: Domain Name Recursive Resolution Service

    China Telecommunication Industry - YD Standards

    YD/T 3845.2-2021 Interface Specification for Regulatory Information Exchange of Internet Basic Resource Support System Part 2: Domain Name Authority Resolution Service

    China Telecommunication Industry - YD Standards

    YD/T 3845.1-2021 Internet Basic Resource Support System Regulatory Information Exchange Interface Specification Part 1: Domain Name Registration and Management Services

    China Telecommunication Industry - YD Standards

    YD/T 3132.4-2021 Fiber optic home installation equipment - Part 4: Overhead and hanging fixtures

    China Telecommunication Industry - YD Standards

    YD/T 1181.2-2021 Characteristics of non-metallic strength members for optical cables - Part 2: Aramid yarns

    China Telecommunication Industry - YD Standards

    YD/T 1020.1-2021 Properties of termite resistant sheathing materials for cables and optical cables - Part 1: Polyamide

    China Telecommunication Industry - YD Standards

    YD/T 2339.1-2021 Accessories for laying radio frequency coaxial cables - Part 1: Feeder fixtures

    China Telecommunication Industry - YD Standards

    YD/T 3125.3-2021 Enhanced SFP optical transceiver module for communication (SFP+) Part 3: Tunable 10Gb/s

    China Telecommunication Industry - YD Standards

    YD/T 3831.1-2021 Integrated coherent light-emitting components Part 1: 100Gb/s

    China Telecommunication Industry - YD Standards

    YD/T 2799.4-2021 Specifications for Integrated Coherent Optical Receivers Part 4: 400Gb/s

    China Telecommunication Industry - YD Standards

    YD/T 3830.3-2021 200Gb/s Phase Modulation Optical Transceiver Module Part 3: DP-16QAM

    China Telecommunication Industry - YD Standards

    YD/T 3830.2-2021 200Gb/s Phase Modulation Optical Transceiver Module Part 2: DP-8QAM

    China Telecommunication Industry - YD Standards

    YD/T 3830.1-2021 200Gb/s Phase Modulation Optical Transceiver Module Part 1: DP-QPSK

    China Telecommunication Industry - YD Standards


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