GB/T 39340-2020 English PDF

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GB/T 39340-2020: Aerospace electronic time deterministic network protocol
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39340-2020	489	Add to Cart	5 days	Aerospace electronic time deterministic network protocol	Valid

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Basic data

Standard ID: GB/T 39340-2020 (GB/T39340-2020)
Description (Translated English): Aerospace electronic time deterministic network protocol
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V25
Classification of International Standard: 49.035
Word Count Estimation: 26,223
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39340-2020: Aerospace electronic time deterministic network protocol

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Aerospace Electronics Time Deterministic Network Protocol) ICS 49:035 V25 National Standards of People's Republic of China Aerospace Electronics Time Deterministic Network Protocol 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Abbreviations 2 5 General requirements 3 5:1 Architecture requirements 3 5:2 Network composition 3 5:3 Transmission service type requirements 3 5:4 Data frame format requirements 5 6 Detailed requirements for end system 8 6:1 Overview of End System 8 6:2 Traffic regulation and scheduling requirements 9 6:3 Integrity check and redundancy management 10 6:4 Integrated Electronic Services 11 6:5 Performance indicators 14 7 Switch requirements 15 7:1 Basic concepts 15 7:2 Filtering and control functions 15 7:3 Exchange function 16 7:4 Switch terminal function 17 7:5 Monitoring function 17 7:6 Configuration file 17 7:7 Operation Mode 17 7:8 Data Loading 18 7:9 Pin programming 18 7:10 Performance characteristics 19 7:11 Performance Index 19 8 Physical layer requirements 20 9 Time synchronization requirements 20 9:1 Synchronization method 20 9:2 Synchronization establishment conditions 21 10 Real-time audio and video transmission 22

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying these patents: This standard was proposed and managed by the National Aerospace Technology and Application Standardization Technical Committee (SAC/TC425): This standard was drafted: Beijing Institute of Microelectronics Technology, Beijing Space Technology Research and Test Center: The main drafters of this standard: Zhao Pei, Lin Jianjing, Xiong Kaili, Zhang Qirong, Tao Shuting, Mao Yaxin, Yan Pan, Yao Tingwei, Zhang Dapeng, Li Xiaobo: Aerospace Electronics Time Deterministic Network Protocol

1 Scope

This standard specifies the network architecture, end system requirements, switch requirements, physical layer requirements, and time synchronization requirements for aerospace time deterministic networks: Summing and real-time audio and video transmission and other requirements: This standard is applicable to strong implementations with end-to-end delay not greater than 100us, jitter not greater than 10us, and network synchronization accuracy not greater than:200ns Time and high certainty internal backbone network of aerospace integrated electronic system:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: ARINC615A Avionics Ethernet interface software data loader (Softwaredataloaderusingethernetin- terfaces) ARINC653 Avionics application software standard interface (Avionicsapplicationsoftwarestandardinterface) ARINC664P2 Aeronautical Data Network Part 2: Ethernet Physical Layer and Data Link Layer Protocol (Aircraftdatanet- work-Part 2:Etherentphysicalanddatalinklayerspceification) ARINC664P7 Aeronautical Data Network Part 7: Avionics Ethernet Protocol (Aircraftdatanetwork-Part 7: Avionicsfulduplexswitchedethernet (AFDX) network) ARINC665 Avionics Loadable Software Standards (Loadablesoftwarestandards) IEEE802:3 Ethernet standard (IEEEstandardforethernet)

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 Timedeterministicnetwork A high-speed network with strong real-time and high determinism based on Ethernet, which can realize the convergent transmission of different types of data on the same network: 3:2 Endsystem The time-deterministic network component provides an application interface for the connection between the aerospace electronics subsystem and the TDN network, and is responsible for collecting the front-end After the data is encapsulated by the network protocol, the frame formed is sent to the TDN network: 3:3 Switch Time-deterministic network components, realize the fusion and exchange of network data and control information, and undertake certain synchronization during the network synchronization process: Step role: 3:4 Networkloading Download the device configuration file to the network switch and end system to make the entire network operate normally according to the configuration: Note: Network loading is referred to as loading in this standard: ......

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