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GB/T 39340-2020: Aerospace electronic time deterministic network protocol
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39340-2020 | English | 489 |
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Aerospace electronic time deterministic network protocol
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GB/T 39340-2020
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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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