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GB/T 28029.6-2020Electronic railway equipment - Train communication network (TCN) - Part 2-5: Ethernet Train Backbone (ETB) (English PDF)

轨道交通电子设备列车通信网络(TCN) 第2-5部分：以太网列车骨干网(ETB)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 6, 2020

Implementation date

October 1, 2020

Scope

GB/T 28029.6-2020 is the English-translated version of 轨道交通电子设备列车通信网络(TCN) 第2-5部分：以太网列车骨干网(ETB).

GB/T 28029.6-2020 is the Chinese standard "Electronic railway equipment - Train communication network (TCN) - Part 2-5: Ethernet Train Backbone (ETB)". Its scope clause reads: This part of GB/T 28029 specifies the Ethernet Train Backbone (ETB) requirements to meet open trains based on Ethernet technology Communication Systems.

Regardless of the marshalling network technology used (see GB/T 28029.1-2020), this section implements interoperability between local marshalling subnets. All marshalling network definitions should consider this part to maintain interoperability.

When the supply and demand sides agree, this section can be applied to closed trains and multi-unit trains.

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Document preview — GB/T 28029.6-2020

National Standard of the People's Republic of China

ICS: 45.060
Classification: S 70

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviations and conventions
3.1 Terms and definitions
3.2 Acronyms
3.3 Convention
4 ETB physical layer
4.1 Train domain
4.2 Physical characteristics
4.3 Power over Ethernet (PoE)
4.4 ETB physical architecture and redundancy
5 ETB data link layer
6 ETB network layer
6.1 Overview
6.2 Introduction to IP Mapping
6.3 Topology
6.4 Network IP address mapping
6.5 Special host IP address
6.6 Use Case
6.7 Dynamic IP Routing Management
7 ETB transport layer
8 Initial ETB train operation
8.1 Overview
8.2 Goals and assumptions
8.3 ETBN settings
8.4 General Behavior
8.5 ETBN initial operation state diagram
8.6 ETBN Discovery
8.7 TTDP message description
8.8 TTDP data structure
8.9 TTDP frame timing
8.10 Application interface of initial train
8.11 Downgrade Mode
8.12 Discovery timing
9 ETBN redundancy
10 ETB physical train naming convention (optional)
10.1 Overview
10.2 ETB Train Domain
10.3 Hostname
11 ETB Quality of Service
11.1 Overview
11.2 Frame forwarding
11.3 Initial operation frame priority
11.4 ETB entry rate limit
11.5 ETB exit rate shaping
11.6 ETB data type
12 ETB management and monitoring
13 ETB Application Interface
13.1 Overview
13.2 Abstract Communication Model
13.3 ETB Process Data and Message Data Protocol
13.4 ETB protocol transparency
13.5 ETBN interface
14 ETB Declaration of Conformity
Appendix A (Normative Appendix) Summary of ETB parameter limits
Appendix B (Normative Appendix) Physical Topology Establishment Algorithm
Appendix C (Normative Appendix) TTDPMIB Definition

1 Scope

This part of GB/T 28029 specifies the Ethernet Train Backbone (ETB) requirements to meet open trains based on Ethernet technology

Communication Systems.

Regardless of the marshalling network technology used (see GB/T 28029.1-2020), this section implements interoperability between local marshalling subnets.

All marshalling network definitions should consider this part to maintain interoperability.

When the supply and demand sides agree, this section can be applied to closed trains and multi-unit trains.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 16262 (All Parts) Information Technology Abstract Syntax Notation One (ASN.1) [ISO /IEC 8824 (All Parts)]

GB/T 18015.1-2017 Multi-core twisted or star-twisted symmetrical cables for digital communications. Part 1. General specifications (IEC 61156-1.

2009, MOD)

GB/T 18015.5 Pair or star twisted multicore symmetrical cable for digital communication. Part 5. With transmission characteristics of 600MHz and below

Sectional Specification for Horizontal Layer Cabling Cables for Symmetrical Twisted or Star Twisted Symmetrical Cables (GB/T 18015.5-2007, IEC 61156-5..2002, IDT)

GB/T 18233-2008 General cabling for information technology user buildings (ISO /IEC 11801..2002, IDT)

GB/T 24338.4 Electromagnetic compatibility of rail transit Part 3-2. Locomotive equipment (GB/T 24338.4-2018,

IEC 62236-3-2..2008, MOD)

GB/T 28029.1-2020 Rail Transit Electronic Equipment Train Communication Network (TCN) Part 1. Basic Structure (IEC 61375-1..2012, MOD)

GB/T 28029.2-2020 Rail Transit Electronic Equipment Train Communication Network (TCN) Part 2-1. Stranded Train Bus (WTB) (IEC 61375-2-1..2012, MOD)

GB/T 28029.4 Rail Transit Electronic Equipment Train Communication Network (TCN) Part 2-3. TCN Communication Protocol (GB/T 28029.4-2020, IEC 61375-2-3..2015, MOD)

GB/T 28029.12 Rail transit electronic equipment Train communication network (TCN) Part 3-4. Ethernet marshalling network (ECN) (GB/T 28029.12-2020, IEC 61375-3-4..2014, MOD)

IEC 61076-2-101 Product requirements for connectors for electronic equipment Part 2-101. Circular connectors with screw locking

Detailed specifications of M12 connectors (Connectorsforelectronicequipment-Productrequirements-Part 2-101. Cir- cularconnectors-DetailspecificationforM12connectorswithscrew-locking)

IEC 61156 (all parts) twisted pair or star twisted multi-core symmetrical cable (Multicore and symmetrical pair / quadcablesfordigitalcommunications)

IEEE802.1AB LAN and MAN site and media access control connection discovery (IEEEStandardforLocaland

MetropolitanAreaNetworks-StationandMediaAccessControlConnectivityDiscovery)

IEEE802.1AX..2008 LAN and metropolitan area network link aggregation (IEEEStandardforLocalandMetropolitan

AreaNetworks-LinkAggregation)

TB/T 2834 | GB/T 28029.14 | GB/T 28029.13 | GB/T 28029.11 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 184 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 16262 · IEC 8824 · IEC 61156 · GB/T 18233-2008 · IEC 11801 · IEC 62236 · IEC 61375 · IEC 61076

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