1、BSI Standards PublicationElectronic railway equipment Train communication network(TCN)Part 3-4: Ethernet Consist Network (ECN)BS EN 61375-3-4:2014National forewordThis British Standard is the UK implementation of EN 61375-3-4:2014. It isidentical to IEC 61375-3-4:2014.The UK participation in its pre
2、paration was entrusted by Technical Com-mittee GEL/9, Railway Electrotechnical Applications, to Panel GEL/9/-/4,Railway applications - Train communication network and multimedia systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication
3、does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 68698 6ICS 45.060.01Compliance with a British Standard cannot confer immunity fromleg
4、al obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61375-3-4:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61375-3-4 May 2
5、014 ICS 45.060 English Version Electronic railway equipment - Train communication network (TCN) - Part 3-4: Ethernet Consist Network (ECN) (IEC 61375-3-4:2014) Matriel lectronique ferroviaire - Rseau embarqu de train (TCN) - Partie 3-4: Rseau Ethernet de Rame (ECN) (CEI 61375-3-4:2014) Elektronische
6、 Betriebsmittel fr Bahnen - Zugbus - Teil 3-4: ECN - Ethernet-Zugverband-Netzwerk (IEC 61375-3-4:2014) This European Standard was approved by CENELEC on 2014-04-23. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
7、tandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions
8、(English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committe
9、es of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
10、enia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All
11、rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61375-3-4:2014 E BS EN 61375-3-4:2014EN 61375-3-4:2014 - 2 - Foreword The text of document 9/1873/FDIS, future edition 1 of IEC 61375-3-4, prepared by IEC/TC 9 “Electrical equipment and systems fo
12、r railways“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61375-3-4:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-01-23 latest
13、 date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-04-23 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all
14、such patent rights. Endorsement notice The text of the International Standard IEC 61375-3-4:2014 was approved by CENELEC as a European Standard without any modification. BS EN 61375-3-4:2014- 3 - EN 61375-3-4:2014 Annex ZA (normative) Normative references to international publications with their cor
15、responding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including
16、 any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61076-2-101 - Connectors for electronic equipment - Product requirements - Part 2-101: Circular connectors
17、 - Detail specification for M12 connectors with screw-locking EN 61076-2-101 - IEC 61076-3-104 - Connectors for electronic equipment - Product requirements - Part 3-104: Detail specification for 8-way, shielded free and fixed connectors for data transmissions with frequencies up to 1000 MHz EN 61076
18、-3-104 IEC 61156-6 - Multicore and symmetrical pair/quad cables for digital communications - Part 6: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz - Work area wiring - Sectional specification - - IEC 61375-1 - Electronic railway equipment - Train communication networ
19、k (TCN) - Part 1: General architecture EN 61375-1 - IEC 61375-2-1 - Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB) EN 61375-2-1 - IEC 61375-2-5 - Electronic railway equipment - Train backbone - Part 2-5: Ethernet Train Backbone EN 61375-2-5 - IEC 62
20、439 series - High availability automation networks EN 624391) - ISO/IEC 7498 series - Information technology - Open Systems Interconnection - Basic Reference Model: The Basic Model - - ISO/IEC 8824 series - Information technology - Open Systems Interconnection - Specification of Abstract Syntax Nota
21、tion One (ASN.1) - - ISO/IEC 11801 - Information technology - Generic cabling for customer premises - - 1) EN 62439 is superseded by EN 62439-6:2010, which is based on IEC 62439-6:2010. BS EN 61375-3-4:2014EN 61375-3-4:2014 - 4 - Publication Year Title EN/HD Year IEEE 802.3 - IEEE Standard for Infor
22、mation technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) - Acess Method and Physical Layer Specifications - - IEEE 802.1Q - IEEE Standard f
23、or Local and Metropolitan Area Networks: Virtual Bridged Local Area Networks - - IEEE 802.1D - IEEE Standard for Local and Metropoitan Area Networks - Media Access Control (MAC) Bridges - - ANSI/TIA/EIA 568-B.1 2001 Commercial Building Telecommunications Cabling Standard - Part 1: General requiremen
24、ts - - ANSI X3.263 1995 EN-Information Technology - Fibre Distributed Data Interface (FDDI) - Token Ring Twisted Pair Physical Layer Medium Dependent (TP-PMD) - - BS EN 61375-3-4:2014 2 IEC 61375-3-4:2014 IEC 2014 CONTENTS INTRODUCTION . 11 1 Scope 12 2 Normative references 12 3 Terms, definitions,
25、symbols, abbreviations and conventions 13 3.1 Terms and definitions . 13 3.2 Symbols and abbreviated terms . 14 3.3 Conventions . 17 3.3.1 Bit numbering conventions 17 3.3.2 Byte order conventions . 17 3.3.3 Data types 17 4 Common part . 18 4.1 General 18 4.2 Architecture . 18 4.2.1 Network structur
26、e . 18 4.2.2 Network topology 19 4.2.3 End Device classes 20 4.2.4 Network Device types and Consist Switch classes 21 4.3 Data class 22 4.4 Functions and services 23 4.5 Redundancy . 24 4.5.1 General 24 4.5.2 Definitions 25 4.5.3 Redundancy managed at network level . 25 4.5.4 Redundancy managed at E
27、nd Device level . 26 4.6 Quality of service . 27 4.6.1 General 27 4.6.2 Priority level . 27 4.6.3 Assignment of priority level . 28 4.6.4 Consist Switch behavior . 28 4.6.5 Ingress rate limiting 28 4.6.6 Egress rate shaping 29 4.7 IP address and related definitions 29 4.7.1 Consist Network address 2
28、9 4.7.2 Train Network Address . 29 4.7.3 Group Address . 30 4.7.4 Name resolution and naming definitions . 30 4.8 IP address and network configuration management . 31 4.8.1 Consist Network address management . 31 4.8.2 Train network address management . 31 4.8.3 Static network configuration paramete
29、rs . 32 4.8.4 DHCP configuration parameters . 32 4.8.5 IP address management for TBN redundancy . 33 4.9 Network Device interface . 34 4.9.1 General 34 BS EN 61375-3-4:2014IEC 61375-3-4:2014 IEC 2014 3 4.9.2 Function requirements 34 4.9.3 Performance requirements 36 4.9.4 Physical Layer 36 4.9.5 Lin
30、k Layer . 39 4.9.6 Network Layer 39 4.9.7 Transport Layer 39 4.9.8 Application layers . 40 4.10 End Device interface 40 4.10.1 General 40 4.10.2 Physical Layer 42 4.10.3 Link Layer . 43 4.10.4 Network layer . 43 4.10.5 Transport Layer 43 4.10.6 Application layer . 43 4.11 Gateway functions . 44 4.11
31、.1 WTB gateway functions 44 4.11.2 ETB gateway functions . 44 4.12 Network management 45 4.12.1 ECN network management . 45 4.12.2 WTB network management . 45 4.12.3 ETB network management 45 5 Conformance test 45 Annex A (informative) Reliability and availability comparison between ECN architecture
32、s 46 A.1 General 46 A.2 Failure cases . 46 A.2.1 Definitions 46 A.2.2 Example of failure cases Linear topology . 47 A.2.3 Example of failure cases Parallel networks 48 A.2.4 Example of failure cases Ring topology . 49 A.2.5 Example of failure cases Ladder topology 50 A.3 Redundancy level of ECN arch
33、itecture . 52 A.4 Reliability analysis of redundancy level 53 A.5 Redundancy of End Devices 55 Annex B (informative) Railway-Network Address Translation (R-NAT) . 57 B.1 General 57 B.2 Local Consist subnet IP address 57 B.3 TBN R-NAT 58 B.4 Interoperability issue between TBNs 58 Annex C (normative)
34、Transceiver with amplified signals protocol definition 60 C.1 General 60 C.2 Type A: Transceiver with amplified signals for Physical Layer based on IEEE 802.3 (10BASE-T) . 60 C.2.1 General 60 C.2.2 Transceiver unit 60 C.2.3 Transmission signal characteristics 61 C.2.4 Reception signal characteristic
35、s . 64 C.3 Type B: Transceiver with amplified signals for Physical Layer based on IEEE 802.3 (100BASE-TX) . 65 BS EN 61375-3-4:2014 4 IEC 61375-3-4:2014 IEC 2014 C.3.1 General 65 C.3.2 Transceiver unit 65 C.3.3 Transmission signal characteristics 66 C.3.4 Reception signal characteristics . 66 Annex
36、D (informative) Ladder topology protocol definition 68 D.1 General 68 D.2 Architecture of Consist Network Node 68 D.2.1 General 68 D.2.2 Concept of ladder topology . 68 D.2.3 Configuration of ladder topology . 69 D.2.4 Functional structure of Consist Network Node. 70 D.2.5 Traffic Store for Process
37、Data . 72 D.2.6 Redundancy in ladder topology . 73 D.2.7 Configuration parameters for ladder topology . 75 D.2.8 Signal connection for trunk link . 76 D.2.9 Local link connection 77 D.3 Link Layer 77 D.3.1 General 77 D.3.2 MAC Media Access Control . 78 D.3.3 IP address and IP address management . 10
38、1 D.4 Consist Network Node management protocol . 101 D.4.1 General 101 D.4.2 Architecture of CNN management . 102 D.4.3 Individual CNN management information 102 D.4.4 CNN management database . 105 D.4.5 Primitives for CNN management protocol . 107 D.4.6 Parameters for CNN management protocol . 107
39、D.4.7 Timers for CNN management protocol 108 D.4.8 Procedures for CNN management protocol . 109 D.4.9 Operation of CNN management machine 112 D.4.10 Port number assignment for CNN management protocol . 114 D.5 Failure cases in ladder topology. 115 D.5.1 General 115 D.5.2 Failure cases 115 D.5.3 Rest
40、ore of the network 119 Bibliography 120 Figure 1 Logical view of the ECN . 19 Figure 2 Examples of ECN physical topologies 20 Figure 3 Example of network components 25 Figure 4 Examples of dual homing . 27 Figure 5 D-coded M12 connector . 38 Figure 6 Logical structure of the gateway between ECN and
41、WTB . 44 Figure A.1 Example of single network component failure . 46 Figure A.2 Example of double network component failures 47 Figure A.3 Example of a single component failure at a link on linear topology 47 Figure A.4 Example of a single component failure at an active component on linear topology
42、48 BS EN 61375-3-4:2014IEC 61375-3-4:2014 IEC 2014 5 Figure A.5 Example of a single component failure at a link on parallel networks 48 Figure A.6 Example of a single component failure at an active component on parallel networks . 49 Figure A.7 Example of a single component failure at a link on ring
43、 topology . 49 Figure A.8 Example of a single component failure at an active component on ring topology 50 Figure A.9 Example of a single component failure at an active component on ring topology (with dual homing ED) 50 Figure A.10 Example of a single component failure at a link on a ladder topolog
44、y 51 Figure A.11 Example of a single component failure at an active component on ladder topology 51 Figure A.12 Example of double component failures at links on ladder topology 51 Figure A.13 Example of double component failures at active components on ladder topology (with bypass) 52 Figure A.14 Ex
45、ample of ECN architecture classified by redundancy level . 53 Figure B.1 Example of ECN local IP range, “shadow” of train IP range for R-NAT 57 Figure B.2 Example of Railway Network Translation (R-NAT). 58 Figure B.3 From R-NAT TBN to TBN 59 Figure B.4 From TBN to R-NAT TBN 59 Figure C.1 Block diagr
46、am of transceiver unit for 10BASE-T MAU . 61 Figure C.2 Differential output voltage test 61 Figure C.3 Twisted-pair model . 62 Figure C.4 Amplified voltage template 62 Figure C.5 Amplified transmitter waveform for start of TP_IDL . 63 Figure C.6 Start-of-TP_IDL test load 64 Figure C.7 Amplified tran
47、smitter waveform for link test pulse . 64 Figure C.8 Amplified receiver differential input voltage narrow pulse . 65 Figure C.9 Amplified receiver differential input voltage wide pulse 65 Figure C.10 Block diagram of transceiver unit 66 Figure C.11 Signal_detect assertion threshold . 67 Figure D.1 C
48、oncept of ladder topology . 69 Figure D.2 Configuration of ladder topology . 69 Figure D.3 Basic flows of data frames on trunk links and local links in ladder topology 70 Figure D.4 Functional structure of Consist Network Node 72 Figure D.5 Concept of Traffic Store in ladder topology . 73 Figure D.6
49、 Example of configuration of ladder topology . 74 Figure D.7 Block diagram of the transceiver unit for a single twisted pair connection . 77 Figure D.8 Cable connection for a single twisted pair . 77 Figure D.9 Example of CNN number assignment in ladder topology . 79 Figure D.10 Frame format for the commands . 80 Figure D.11 Link establishment between two CNNs . 82 Figure D.12 Link establishment in ladder topology . 83 Figure D.13
