1、 IEC 61375-3-4 Edition 1.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic railway equipment Train communication network (TCN) Part 3-4: Ethernet Consist Network (ECN) Matriel lectronique ferroviaire Rseau embarqu de train (TCN) Partie 3-4: Rseau Ethernet de Rame (ECN) IEC 61375-3-4:2
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19、ents - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61375-3-4 Edition 1.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic railway equipment Train communication network (TCN) Part 3-4:
20、 Ethernet Consist Network (ECN) Matriel lectronique ferroviaire Rseau embarqu de train (TCN) Partie 3-4: Rseau Ethernet de Rame (ECN) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XF ICS 45.060 PRICE CODE CODE PRIX ISBN 978-2-8322-1447-3 Registered trademark of
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22、nside 2 IEC 61375-3-4:2014 IEC 2014 CONTENTS FOREWORD . 9 INTRODUCTION . 11 1 Scope 12 2 Normative references 12 3 Terms, definitions, 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
23、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 structure . 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
24、 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 End 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 . 2
25、8 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 29 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 . 3
26、1 4.8.1 Consist Network address management . 31 4.8.2 Train network address management . 31 4.8.3 Static network configuration parameters . 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 IEC 61375-3-4
27、: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 Link 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
28、 4.10.4 Network layer . 43 4.10.5 Transport Layer 43 4.10.6 Application layer . 43 4.11 Gateway functions . 44 4.11.1 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 managem
29、ent 45 5 Conformance test 45 Annex A (informative) Reliability and availability comparison between ECN architectures 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
30、failure cases Ring topology . 49 A.2.5 Example of failure cases Ladder topology 50 A.3 Redundancy level of ECN architecture . 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
31、Local Consist subnet IP address 57 B.3 TBN R-NAT 58 B.4 Interoperability issue between TBNs 58 Annex C (normative) 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 Gene
32、ral 60 C.2.2 Transceiver unit 60 C.2.3 Transmission signal characteristics 61 C.2.4 Reception signal characteristics . 64 C.3 Type B: Transceiver with amplified signals for Physical Layer based on IEEE 802.3 (100BASE-TX) . 65 4 IEC 61375-3-4:2014 IEC 2014 C.3.1 General 65 C.3.2 Transceiver unit 65 C
33、.3.3 Transmission signal characteristics 66 C.3.4 Reception signal characteristics . 66 Annex 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 topolog
34、y . 69 D.2.4 Functional structure of Consist Network Node. 70 D.2.5 Traffic Store for Process 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
35、General 77 D.3.2 MAC Media Access Control . 78 D.3.3 IP address and IP address management . 101 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 Pr
36、imitives for CNN management protocol . 107 D.4.6 Parameters for CNN management protocol . 107 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
37、D.5 Failure cases in ladder topology. 115 D.5.1 General 115 D.5.2 Failure cases 115 D.5.3 Restore 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
38、Figure 5 D-coded M12 connector . 38 Figure 6 Logical structure of the gateway between ECN and 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
39、47 Figure A.4 Example of a single component failure at an active component on linear topology 48 IEC 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 networ
40、ks . 49 Figure A.7 Example of a single component failure at a link on ring 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 Figur
41、e A.10 Example of a single component failure at a link on a ladder topology 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 failur
42、es at active components on ladder topology (with bypass) 52 Figure A.14 Example 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-NA
43、T TBN to TBN 59 Figure B.4 From TBN to R-NAT TBN 59 Figure C.1 Block diagram 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_
44、IDL . 63 Figure C.6 Start-of-TP_IDL test load 64 Figure C.7 Amplified transmitter 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 transceiv
45、er unit 66 Figure C.11 Signal_detect assertion threshold . 67 Figure D.1 Concept 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
46、 72 Figure D.5 Concept of Traffic Store in ladder topology . 73 Figure D.6 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
47、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 Local links between redundant CNNs 83 Figure D.14 Example of CNN modes 83 Figure D.15 Struc
48、ture and primitives of Real Time MAC sub-layer . 85 6 IEC 61375-3-4:2014 IEC 2014 Figure D.16 TPCM state machine 90 Figure D.17 ACM state machine . 93 Figure D.18 State diagram of USE_TOKEN 95 Figure D.19 Example of sequence of transmission . 99 Figure D.20 Architecture of CNN management . 102 Figur
49、e D.21 State diagram for CNNMM 113 Figure D.22 Normal configuration of transmission paths in ladder topology 115 Figure D.23 Re-configuration of transmission paths with a single link failure in a sub- network . 116 Figure D.24 Re-configuration of transmission paths with a single CNN failure in a sub-network 116 Figure D.
