SIST EN 61375-3-4:2014

SLOVENSKI STANDARD
SIST EN 61375-3-4:2014
01-julij-2014
Železniške elektronske naprave - Komunikacijsko omrežje vlaka - 3-4. del: Sestava
omrežja Ethernet (ECN)
Electronic railway equipment -- Train communication network (TCN) -- Part 3-4: Ethernet
Consist Network (ECN)
Matériel électronique ferroviaire - Bus de train - Partie 3-4: Réseau de Rame Ethernet
(ECN)
Ta slovenski standard je istoveten z: EN 61375-3-4:2014
ICS:
45.020 Železniška tehnika na Railway engineering in
splošno general
SIST EN 61375-3-4:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 61375-3-4:2014

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SIST EN 61375-3-4:2014


EUROPEAN STANDARD EN 61375-3-4

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2014
ICS 45.060

English Version
Electronic railway equipment - Train communication network
(TCN) - Part 3-4: Ethernet Consist Network (ECN)
(IEC 61375-3-4:2014)
Matériel électronique ferroviaire - Réseau embarqué de Elektronische Betriebsmittel für Bahnen - Zugbus - Teil 3-4:
train (TCN) - Partie 3-4: Réseau Ethernet de Rame (ECN) ECN - Ethernet-Zugverband-Netzwerk
(CEI 61375-3-4:2014) (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 Standard 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 (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 committees 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, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.



European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 61375-3-4:2014 E

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SIST EN 61375-3-4:2014
EN 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 for 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 (dop) 2015-01-23
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2017-04-23
• latest date by which the national
standards conflicting with the
document have to be withdrawn

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 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.

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SIST EN 61375-3-4:2014
- 3 - EN 61375-3-4:2014
Annex ZA
(normative)

Normative references to international publications
with their corresponding 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 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 EN 61076-2-101 -
requirements -
Part 2-101: Circular connectors - Detail
specification for M12 connectors with screw-
locking


IEC 61076-3-104 Connectors for electronic equipment - Product EN 61076-3-104
-
requirements -
Part 3-104: Detail specification for 8-way,
shielded free and fixed connectors for data
transmissions with frequencies up to 1000
MHz


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 EN 61375-1 -
communication network (TCN) -
Part 1: General architecture


IEC 61375-2-1 - Electronic railway equipment - Train EN 61375-2-1 -
communication network (TCN) -
Part 2-1: Wire Train Bus (WTB)


IEC 61375-2-5 - Electronic railway equipment - Train backbone EN 61375-2-5 -
- Part 2-5: Ethernet Train Backbone


1)
IEC 62439 series - High availability automation networks EN 62439 -


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 Notation 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.

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SIST EN 61375-3-4:2014
EN 61375-3-4:2014 - 4 -
Publication Year Title EN/HD Year
IEEE 802.3 - IEEE Standard for Information 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 for 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- 2001 Commercial Building Telecommunications - -
B.1 Cabling Standard -
Part 1: General requirements


ANSI X3.263 1995 EN-Information Technology - Fibre Distributed - -
Data Interface (FDDI) - Token Ring Twisted
Pair Physical Layer Medium Dependent (TP-
PMD)

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SIST EN 61375-3-4:2014




IEC 61375-3-4

®


Edition 1.0 2014-03




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










Electronic railway equipment – Train communication network (TCN) –

Part 3-4: Ethernet Consist Network (ECN)




Matériel électronique ferroviaire – Réseau embarqué de train (TCN) –

Partie 3-4: Réseau Ethernet de Rame (ECN)
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX XF


ICS 45.060 ISBN 978-2-8322-1447-3



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 61375-3-4:2014
– 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 . 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
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 . 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 . 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 . 31
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

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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
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 management . 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 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 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 General . 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

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SIST 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 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 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 . 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 Primitives 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
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
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 . 47
Figure A.4 – Example of a single component failure at an active component on linear
topology . 48

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SIST EN 61375-3-4:2014
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
networks . 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
Figure 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 failures 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-NAT 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_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 transceiver 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 . 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 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 – Structure and primitives of Real Time MAC sub-layer . 85

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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
Figure 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
...