Road vehicles — In-vehicle Ethernet — Part 5: Optical 1-Gbit/s physical layer system requirements and test plans

This document specifies: — requirements on the physical layer at system level, — requirements on the interoperability test set-ups, — interoperability test plan that checks the requirements for the physical layer at system level, — requirements on the device-level physical layer conformance test set-ups, and — device-level physical layer conformance test plan that checks a set of requirements for the OSI physical layer that are relevant for device vendors. The interoperability test plan checks the physical layer system requirements specified in this document and in ISO/IEC/IEEE 8802-3:2017/Amd 9. This test plan is structured in four different test groups, attending to the kind of system requirements that covers: — link status, that includes the tests that check the status of the link by using the content of the available registers and its accuracy with the real status of the link, — link-up, that includes the tests that check the time that the IUT reaches a reliable link status from certain state, — channel quality, that includes the tests that check the quality of the optical channel by using the content of the available registers and its accuracy with the real quality of the optical channel, and — wake-up and sleep, that include tests that check that the transmission and reception of the wake-up and sleep events. The device-level conformance test plan checks the device-level requirements specified in the ISO 21111 series and in ISO/IEC/IEEE 8802-3:2017/Amd 9. This test plan is structured in four different test groups, attending to the test set-up required: — high-attenuation channel, — low-attenuation channel, — optical IUT transmitter measurements, and — wake-up and synchronised link sleep.

Véhicules routiers — Ethernet embarqué — Partie 5: Exigences et plans de test du système de couche physique à 1-Gbit/s optique

General Information

Status

Published

Publication Date

28-Jun-2020

ICS

43.040.10 - Electrical and electronic equipment

Technical Committee

ISO/TC 22/SC 31 - Data communication

Drafting Committee

ISO/TC 22/SC 31/WG 3 - In-vehicle networks

Current Stage

6060 - International Standard published

Start Date

29-Jun-2020

Due Date

12-Dec-2020

Completion Date

29-Jun-2020

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INTERNATIONAL ISO
STANDARD 21111-5
First edition
2020-06
Road vehicles — In-vehicle Ethernet —
Part 5:
Optical 1-Gbit/s physical layer system
requirements and test plans
Véhicules routiers — Ethernet embarqué —
Partie 5: Exigences et plans de test du système de couche physique à
1-Gbit/s optique
Reference number
ISO 21111-5:2020(E)
ISO 2020
---------------------- Page: 1 ----------------------
ISO 21111-5:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
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Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 21111-5:2020(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 2

3 Terms and definitions ..................................................................................................................................................................................... 2

4 Symbols and abbreviated terms ........................................................................................................................................................... 3

4.1 Symbols ......................................................................................................................................................................................................... 3

4.2 Abbreviated terms ............................................................................................................................................................................... 3

5 Physical layer system requirements and interoperability test setups requirements ..................4

5.1 General ........................................................................................................................................................................................................... 4

5.2 GEPOF link status requirements .............................................................................................................................................. 5

5.2.1 IOP_GEPOF_REQ_LINK_STATUS_1 .................................................................................................................... 5

5.2.2 IOP_GEPOF_REQ_LINK_STATUS_2 .................................................................................................................... 5

5.3 GEPOF link-up requirements ...................................................................................................................................................... 5

5.3.1 IOP_GEPOF_REQ_LINK_UP_1 ................................................................................................................................. 5

5.3.2 IOP_GEPOF_REQ_LINK_UP_2 ................................................................................................................................. 5

5.3.3 IOP_GEPOF_REQ_LINK_UP_3 ................................................................................................................................. 5

5.3.4 IOP_GEPOF_REQ_LINK_UP_4 ................................................................................................................................. 6

5.3.5 IOP_GEPOF_REQ_LINK_UP_5 ................................................................................................................................. 6

5.4 Channel quality requirements ................................................................................................................................................... 6

5.4.1 IOP_GEPOF_REQ_CH_QLTY_1 ................................................................................................................................ 6

5.4.2 IOP_GEPOF_REQ_CH_QLTY_2 ................................................................................................................................ 6

5.5 Communication reliability under climatic loads requirements .................................................................... 6

5.5.1 IOP_GEPOF_REQ_RELIABILITY_TEMP_1 .................................................................................................... 6

5.5.2 IOP_GEPOF_REQ_RELIABILITY_TEMP_2 .................................................................................................... 7

5.5.3 IOP_GEPOF_REQ_RELIABILITY_TEMP_3 .................................................................................................... 7

5.5.4 IOP_GEPOF_REQ_RELIABILITY_TEMP_4 .................................................................................................... 7

5.5.5 IOP_GEPOF_REQ_RELIABILITY_TEMP_5 .................................................................................................... 7

5.5.6 IOP_GEPOF_REQ_RELIABILITY_TEMP_6 .................................................................................................... 8

5.5.7 IOP_GEPOF_REQ_RELIABILITY_TEMP_7 .................................................................................................... 8

5.5.8 IOP_GEPOF_REQ_RELIABILITY_TEMP_8 .................................................................................................... 8

5.5.9 IOP_GEPOF_REQ_RELIABILITY_TEMP_9 .................................................................................................... 8

5.5.10 IOP_GEPOF_REQ_RELIABILITY_TEMP_10 ................................................................................................. 9

5.6 Test set-up requirements ............................................................................................................................................................... 9

5.6.1 General...................................................................................................................................................................................... 9

5.6.2 Channel requirements ........................................................................................................................................... ...... 9

5.6.3 Device and LP requirements for interoperability test plan .....................................................11

6 Interoperability test plan set-ups ....................................................................................................................................................13

6.1 General ........................................................................................................................................................................................................13

6.2 Interoperability test set-up 1 ......... ..........................................................................................................................................13

6.3 Interoperability test set-up 2 ......... ..........................................................................................................................................14

6.4 Interoperability test set-up 3 ......... ..........................................................................................................................................15

6.5 Interoperability test set-up 4 ......... ..........................................................................................................................................16

7 Interoperability test plan .........................................................................................................................................................................17

7.1 General ........................................................................................................................................................................................................17

7.2 High attenuation channel with climatic load .............................................................................................................18

7.3 Low attenuation channel with climatic load ..............................................................................................................23

7.4 Link status time ...................................................................................................................................................................................25

7.5 Channel quality ....................................................................................................................................................................................28

8 Device-level physical layer conformance test set-ups requirements .........................................................30

8.1 General ........................................................................................................................................................................................................30

8.2 Test set-up requirements ............................................................................................................................................................30

8.2.1 IUT requirements for device-level physical layer conformance test plan ...................30

8.2.2 GEPOF entity stress test tool requirements ..........................................................................................32

9 Device-level physical layer conformance test plan set-ups ...................................................................................33

9.1 General ........................................................................................................................................................................................................33

9.2 Device-level physical layer conformance test set-up 1 .....................................................................................33

9.3 Device-level physical layer conformance test set-up 2 .....................................................................................34

9.4 Device-level physical layer conformance test set-up 3 .....................................................................................35

10 Device-level physical layer conformance test plan ........................................................................................................36

10.1 General ........................................................................................................................................................................................................36

10.2 High attenuation channel ............................................................................................................................................................37

10.3 Low attenuation channel .............................................................................................................................................................43

10.4 Optical IUT transmitter measurements ..........................................................................................................................49

10.5 Wake-up and synchronized link sleep .............................................................................................................................58

10.5.1 General test cases .........................................................................................................................................................58

10.5.2 Device with multiple physical entities test cases..............................................................................66

Bibliography .............................................................................................................................................................................................................................73

iv © ISO 2020 – All rights reserved
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ISO 21111-5:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 31,

Data communication.
A list of all parts in the ISO 21111 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
© ISO 2020 – All rights reserved v
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ISO 21111-5:2020(E)
Introduction

The ISO 21111 series includes in-vehicle Ethernet requirements and test plans that are disseminated in

other International Standards and complements them with additional test methods and requirements.

The resulting requirement and test plans are structured in different documents following the Open

Systems Interconnection (OSI) reference model and grouping the documents that depend on the

physical media and bit rate used.

In general, the Ethernet requirements are specified in ISO/IEC/IEEE 8802-3. The ISO 21111 series

provides supplemental specifications (e.g. wake-up, I/O functionality), which are required for in-vehicle

Ethernet applications. In road vehicles, Ethernet networks are used for different purposes requiring

different bit-rates. Currently, the ISO 21111 series specifies the 1-Gbit/s optical and 100-Mbit/s

electrical physical layer.

The ISO 21111 series contains requirement specifications and test methods related to the in-vehicle

Ethernet. This includes requirement specifications for physical layer entity (e.g. connectors, physical

layer implementations) providers, device (e.g. electronic control units, gateway units) suppliers, and

system (e.g. network systems) designers. Additionally, there are test methods specified for conformance

testing and for interoperability testing.

Safety (electrical safety, protection, fire, etc.) and electromagnetic compatibility (EMC) requirements

are out of the scope of the ISO 21111 series.

The structure of the specifications given in the ISO 21111 series complies with the Open Systems

[1] [3]

Interconnection (OSI) reference model specified in ISO/IEC 7498-1 and ISO/IEC 10731 .

ISO 21111-1 defines the terms which are used in this series of standards and provides an overview of

the standards for in-vehicle Ethernet including the complementary relations to ISO/IEC/IEEE 8802-3,

the document structure, type of physical entities, in-vehicle Ethernet specific functionalities and so on.

ISO 21111-2 specifies the interface between reconciliation sublayer and physical entity including

reduced gigabit media independent interface (RGMII), and the common physical entity wake-up and

synchronized link sleep functionalities, independent from physical media and bit rate.

ISO 21111-3 specifies supplemental requirements to a physical layer capable of transmitting

1-Gbit/s over plastic optical fibre compliant with ISO/IEC/IEEE 8802-3, with specific application to

communications inside road vehicles, and a test plan for physical entity conformance testing.

ISO 21111-4 specifies the optical components requirements and test methods for 1-Gbit/s optical in-

vehicle Ethernet.

This document specifies, for 1-Gbit/s optical in-vehicle Ethernet, requirements on the physical layer at

system level, requirements on the interoperability test set-ups, the interoperability test plan that checks

the requirements for the physical layer at system level, requirements on the device-level physical layer

conformance test set-ups, and device-level physical layer conformance test plan that checks a set of

requirements for the OSI physical layer that are relevant for device vendors.

ISO 21111-6 specifies advanced features of an ISO/IEC/IEEE 8802-3 in-vehicle Ethernet physical layer

(often also called transceiver), e.g. for diagnostic purposes for in-vehicle Ethernet physical layers. It

specifies advanced physical layer features, wake-up and sleep features, physical layer test suite,

physical layer control requirements and conformance test plan, physical sublayers test suite and

physical sublayers requirements and conformance test plan.

ISO 21111-7 specifies the implementation for ISO/IEC/IEEE 8802-3:2017/Amd 1:2017, which defines

the interface implementation for automotive applications together with requirements on components

used to realize this Bus Interface Network (BIN). ISO 21111-7 also defines further testing and system

requirements for systems implemented according to the system specification. In addition, ISO 21111-7

defines the channels for tests of transceivers with a test wiring harness that simulates various electrical

communication channels.
vi © ISO 2020 – All rights reserved
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ISO 21111-5:2020(E)

ISO 21111-8 specifies the transmission media, the channel performance and the tests for

ISO/IEC/IEEE 8802-3 in-vehicle Ethernet.

ISO 21111-9 specifies the data link layer requirements and conformance test plan. It specifies the

requirements and test plan for devices and systems with bridge functionality.

ISO 21111-10 specifies the application to network layer requirements and test plan. It specifies the

requirements and test plan for devices and systems that include functionality related with OSI layers

from 3 to 7.
Figure 1 shows the parts of the ISO 21111 series and the document structure.
Figure 1 — In-vehicle Ethernet document reference according to OSI model
© ISO 2020 – All rights reserved vii
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INTERNATIONAL STANDARD ISO 21111-5:2020(E)
Road vehicles — In-vehicle Ethernet —
Part 5:
Optical 1-Gbit/s physical layer system requirements and
test plans
1 Scope
This document specifies:
— requirements on the physical layer at system level,
— requirements on the interoperability test set-ups,

— interoperability test plan that checks the requirements for the physical layer at system level,

— requirements on the device-level physical layer conformance test set-ups, and

— device-level physical layer conformance test plan that checks a set of requirements for the OSI

physical layer that are relevant for device vendors.

The interoperability test plan checks the physical layer system requirements specified in this document

and in ISO/IEC/IEEE 8802-3:2017/Amd 9.

This test plan is structured in four different test groups, attending to the kind of system requirements

that covers:

— link status, that includes the tests that check the status of the link by using the content of the

available registers and its accuracy with the real status of the link,

— link-up, that includes the tests that check the time that the IUT reaches a reliable link status from

certain state,

— channel quality, that includes the tests that check the quality of the optical channel by using the

content of the available registers and its accuracy with the real quality of the optical channel, and

— wake-up and sleep, that include tests that check that the transmission and reception of the wake-up

and sleep events.

The device-level conformance test plan checks the device-level requirements specified in the

ISO 21111 series and in ISO/IEC/IEEE 8802-3:2017/Amd 9.

This test plan is structured in four different test groups, attending to the test set-up required:

— high-attenuation channel,
— low-attenuation channel,
— optical IUT transmitter measurements, and
— wake-up and synchronised link sleep.
© ISO 2020 – All rights reserved 1
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ISO 21111-5:2020(E)
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 21111-1 , Road vehicles — In-vehicle Ethernet — Part 1: General information and definitions

ISO 21111-2 , Road vehicles —In-vehicle Ethernet — Part 2: Common medium-independent interface

specifications

ISO 21111-3, Road vehicles — In-vehicle Ethernet — Part 3: Optical 1-Gbit/s physical layer specification and

conformance test plan

ISO 21111-4, Road vehicles — In-vehicle Ethernet — Part 4: Optical 1-Gbit/s component requirements and

test methods
ISO/IEC/IEEE 8802-3, Standard for Ethernet

ISO/IEC/IEEE 8802-3:2017/Amd 9:2018, Physical Layer Specifications and Management Parameters for

1000 Mb/s Operation over Plastic Optical Fiber
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/IEC/IEEE 8802-3, ISO 21111-1

and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
network system
two or more devices connected bi-directionally through a physical medium
Note 1 to entry: Physical medium is defined in ISO 7498-1:1994.
3.2
GEPOF link status

reliability or unreliability of the bidirectional communication between two GEPOF physical entities as

signalled by bit 2 of MDIO register 1.1 specified in ISO/IEC/IEEE 8802-3:2017/Amd 9

3.3
device-level physical layer conformance test plan

set of conformance test cases that covers physical layer requirements relevant for the device provider

3.4
cable plug
POF cable plug that fulfils the specification in ISO 21111-4
3.5
cable socket
POF cable socket that fulfils the specification in ISO 21111-4
1) Under preparation. Stage at the time of publication: ISO/DIS 21111-1:2020.
2) Under preparation. Stage at the time of publication: ISO/DIS 21111-2:2020.
2 © ISO 2020 – All rights reserved
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ISO 21111-5:2020(E)
3.6
in-line connector
connector resulting of the match of a cable plug (3.4) and a cable socket (3.5)
4 Symbols and abbreviated terms
4.1 Symbols

For the purposes of this document, the symbols of ISO 21111-1 and the following apply.

IDD device current consumption
device
IDD minimum device current consumption in operation
min
IDD maximum device current consumption in operation
max
IDD_DIS minimum device current consumption in sleep power state
min
IDD_DIS maximum device current consumption in sleep power state
max
T climatic chamber temperature
T device climatic chamber temperature
device
T link partner climatic chamber temperature
T minimum operating temperature
min
T maximum operating temperature
max
T typical operating temperature
typ
U supply voltage
U device supply voltage
device
U link partner supply voltage
U minimum supply voltage
min
U maximum supply voltage
max
U typical supply voltage
typ
4.2 Abbreviated terms

For the purposes of this document, the abbreviated terms of ISO 21111-1 and the following apply.

AOP average optical power
ER extinction ratio
GESST GEPOF entity stress test tool
IUT implementation under test
LP link partner
LT lower tester
© ISO 2020 – All rights reserved 3
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ISO 21111-5:2020(E)
POF plastic optical fibre
RIN relative intensity noise
RMS root mean square
TC test coordinator
UT upper tester
5 Physical layer system requirements and interoperability test setups
requirements
5.1 General

Clause 5 specifies the physical layer system requirements and the interoperability test setup

requirements.

The physical layer system requirements are structured by the functionality that they cover:

— The GEPOF link status comprises the physical layer system requirements related with the time and

accuracy the network system signals a new status in the GEPOF link (see 5.2),

— The GEPOF link-up time comprises the physical layer system requirements related with the time

the network system signals a reliable GEPOF link status from a given initial power state of the two

physical entities involved in the GEPOF link (see 5.3),

— The channel quality comprises the physical layer system requirements related with the time and

accuracy the network system signals a change of the channel quality in the GEPOF link (see 5.4),

— The communication reliability comprises the physical layer system requirements related with the

communication reliability when the devices in the network system are under certain climatic loads

and the communication channel is set (see 5.5).

The reference network system used to specify the physical layer system requirements is shown in

Figure 2.

Figure 2 — Reference network system for physical layer system requirements definition

The interoperability test set-ups requirements are specified in 5.6. They include requirements on the

channels that are used in the test set-ups and requirements on the device and LP used in the test set-ups.

4 © ISO 2020 – All rights reserved
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ISO 21111-5:2020(E)
5.2 GEPOF link status requirements
5.2.1 IOP_GEPOF_REQ_LINK_STATUS_1
REQ 1.1 PHY — IOP_GEPOF_REQ_LINK_STATUS_1

The time measured from the instant when the GEPOF link status changes to "bidirectional reliable

link is established" till the reception of the first Ethernet frame in the device shall be lower than

0,5 ms when Ethernet frames are sent continuously from the LP.
5.2.2 IOP_GEPOF_REQ_LINK_STATUS_2
REQ 1.2 PHY — IOP_GEPOF_REQ_LINK_STATUS_2

The time measured from the instant when the GEPOF link becomes unreliable till the GEPOF link

status changes to "bidirectional unreliable link" shall be lower than 5 ms.
5.3 GEPOF link-up requirements
5.3.1 IOP_GEPOF_REQ_LINK_UP_1
REQ 1.3 PHY — IOP_GEPOF_REQ_LINK_UP_1

The time measured from the instant when the GEPOF entity 1 receives a PHY_WakeUp.request from

the data link layer as specified in ISO 21111-2 till the GEPOF link status in GEPOF entity changes to

"bidirectional reliable link is established" shall be lower than 100 ms.

The initial power state of the GEPOF entity in device 1 and its LP to measure this time shall be Sleep

as defined in ISO 21111-2.
5.3.2 IOP_GEPOF_REQ_LINK_UP_2
REQ 1.4 PHY — IOP_GEPOF_REQ_LINK_UP_2

The time measured from the instant when the GEPOF entity 1 receives a WakeUp_request event as

specified in ISO 21111-2 till the GEPOF link status in GEPOF entity 1 changes to "bidirectional reliable

link is established" shall be lower than 100 ms.

The initial power state of the GEPOF entity 1 to measure this time shall be Sleep as defined in

ISO 21111-2.

The initial power state of the LP to measure this time shall be Normal as defined in ISO 21111-2.

5.3.3 IOP_GEPOF_REQ_LINK_UP_3
REQ 1.5 PHY — IOP_GEPOF_REQ_LINK_UP_3

The time measured from the instant when the GEPOF entity 1 is reset till the GEPOF link status in

GEPOF entity 1 changes to "bidirectional reliable link is establish
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 21111-5
ISO/TC 22/SC 31
Road vehicles — In-vehicle Ethernet —
Secretariat: DIN
Voting begins on:
Part 5:
2020-04-03
Optical 1-Gbit/s physical layer system
Voting terminates on:
requirements and test plans
2020-05-29
Véhicules routiers — Ethernet embarqué —
Partie 5: Exigences et plans de test du système de couche physique à
1-Gbit/s optique
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 21111-5:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO 2020
---------------------- Page: 1 ----------------------
ISO/FDIS 21111-5:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 21111-5:2020(E)
Contents Page