IEC 62402:2007

INTERNATIONAL IEC
STANDARD
CEI
NORME
First edition
INTERNATIONALE
Première édition
2007-06
Obsolescence management –
Application guide
Gestion de l’obsolescence –
Guide d’application
Reference number
Numéro de référence
IEC/CEI 62402:2007
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INTERNATIONAL IEC
STANDARD
CEI
NORME
First edition
INTERNATIONALE
Première édition
2007-06
Obsolescence management –
Application guide
Gestion de l’obsolescence –
Guide d’application
PRICE CODE
W
CODE PRIX
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue
Pour prix, voir catalogue en vigueur

– 2 – 62402 © IEC:2007
CONTENTS
FOREWORD.4

INTRODUCTION.6

1 Scope.7

2 Normative references .7

3 Terms, definitions and abbreviations .8

3.1 Definitions .8

3.2 Abbreviations .11
4 General principles .12
4.1 The obsolescence phase.12
4.2 Obsolescence management process .12
4.3 Documentation .14
5 Management responsibility .14
5.1 Management function on obsolescence .14
5.2 Meeting customer needs .15
5.3 Obsolescence contractual and regulatory implications.15
5.4 Obsolescence management planning .15
5.5 Responsibility.16
5.6 Management review .16
6 Resources .16
7 Managing obsolescence .16
7.1 Planning.16
7.1.1 General .16
7.1.2 Obsolescence management plan contents .17
7.1.3 Obsolescence management in the context of risk management .17
7.1.4 Planning .18
7.1.5 Assessment of impact, cost and probability of obsolescence .19
7.1.6 Determining the main strategy .19
7.1.7 Reactive strategy.20
7.1.8 Proactive strategy.21
7.1.9 Budgetary provision.21
7.1.10 Reviewing the strategy .21

7.2 Customer related activities .22
7.3 Reactive strategy recovery options (see Figure 8) .22
7.3.1 Overview .22
7.3.2 Product search .22
7.3.3 Cannibalization.23
7.3.4 Repair .23
7.3.5 Design revision.23
7.3.6 Product obsolescence .24
7.4 Proactive strategy options .24
7.4.1 Design considerations .24
7.4.2 Technology transparency.24
7.4.3 Obsolescence monitoring .25
7.4.4 Planned system upgrades.26

62402 © IEC:2007 – 3 –
7.4.5 Lifetime buy.26

7.4.6 Additional factors affecting the choice of obsolescence management

programme options.27

7.4.7 Skills training.27

7.5 Supply chain management .27

8 Measurement, analysis and improvement .27

9 Software obsolescence issues and strategies.28

9.1 Additional planning aspects for software.28

9.1.1 Software and hardware similarities and differences .28

9.1.2 Causes of software obsolescence.29
9.1.3 Determining the main strategy to combat software obsolescence .30
9.1.4 Reactive strategy – Do nothing until the need arises .31
9.1.5 Proactive strategy.31
9.2 Relationship between the customer and the supplier .32
9.3 Reactive strategy recovery options (see Figure 10) .32
9.3.1 Overview .32
9.3.2 Software search .32
9.3.3 Revision .32
9.3.4 Software obsolescence.33
9.4 Proactive strategy as applied to software separable from hardware (see
Figure 11) .33
9.4.1 Overview .33
9.4.2 Design considerations .33
9.4.3 Technology transparency/open systems .33
9.4.4 Contract support.34
9.4.5 Planned upgrades .34
9.4.6 Additional factors affecting choice of obsolescence management
programme options.34

Annex A (informative) Check list .36
Annex B (informative) Monitoring products.37

Bibliography.39

Figure 1 – Availability phases .12
Figure 2 – Process steps for managing obsolescence.13

Figure 3 – Obsolescence management versus product life cycle.13
Figure 4 – Relationship between OCM, OEM and the customer .14
Figure 5 – Process steps in project risk management versus obsolescence
management.18
Figure 6 – Reactive versus proactive strategy.20
Figure 7 – Proactive strategy .21
Figure 8 – Overview of reactive strategy recovery options .22
Figure 9 – Reactive versus proactive strategy in relation to software obsolescence .31
Figure 10 – Overview of recovery options .32
Figure 11 – Proactive options overview (software) .33
Figure B.1 – Simplified outline of monitoring of active electronic parts with suggested
solutions (see 7.4.3) .
...