Railway fixed equipment and rolling stock. Railway safety electronic equipment. Procedure for demonstration of safety unit.

Avant-propos 4

0 Introduction 4

1 Domaine d'application 4

2 Généralités 4

3 Références normatives 5

4 Définitions et terminologie 6

5 Procédure de démonstration de la sécurité d'un module 7

5.1 Référentiel 7

5.2 Documents d'entrée 8

5.3 Documents de sortie 8

5.4 Respect des exigences de sécurité 10

Annexe A (normative) Cycle en V 14

Annexe B (normative) Complément au catalogue ORE des défaillances de composants 15

B.1 Défaillances intermittentes 15

B.2 Cartes imprimées: Coupure des pistes - Augmentation de résistance des pistes 15

B.3 Court-circuit et défaut d'isolement entre parties conductrices voisines 15

B.4 Modes de défaillances des résistances 16

B.5 Modes de défaillances des relais utilisés en signalisation et système d'aide à la c 299onduite 16

B.6 Modes de défaillances des condensateurs utilisés en signalisation et système d'aide à la conduite 16

B.7 Autres composants 16

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