EN50126Railway applications The specification and demonstration of Reliabilit EN50126Railwayapplications-ThespecificationanddemonstrationofReliability,Availability,MaintainabilityandSafety(RAMS)
EN50125_3railwayapplication_environmentalconditionsforequipmentspart3 railway application -environmental conditions for equipments part3
EN50129Railwayapplications_Communicationsignallingandprocessingsystems_Safetyrel Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling