Transport Applications - tetra
Transport Applications - tetra
Transport Applications - tetra
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Main ETSI Standards of applications in railways Safety related electronic systems for signalling (EN 50129) Software safety (EN 50128)Key Concepts– Safety Case (SC): 6 documents– Safety Integrity Level (SIL): from 1 to 4 (*)– 10-9 < SIL 4 < 10-8– 10-8 < SIL 3 < 10-7– 10-7 < SIL 2 < 10-6– 10-6 < SIL 1 < 10-5TETRA industry has started to apply for SIL certifications according toSafety Cases(*) THR (Tolerable Hazard Rates)
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