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Continue to ChatArtesyn Embedded Technologies Launches New COTS Fail-Safe System Designed to be Certified to SIL4 for Train Control and Rail Signaling : https://vita.militaryembedded.com/4618-artesyn-embedded-technologies-launches-new-cots-fail-safe-system-designed-to-be-certified-to-sil4-for-train-control-and-rail-signaling/