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Una cadena de fallos técnicos tumbó el sistema de seguridad ferroviaria LZB en Urda

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El País
“Una cadena de fallos técnicos tumbó el sistema de seguridad ferroviaria LZB en Urda”

La ficha de la incidencia abierta por Adif a las 8.30 del miércoles, 23 minutos antes del siniestro, señala pérdidas de tensión, comunicaciones telefónicas caídas y “pérdida de información intermitente”

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