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9 RATO 6.1 Definitions, symbols and abbreviations Distributed interlocking A distributed interlocking is an interlocking system where the satellite interlockings are not operating as independent interlocking systems. A central interlocking for the distributed interlocking controls route setting. In this part of RATO, the satellite interlocking is considered equal to interlocking. Emergency command An emergency command is a command, the conditions of which do not meet all the safety requirements set for interlocking functions. An emergency command must be a critical command. Engineering configuration requirements Engineering configuration requirements refers to individual project documents concerning technical solutions and operation methods approved by the Finnish Transport Agency. Entry point An entry point is the first point when approaching the railway operating location. Facing point A facing point is the point layout direction seen from the point blade tips towards the blade base. Fictive signal aspect A fictive signal aspect is a status information indication to ATP. A fictive signal aspect may indicate the point speed information or information about consecutive set routes, points on such routes, set overlap, a route exit signal or a main route to an occupied track. Flank protection Flank protection is an element that protects the locked route or local point operation group with given local point operation permission from any other train movement. Fouling sign point A fouling sign point is the location, up to which the track can be run without interfering with the movements on the adjacent track. Fouling sign point of a point A fouling sign point of a point is a fouling sign point associated with a point. RATO 6 2009-12
