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RAIL SIGNAL ARRANGEMENT FOR A RAIL SIGNALLING SYSTEM
RAIL SIGNAL ARRANGEMENT FOR A RAIL SIGNALLING SYSTEM
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机译：铁路信号系统的铁路信号安排
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摘要
A rail signal arrangement for a rail signalling system comprising: a rail signal (102) having a plurality of rail signal lamps (112A-112C) each comprising a plurality of light emitter sub-arrays (116) that each comprise a light emitter (104), wherein the light emitter sub-arrays of each rail signal lamp are electrically connected in parallel, and a control circuit (110), wherein the control circuit is configured to: operate the rail signal lamps in response to operating instructions from a remote operations management system (150), detect the proportion of light emitter sub-arrays that are operable with a monitoring system in each rail signal lamp, and provide a condition status signal to the remote operations management system in accordance with whether the proportion of operable light emitter sub-arrays in each rail signal lamp meets a respective minimum threshold level, wherein a plurality of the rail signal lamps have different respective minimum threshold levels.
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