It was not the testing of a new signalling system that brought down four key arteries of Hong Kong’s mass transit network on Tuesday, the rail operator said yesterday in an effort to clear the air. Mr Tony Lee, chief of MTR Corporation’s operations engineering, told public broadcaster RTHK in a radio interview yesterday morning that based on preliminary findings, the likely cause of the service breakdown was a software and settings issue. His engineers and the signalling systems’ supplier did an analysis of the data and found that the network’s different signalling systems tried to send huge volumes of data to one another on Tuesday morning, and they were trying to synchronise. Mr Lee said that the synchronisation was started by the computers of the different signalling systems without prompting. This kind of data synchronisation had not been seen before, but MTR believed it had something to do with the computer program and settings. It was the first time that the different signalling systems had sent such huge volumes of data to one another, Mr Lee said. This drained the computers’ resources and caused them to become unstable. The preliminary findings will be sent to the supplier’s French headquarters… Read full this story
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