Modernization and Maintenance of Signals and Telecommunications
1.Expansin of railway signal / telecommunications Abbreviations; DACS : Data Collecting & Switching system FOGS : Freight Operation Control System EPOCS : Effectual Planning and Operation of Container System MARS : Magnetic & electronic Automatic Reservation System YACS : Yard Automatic Control System RC : Remote Control CTC : Centralized Traffic Control system COMTRAC : Computer-aided Traffic Control System ATS : Automatic Train Stop system ATC : Automaitc Train Control system ATO : Automatic Train Operation systctn Fig.1 Expansion of railway signals / telecommunications
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