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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