Maintenance of Railway Signalling and Telecommunications Systems

UNIT 1. MAINTENANCE OF INTERLOCKINGS, BLOCKS AND CTCS 1. Introduction to railway signalling. TSI on CCS 2. Lockout devices. Origins of Electrical Interlocks 3. Electronic interlockings 4. Installations to be controlled by the interlockings 5. Signalling Block Systems UNIT 2. MAINTENANCE OF TRACK CIRCUITS AND LEVEL CROSSINGS 1. Introduction to train detection systems. SIL 2. Track circuits separated by insulating rail joints 3. Train detection by axle counters 4. Half-barrier protection systems 5. Maintenance and troubleshooting in level crossings UNIT 3. MAINTENANCE OF SYSTEMS (ATP – ERTMS) 1. Introduction to ATP systems. EBICAB900 system 2. The LZB system. Maintenance 3. ERTMS system. Maintenance 4. General description of the safety remote control 5. Remote control subsystems UNIT 4. MAINTENANCE OF COMMUNICATIONS SYSTEMS 1. Communications and fiber optical cable maintenance 2. Transportation Networks. Maintenance of Transmission Networks and DWDM networks 3. Maintenance of radio communications networks. Tren-Tierra and GSM-r 4. Maintenance of networks and data and voice services 5. Information and control systems