Case Study - Singapore Metro - tetra

NEL TETRA Network Highlights 2/2Trains are driverless: any interaction between the OCC and train is basedon SDSSDS are used for:– Train onboard equipment status reporting (1 SDS from train toOCC every 6 s)– Train onboard equipment configuration (status SDS from OCCto train)– Passenger Information System (SDS from OCC to train)– Passenger Emergency Call (“callback” SDS from train to OCC,activated when the PEC button is pressed)Concurrency between speech calls and SDS is a key feature provided by TETRA3 sept 2008TETRA: The Next Ten YearsSlide 19