Profile: Simplex Time Solutions is a business unit of Tyco Fire and Security. We deal with time recorders & cards. Our time recorders and card product includes side print time recorders, topload time recorders, standard time cards and custom time cards. Our simplex model 6311 interval timers are used in hospital delivery rooms, operating rooms, laboratories, schools and industrial applications. We also provide time recorder ribbons, plastic card racks and metal card racks.