General Remarks Technical refers to SMD   SMD surface mounted devices SMD Switch series SMD-LED-Display systems M-PIPE (Light guide components integrated LEDs) Surface symbol illumination system LED-Tester for THT- and SMD-LEDs Capacity Switch Technical refers to FEL   Standardization in 19" equipment The FEL-System Front Panel Cutout (examples) Tendency of development Taping of SMD LEDs   Notes