Interface for converting a Due Fili digital signal into a standard audio/video signal for the user, extraction only takes place when the users programmed in the interface are called, programming via 950C or PC, indication by closing a N.O. contact (24 Va.c. 0.5 A), for use with dedicated power supply unit 6582, installation on DIN rail (60715 TH35), occupies 4 modules size 17.5 mm