The rehabilitation program of 40 locomotives of the series “E402” of Trenitalia, assigned to the Spanish company CAF in Beasain. has been started at the beginning of year 2015. The program encompasses the realignment of existing Locos to the latest technical standards, and the renewal of the whole loco payload. Fire protection of all technical areas of the locomotive must be brought into compliance with all the latest fire safety regulations, which came into force with the new rolling stock TSI. More specifically, the fire alarm system, manufgactured and supplied by ISE using its proprietary “SILFI-Guard” product architecture, will be implemented in full compliance with the new UNI 11565 and equipped with advanced diagnostic capabilities, including “Condition-Based Maintenance” features according to the provisions of the customer technical specifications.