The ANU-48 is a remote annunciator used with the E3 Series Fire, Mass Notification, Voice Evacuation and S3 Series Systems. The Gamewell-FCI, ANU-48 LED Driver Module is a remote annunciator that is used in conjunction with the following systems. , E3 Series Expandable Emergency Evacuation System , E3 Series Combined Fire and Mass Notification System , E3 Series Broadband Voice Evacuation System , S3 Series Small Addressable Fire Alarm Control Panel It provides output for up to eight remote panel switches and 48 remote LEDs, contributing to the versatility and flexibility of the GamewellFCI System. The switches may be programmed to operate as any of the following predefined functions , Speaker Circuit Switch , Fire Fighter Phone Switch , Auxiliary Control Switch using a bank of two switches (use one switch for each On-OffAuto function).