FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addres
System Sensor’s SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications.
FCM-1 Addressable Control Module provides Notifier intelligent control panels a circuit for Notification Appliances (horns, strobes, speakers) or to monitor a telephone circuit.