about this page. All BASE products that feature a Fire Interface Relay (2-pole) have terminals for the second set of contacts (Aux) that can be used for alarm monitoring... of the Disconnect feature or for 'daisy-chaining' the fire interface to the next module. At the Aux terminals, a spare terminal is provided (ST) for terminating one side of an end-of-line... resistor if needed. The LV-8S distributes power to 8 door locks directly controlled by an Access Control System (without isolation relays). A socket and terminals are provided...