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Master Box <br /> L <br /> FIRE <br /> PULL <br /> 41. <br /> One way the Interface between the fire alarm control unit and the PEARS is <br /> completed Is using a master fire alarm box,which is an addressable manual <br /> • pull station on the PEARS system that has an interface circuit that allows a <br /> fire alarm control unit to actuate the master box when the system initiates a <br /> fire alarm signal. <br /> Large municipalities usually locate the communications center at a facility <br /> designed for the purpose.Small communities often locate the <br /> communications center at the fire station,police station,sheriffs office,or a <br /> private agency that has been contracted to provide public emergency <br /> communications services.NFPA 1271 Standard for the Installation. <br /> Maintenance and Use of Emergency Services Communications Systems <br /> • provides requirements for the Installation,performance,operation,and <br /> maintenance of communications systems and facilities. <br /> If off-premises signaling is provided by a private company,it is most likely <br /> completed using a supervising station alarm system. A supervising station <br /> alarm system consists of everything connected to the supervising station. <br /> Including the protected premises fire alarm control unit and devices. <br />