A multiprotocol product line integration emergency alert system comprising: a multiprotocol control module configured to store a plurality of communication protocols; at least one multiprotocol device configured to detect at least one event, and to communicate data over the system according to a respective device protocol; and at least one hardware interface in electrical communication with the multiprotocol control module and the at least one multiprotocol device to communicate data therebetween, the at least one hardware interface including electrical circuitry that is dynamically adjusted based on the plurality of communication protocols, wherein the multiprotocol control module determines the device protocol and selects a communication protocol that matches the device protocol from among the plurality of stored communication protocols to adjust the at least one electrical circuitry such that the detected at least one event is electrically communicated to the multiprotocol control module; wherein the electrical circuitry adjusts electrical parameters controlling communication between the multiprotocol control module and the at least one multiprotocol device based on at least one of at least one standard protocol and at least one legacy protocol, the electrical parameters including at least one of voltage level, modulation frequency, transmission speed, transmission timing, circuit impedance, input power, current level, and current direction; wherein the event is at least one of a fire alert, a security breach alert, and an intruder alert, and wherein the multiprotocol control module outputs an alert signal indicating the detected event. a multiprotocol control module configured to store a plurality of communication protocols; at least one multiprotocol device configured to detect at least one event, and to communicate data over the system according to a respective device protocol; and at least one hardware interface in electrical communication with the multiprotocol control module and the at least one multiprotocol device to communicate data therebetween, the at least one hardware interface including electrical circuitry that is dynamically adjusted based on the plurality of communication protocols, wherein the multiprotocol control module determines the device protocol and selects a communication protocol that matches the device protocol from among the plurality of stored communication protocols to adjust the at least one electrical circuitry such that the detected at least one event is electrically communicated to the multiprotocol control module; wherein the electrical circuitry adjusts electrical parameters controlling communication between the multiprotocol control module and the at least one multiprotocol device based on at least one of at least one standard protocol and at least one legacy protocol, the electrical parameters including at least one of voltage level, modulation frequency, transmission speed, transmission timing, circuit impedance, input power, current level, and current direction; wherein the event is at least one of a fire alert, a security breach alert, and an intruder alert, and wherein the multiprotocol control module outputs an alert signal indicating the detected event. <EOS>