An electronics assembly including: an enclosure in the form of a server housing; a plurality of electronic devices disposed in the server housing; and an integrated smoke detection and suppression system for the electronics assembly, including: a fiber harness having at least one fiber optic cable for transmitting light, the at least one fiber optic cable defining a plurality of nodes arranged to measure the presence and/or magnitude of smoke within the server housing; a light source operably connected to the fiber harness to transmit light along the fiber harness to the plurality of nodes; a control system operably coupled to the fiber harness such that scattered light associated with each node of the plurality of nodes is transmitted to the control system, wherein the control system is adapted to analyze the scattered light to determine at least one of a presence and magnitude of smoke at each node of the plurality of nodes; and a one or more of suppressant outlets disposed in the server housing, associated with the plurality of nodes and operably connected to the control system, the control system configured to initiate a response to deliver a volume of suppressant through a suppressant outlet associated with a particular node when the control system determines that smoke is present at the particular node of the plurality of nodes. an enclosure in the form of a server housing; a plurality of electronic devices disposed in the server housing; and an integrated smoke detection and suppression system for the electronics assembly, including: a fiber harness having at least one fiber optic cable for transmitting light, the at least one fiber optic cable defining a plurality of nodes arranged to measure the presence and/or magnitude of smoke within the server housing; a light source operably connected to the fiber harness to transmit light along the fiber harness to the plurality of nodes; a control system operably coupled to the fiber harness such that scattered light associated with each node of the plurality of nodes is transmitted to the control system, wherein the control system is adapted to analyze the scattered light to determine at least one of a presence and magnitude of smoke at each node of the plurality of nodes; and a one or more of suppressant outlets disposed in the server housing, associated with the plurality of nodes and operably connected to the control system, the control system configured to initiate a response to deliver a volume of suppressant through a suppressant outlet associated with a particular node when the control system determines that smoke is present at the particular node of the plurality of nodes. a fiber harness having at least one fiber optic cable for transmitting light, the at least one fiber optic cable defining a plurality of nodes arranged to measure the presence and/or magnitude of smoke within the server housing; a light source operably connected to the fiber harness to transmit light along the fiber harness to the plurality of nodes; a control system operably coupled to the fiber harness such that scattered light associated with each node of the plurality of nodes is transmitted to the control system, wherein the control system is adapted to analyze the scattered light to determine at least one of a presence and magnitude of smoke at each node of the plurality of nodes; and a one or more of suppressant outlets disposed in the server housing, associated with the plurality of nodes and operably connected to the control system, the control system configured to initiate a response to deliver a volume of suppressant through a suppressant outlet associated with a particular node when the control system determines that smoke is present at the particular node of the plurality of nodes.