A system for monitoring smoke and/or temperature of an electronic device , comprising: a fiber harness having at least one fiber optic cable terminating at a node , wherein the node is disposed to measure one or more conditions at the electronic device ; and a control system operably connected to the fiber harness and the electronic device , the control system including: a light source configured to transmit light through the fiber harness; a light sensitive device configured to receive scattered light associated with the node ; and a control unit configured to analyze the scattered light to determine at least one of a presence and magnitude of the one or more conditions at the node of one or more conditions at the electronic device , wherein the control unit is further configured to transmit a signal in response to the one or more conditions, wherein the one or more conditions are one or more of smoke, fire, and temperature; wherein the transmitted signal initiates a response to the one or more conditions based on one or more of operational capability of the electronic device based on the smoke and/or temperature, or current, voltage or data communication rate of the electronic device , which are monitored by or communicated to the control system . a fiber harness having at least one fiber optic cable terminating at a node , wherein the node is disposed to measure one or more conditions at the electronic device ; and a control system operably connected to the fiber harness and the electronic device , the control system including: a light source configured to transmit light through the fiber harness; a light sensitive device configured to receive scattered light associated with the node ; and a control unit configured to analyze the scattered light to determine at least one of a presence and magnitude of the one or more conditions at the node of one or more conditions at the electronic device , wherein the control unit is further configured to transmit a signal in response to the one or more conditions, wherein the one or more conditions are one or more of smoke, fire, and temperature; wherein the transmitted signal initiates a response to the one or more conditions based on one or more of operational capability of the electronic device based on the smoke and/or temperature, or current, voltage or data communication rate of the electronic device , which are monitored by or communicated to the control system . a light source configured to transmit light through the fiber harness; a light sensitive device configured to receive scattered light associated with the node ; and a control unit configured to analyze the scattered light to determine at least one of a presence and magnitude of the one or more conditions at the node of one or more conditions at the electronic device , wherein the control unit is further configured to transmit a signal in response to the one or more conditions, wherein the one or more conditions are one or more of smoke, fire, and temperature; wherein the transmitted signal initiates a response to the one or more conditions based on one or more of operational capability of the electronic device based on the smoke and/or temperature, or current, voltage or data communication rate of the electronic device , which are monitored by or communicated to the control system . <EOS>