a self contained fire extinguisher system that does not need external power in order to sense or initiate a release of a fire suppression medium , includes components configured to utilize a linear sensor network that can be connected to at least one and / or different sources of fire suppression mediums . a linear temperature sensing cord can be routed over a large area not practical with individual sensors . the cord can also actuate several and different sources of fire suppression mediums to maximize the suppression of a fire .