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The 4 to 20mA addressable module interfaces directly with gas detection modules, enabling accurate gas alarms to be reported on Eaton’s range of addressable fire alarm system panels. These interfaces are equipped with unique addresses on the loop and built-in isolators for loop short-circuit protection , ensuring reliable and safe operation. Each module comes with programmable DIL switches (JP1, JP2, and JP3) that allow users to set the threshold levels for pre-alarm 1 , pre-alarm 2 , and alarm . These thresholds can be expressed as a percentage of L.E.L (Lower Explosion Limit) or PPM (Parts P