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    Adding a Relay Module to Security panel for System Sensor 2112i3

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    Adding a Relay Module to Security panel for System Sensor 2112i3

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    Adding a Relay Module to Security panel for System Sensor 2112i3

    Last year I replaced several old smoke detectors in my home with newer System Sensor 2112i3 units previously used as part of a Brinks security system at another home. I wired them as follows:   * From security panel: AUX+ (red wire) to Sensor V+; AUX- (black wire) to Sensor SYNC; Zone2 (yellow...
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