System Sensor RRS-MOD reversing relay/synchronization module includes a Velcro® attachment for easy installation into the fire alarm control panel cabinet. A quick-connect harness and colorcoded wires simplify connections. To meet fire alarm requirements, the RRS-MOD reversing relay/synchronization module activates all i3 sounders on a loop when an individual sounder alarms. Additionally, it synchronizes the output of the i3 sounders, regardless of whether the panel’s alarm signal is continuous or coded, to ensure a clear alarm signal.

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