Aiphone RY-18L Door Release Relay Module

The RY-18L door release relay module is an interface between the door strike contacts on the Aiphone unit and the actual release mechanism. This relay provide a normally open contact for electric strikes or a normally closed contact for a magnetic lock.

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Manufacturer Part Number	RY-18L
Features	Open voice communication Push-to-talk at master; hands-free at remote LE Sub stations; either door station or room sub station Voice volume control