Lutron Low Voltage Interface QSE-IO Contact closure interface.

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QSE-IO Control Interface The QSE-IO contact closure interface provides integration with third-party equipment requiring contact closure input / output, including occupancy and vacancy sensors; motorized projection screens, skylights, and window shades; AV equipment; security systems; movable partition walls; and timeclocks. One QSE-IO interface provides five (5) dry contact closure outputs and five (5) inputs.