SecuraKey Single-door Controller, RS485, HF, Rectangular Mullion style, Black | SKY-ET-SR-X-R liftmaster 8 position terminal strip Replacement circuit board for Advantage

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Includes templates to insure critical

SecuraKey Single-door Controller, RS485, HF, Rectangular Mullion style, Black | SKY-ET-SR-X-R liftmaster 8 position terminal strip Replacement circuit board for AdvantageSecuraKey Single door Controller, RS485, HF, Rectangular Mullion style, Black SKY ET SR X R ET SR X R (The ET SR X R is an upgraded version and a direct replacement for the ET SR X M) The ET8 SR reader connects to the NOVA. 16 Controller via the RS 485 peripheral bus, which supports up to 16 readers. The ET8 SR obtains data communications and 12VDC power from the NOVA. 16, but it has all the inputs and outputs required to monitor and control a door or