If i look at the sticky post http://forums.homeseer.com/showthread.php?t=136097 something is not very clear to me. If i connect the ad2usb as discribed, can i still connect the keypad or is the ad2usb connection replacing the keypad wires?
Another question: is it possible to do this with the Ademco Vista 4120 XMP? Because it is a old one?
Another question: is it possible to do this with the Ademco Vista 4120 XMP? Because it is a old one?
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