Hello,

I have the ACP-DXEL4 control board and I want to control my gate opener with slot 4 on it.  My gate board is (NO with 24v) it is the Liftmaster SL585.  how would I either step up voltage for the gate board or step down voltage for the ACP-DXEL4? Or is there some kind of extension module that will allow me to use my ACR-DXRF18 proximity keypad?  or is there a passive slot that won't allow the 24 volts to back feed to my access control  panel? or is there diode or capacitor that I can put inline? Sorry for all of the questions but there has to be a way to add this to the system. 

Regards, 

Martin