It looks like different door sensors with terminals work differently.
The SM103-1 clearly works as advertised, but you can't use it as a door sensor at the same time. The same goes for the Fibaro door sensor, which you can wire up to a standard push-button as per their instructions, although, just as with the SM103-1, it'll show open/close as the status change. The Vision/monoprice sensor doesn't work in the same way, as it can still work as a door sensor and have a secondary input via the screw terminals and this isn't supported as yet.