relay contacts for door opener, or electric door latch.
Operates on Panasonic KX-TD1232 Digital Super Hybrid phone systems,
version 5 or newer to operate correctly.
Door module was just removed from a working Panasonic KX-TD1232
system, and verified operation on door phones, and relay operation.
In photo is two modules, buy it now auction is for one door phone module
with two connection jacks. Two modules are available.