Spec Sheet Preview: Supervisor monitors remote Call Boxes, Base Station phone, and telephone lines Provides relay output when it does not detect a component of the system Connections: RJ11 connections to each Call Box, Base Station phone, and phone line. Punch down terminal connections to Distribution Module. Power: 12vdc (includes UL listed transformer that plugs into a 120vac backed up source or use model PWRAPC or PWRAPC112) Wall mounted swing out bracket