The AR24-28SPRVSR from Alpha is a 28 Zone Supervisor Unit with Bracket , Monitor Call Boxes, Master Station and Telephone Line Provides Alarm Relay Contact.

Features

• 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