Home -> Intercoms Doorbell Fon Chime Interface Our Price $43.99 Product Variation Chime Interface $43.99 Buy item(s) The DP28CI Chime Interface Module works in conjunction with the DP28C Doorbell Fon Intercom Controller to allow users to interface to an existing doorbell or door chime in addition to ringing the telephones in the home. Doorbell Fon installs using a single pair of wires for power, signalling, control and voice. Use when Contact closure is needed to ring existing chime, or interface to Security, Alarm or Home Automation Controllers when a visitor rings the intercom. Diagram With DoorBell Fon Only: View Diagram in Browser Diagram With DoorBell Fon & Door Release: View Diagram in Browser Related Items Worth Considering Doorbell Fon Brass Intercom Station Doorbell Fon Door Release Module Doorbell Fon DP28C Intercom Controller Only DoorBell Fon Intercom Kit Doorbell Fon Intercom Module Doorbell Fon Station Only Product Variation Chime Interface $43.99 Buy item(s)