The Aiphone C-123L/A ChimeCom Audio Door Answering System provides audio communication with the door station, as well as door-release activation. The door answering set includes the C-ML/A Master Station and the C-D Door Station. It communicates with the door station and activates door strike. This 2-wired intercom system is powered by 4C batteries (sold separately) or a 6VDC power supply.

Note: Optional door stations (sold separately) for replacement of C-D door station: any LE or LS Series.