Complete Audio Intercom Kit with Two Indoor Stations, One Door Station, and Built-In Door Release The Aiphone C-123LW is a ChimeCom audio intercom set that includes two C-ML/A master stations, one C-D door station, and a DAK-2S adapter in a single box. Both master stations communicate with the door station over simple 2-conductor shielded wire, and the built-in dry contact relay triggers an electric strike or magnetic lock directly from the indoor station. For small offices, residential entry points, and security and access control applications that need audio verification before granting entry, the C-123LW provides a complete solution with minimal wiring and no network infrastructure. The ChimeCom line is Aiphone's entry-level analog intercom platform. The C-123LW sits as the dual-master variant, giving two indoor locations independent access to the same door station. Wire runs reach up to 245 feet on 22 AWG or 590 feet on 18 AWG shielded cable, covering most single-building installations without signal boosters or repeaters. Where the C-123LW Fits Small office front door security where a receptionist and a back-office station both need to hear the door chime, speak with visitors, and release the door lock without walking to the entrance Residential entry points where a homeowner wants audio intercom at the front door with master stations in two rooms, plus the ability to buzz in guests from either location Low-traffic commercial entries where a simple analog audio system provides reliable visitor screening and door release without the complexity or cost of IP video intercom platforms What the C-123LW Delivers Complete dual-master kit: Ships with two C-ML/A indoor master stations, one C-D door station, and a DAK-2S adapter. Both master stations receive the door chime and can initiate push-to-talk communication independently. Built-in door release relay: Normally open dry contact rated at 30V AC/DC, 1A. Triggers electric strikes and magnetic locks directly from the master station without a separate relay module or power supply for the release circuit. Simple 2-wire installation: Runs on 2-conductor shielded cable with wire distances up to 245 feet (22 AWG) or 590 feet (18 AWG) from the door station to the farthest master station. No network drops, no IP configuration. Wall-mount design: All stations mount directly to the wall with included hardware. The door station is surface-mount with a weather-resistant housing for covered outdoor locations. Low power draw: Consumes 85 mA maximum at 6V DC with 100 mW audio output. Power supply is not included and must be ordered separately.
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