The Aiphone C-123LW ChimeCom single-door answering system with dual master intercoms enables audio communication with visitors prior to authorizing access to the building with the door release button. The dual master intercoms provide the master intercom operator with increased control over a large area or multiple rooms. When a visitor presses the door intercom's call button, the master intercom emits a two-tone chime to alert the master intercom operator. Each master intercom has both a push-to-talk button and a pull cord that can be used to initiate audio transmission to the door intercom. Once the cord or button is released, sound from the door intercom is transmitted immediately to the master intercom, automatically shutting off after 20 seconds. The door-release button on the master intercoms works with an electric strike (sold separately) to remotely unlock the entrance for the visitor.
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Aiphone C-123L Series Documents
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