Nortel Door Opening Controller

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Equipped with the Door Opening Controller (DOC), the Norstar doorphone allows the occupant to unlock electric doors simply by pressing an OPEN softkey display button or a dial pad digit on their Norstar set. In addition, because the Doorphone with the DOC enables electronic devices to be controlled through contact closure (third party supplied), dial pad digit commands from a Norstar telephone allows a building occupant to remotely activate alarm systems, surveillance cameras, lights, etc. Each Doorphone can communicate with up to twelve DOCs, providing control of up to twelve electrical devices through the telephone dial pad.