Nortel Digital Door Phone Opening Controller Unit NT8B79FB #16144
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Enables Norstar Door-phone the ability to unlock electric doors simply by pressing an OPEN soft-key display button or a dial pad digit on their Norstar set.
DOC enables electronic devices (e.g. alarm systems, surveillance cameras, lights, etc.) to be controlled through contact closure (third party supplied)
Each Doorphone can communicate with up to 12 Door Opening Controller (s)
Nortel door opening controller new with 1 year warranty.
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