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Joined: Nov 2013
Posts: 25
Member
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OP
Member
Joined: Nov 2013
Posts: 25 |
I have a customer that already has one DOC/Door phone, but now they are looking at having me install another similiar setup. Can there be two(2)DOC devices on the same Dry contact port. Some techs here at the office think once triggered, both devices will open. Any ideas or suggestions, I've never installed a DOC before,ut there's a first time everything.
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