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Joined: Nov 2006
Posts: 3
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I was installing intercom (video) in 20 apartments building.I used 2x4 wire cabel for each except the first and a last intercom.I do not know is it serial or multiple connection?The manual says connect the door unit to the last or first intercom???? If anyone can help me that's would be great. Thanks all English not my native 
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Joined: Feb 2005
Posts: 12,360 Likes: 4
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Moved to Security and Alarms Forum
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Jul 2005
Posts: 1,184
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Can you give us the brand and/or model of intercom you are using?
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Joined: Nov 2006
Posts: 3
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I don't really remember of the model.What I know If I activet the search on the entrance unit I can add each apartment intercom and It is just 2x4 wire that is what I do not get.How can be?
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Joined: Jul 2005
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I'm not sure what you mean by 2x4 wire. Do you mean 2 quads or 2 four conductor ribbon cords?
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Joined: Nov 2006
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I do not know the jargonize.I can tell you how I wire in the intercom.So there is A1,A2,A3,A4 and B1,B2,B3,B4 positions.Anyway 1 quad in and 1 quad out.
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Joined: Jul 2005
Posts: 1,184
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Could it be Aiphone?
Works just like a phone system, each apartment unit has it's own DN (device number). The master finds the number of units and assigns a DN to each remote. They are basically wired in a "ring" or series fashion.
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