Posted by Carl Navarro
on March 15, 2009, 7:33 am, in reply to "KXT7775 wiring"
It's a funny translation. The bell input is actually the transformer/ac power.
You only need the first 2 terminals to make the dooorphone card work. the other two are the normally open contacts that close when the button is pushed. I doubt that it matters which lead you put where on 3 and 4.
Carl
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