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  1. RCB2003

    help with 3x8 DR5 system

    Great forum... hope you don't mind the question: I purchased a business with a norstar 3x8 DR5 system with M7208 / M7310 phones. It is set up with one phone line, and a doorbell speaker... and now I would like to hook a second phone line in. Where can I access the wiring diagram, or get some...

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