main station

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    Trouble connecting DS-KH6310-W to door station

    Hi, please help to connect my main station DS-KH6310-W with the door station DS-KV8102-VP. The wiring is done via a single direct UTP cable with 2 pairs for communication and 1 pair for power. The power is on for both stations but the indoor station displays a red picture for the main door...
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