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FC-8840A four doors access control board connection demonstration
2016-12-09 13:32
Details of the problem:

Hello, it is the first time that we have used your FC-8840 four doors access control board, but the connection of the line is not clear, how to connect? Please provide it, thank you!

Expert answer:

Hello, thank you for using our FC-8840 four doors access control board, in order for you to better distinguish the wiring procedures and steps, we provide you with the following video tutorials, please watch:

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