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        The device display in FCARD3500T one card pass management software is not online
        2018-01-13 16:13
        Details of the problem:

        Hello, when the MC-5812R one door access controller is used, the device in the FCARD3500T one card pass management software is suddenly not online, what can be the reason?

        Expert answer:

        Hello! In this case, please check whether the RS485 converter and the line are normal, if the RS485 and the line are normal, please restart the computer and then open the FCARD3500T one card pass management software-install the device-automatically search for access control devices- -Choose RS232/RS485 mode, select the correct serial port number, and the device can be searched, then the communication is normal, otherwise, there is a problem with the communication line or RS485 converter.

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