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How does the CIE to manage the ZONEID?

Hi

      when a ZONE send a enroll request,CIE will give a ZONE ID with ZONE.

     But if ZONE leave the network,and CIE  have not catch the leave Msg,

     how  does CIE to  manage those ZONE ID, because there are only 255 ID could be use 。。。

  • Hi,

    The spec does not discuss this. Anyway, the CIE usually have some type of user interface, e.g. LCD and keypad. Using this interface, the user can have the option to remove obsolete Zone devices from the network. The CIE can also keep track of the last time it received communication from each connected zone, and assume a zone to be unavailable if it has not sent any indication for a certain time.

    Best regards,
    OD