ACK not received

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  • June 27, 2019 at 11:31 am #27981
    Alex Baron
    Participant

    Hello guys,
    I have a system consisting of a xDot module (xdot-firmware-3.0.0-US915-mbed-os-5.4.7.bin firmware) and a gateway MultiConnect Conduit (MTCDT-LAT1-247A, Firmware 1.4.16).
    xDot module sends messages (ACK is required) to the Gateway (I see that the Gateway receives them correctly via AEP Interface in section LoRaWAN->packets and also in debug in Node-RED) with no problems. But every time xDot sends message to the Gateway, xDot gets an error ACK not received. How can I overcome this error?

    Any of your suggestions, thoughts.

    Thanks for the support / help.

    June 27, 2019 at 12:24 pm #27982
    Steve Kovarik
    Moderator

    Hi Alex

    When looking at LoRaWAN/Packets on the AEP interface, what is the packet “Type” of the received packets from the xDot?

    -Best Regards

    June 27, 2019 at 12:54 pm #27983
    Alex Baron
    Participant

    Hi Steve,
    I see the following types of packets received from xDot: DnCnf, UpCnf, JnAcc, and JnReq.

    Best Regards

    June 27, 2019 at 3:58 pm #27988
    Steve Kovarik
    Moderator

    Hi Alex

    From that we are to determine that the xDot successfully “Joined” the
    network, and the Conduit received the (UpCnf) xDot uplink confirmed packet
    requesting the ACK.
    And in response the Conduit sent a (DnCnf) downlink (confirmed) ACK back to the xDot.

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