RAKwireless RAK7249 Configuration Manual page 22

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Device Address - The field is generated automatically and displays the address assigned to
the node. This is how you distinguish devices in the LoRa Packet Logger.
Application session key – The key assigned to the device upon OTAA Activation, or the one
input manually if ABP is used..
Network session key – Same as for the Application Session Key.
Uplink frame-counter – The number of messages that have been received by the Gateway
since the device activation.
Downlink frame-counter – The number of messages the Gateway has sent to the node.
Clear frame-counter – you can clear the frame counter and reset it to 0 with this button.
Downlink
This is where you can simulate a Downlink frame, a feature especially useful for testing. You
have the following parameter choices:
Confirmed – this slider determines if the packet will request an Acknowledgement to be send
for confirmation.
FPort – the number of the Frame Port that will be used for the frame.
HEX Bytes – the actual data to be send in HEX format.
Figure 20 | Device Downlink frame
RAK LoRaWAN Industrial Gateway Configuration Guide
22