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RAK RAK7431 Quick Start Manual page 30

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Figure 39: Publish message for change the DTU configuration
Uplink data message format when execution successful:
DTU_CMD
MSER
MDATA_LEN
MDATA
0x89
2Byte
2Byte
0Byte
Open the MQTT subscription bar to see the upstream message for successful execution: "8900010000".
Figure 40: Received confirmation message
Reset the default DTU Configuration
Publish topic:
sh
Application/1/device/60c5a8fffe75404b/tx
Content:

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