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3. Wiring Architecture
3.1 Et LoRa --- air ---- LoRa + Serial Interface ----- Machine
3.2 USB Int LoRa --- air ---- LoRa + Serial Interface ---- Machine
3.3 Et LoRa --- air ---- LoRa + Serial DI/DO Interface ----- DI/DO
3.4 Serial Int LoRa --- air ---- LoRa + Serial Interface ----- Machine
