User Manual

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RS485 to LoRaWAN Converter User Manual 8 / 29
3. Operation Mode
3.1 How it works?
The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join
network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the
network server and power on the RS485-LN. It will auto join the network via OTAA.
In case user can’t set the OTAA keys in the network server and has to use the existing keys from
server. User can use AT Command to set the keys in the devices.
3.2 Example to join LoRaWAN network
Here shows an example for how to join the TTN Network. Below is the network structure, we use
our LG308 as LoRaWAN gateway here.
The RS485-LN in this example connected to two RS485 devices for demonstration, user can
connect to other RS485 devices via the same method. The connection is as below: