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RS485 to LoRaWAN Converter User Manual 15 / 29
A8 mm xx xx xx xx xx
mm: 1: add CRC-16/MODBUS ; 0: no CRC
xx: The command want to sent
Set Command1 (Same as AT+COMMAND1)
A9 mm xx xx xx xx xx
mm: 1: add CRC-16/MODBUS ; 0: no CRC
xx: The command1 to be sent.
A9
Not fix
Cut command1 (Same as AT+DATACUT1):
AA mm nn kk
mm: total length nn:start kk:end
AA
4
Set Command2 (Same as AT+COMMAND2)
A9 mm xx xx xx xx xx
mm: 1: add CRC-16/MODBUS ; 0: no CRC
xx: The command1 to be sent.
AB
Not fix
Cut command2 (Same as AT+DATACUT2):
AA mm nn kk
mm: total length nn:start kk:end
AC
4
Cat command (Same as AT+DATAUP)
AD mm nn (3 bytes)
AD mm pre suffix nn prefix suffix (7 bytes)
mm:command number nn:command number
AD
3 or 7
PAYLOAD_VER (Same as AT+PAYVER)
AE kk
KK:version
AE
2
If the payload=0100003C, means to control the END Node’s TDC to 0x00003C=60(S), while type
code is 01.
Example Downlink payload setting in TTN:
Type Code 0x04
If payload = 0x04FF, it will reset the RS485-LN.
Type Code 0x08
If payload = 0x08FF, RS485-LN will immediately send an uplink.