LRA-900 (RS-232/RS485 to LoRa Radio Modem) User Manual
Version 1.0.1
Page
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8
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2.1. LED Indicator
LED
Behavior
Description
PWR
On
+10 ~ +30 V
DC
Power On
Off
Power Off
RF_Tx
On
RF is transmitting data
Off
RF is no data to transmit
RF_Rx
On
RF is receiving data
Off
RF is no data to receive
2.2. Rotary Switch Setting
Switch Name
Description
Device
ID
Device ID, 0x01 ~ 0xFE
NOTE:
Each module’s “Device ID” must be
different from each other.
0x00 and 0xFF are reserved for
broadcast id used.