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LSN50V2-D2x LoRaWAN Waterproof, Outdoor Temperature Sensor        7  /  23 
 
1.6  Pin Definitions and Switch 
 
 
1.6.1  Pin Definition 
The device is pre-configured to connect to temperature sensor. The other pins are not used. If 
user want to know more about other pins, please refer the user manual of LSn50v2 at: 
http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/   
 
1.6.2  Jumper JP2 
 
Power on Device when put this jumper.   
 
1.6.3  BOOT MODE / SW1 
 
1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. 
LED won't work. Firmware won’t run.   
2) Flash: work mode, device starts to work and send out console output for further debug 
 
1.6.4  Reset Button 
Press to reboot the device.   
 
1.6.5  LED 
It will flash: 
1)  When boot the device in flash mode