USR-LG220 User Manual
Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited
www.usriot.com
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2.Product function
LG220 main function: Make LG220 Gateway and LoRa modules make up a communication network by USR
private protocol; realize data transmitting and receiving data from LoRa node, then LG220 will upload valid data to
server.
2.1.Work mode
USR-LG220 has two work modes:
Node active reporting mode
Polling waking mode
Note
: In both two work modes, three conditions must be met to make LoRa module access Gateway network:
Gateway administration channel(channel 1) and LoRa module have same channel.
Gateway administration channel(channel 1) and LoRa module have same rate.
Gateway and LoRa module have same application ID.
2.2.1.Node active reporting mode
Node active reporting mode: After configuring LG220 into this mode, LoRa modules which access LG220 network
will enter active reporting mode. LG220 will return response automatically after receiving data from LoRa node
module and will also upload valid data to server.
In this mode, LG220 will enter listening status after powering on. Matched LoRa modules will send accessing
network information to LG220 automatically after powering on. After LG220 receiving these accessing
network information by administration channel(channel 1), LG220 will distribute these LoRa modules to
three communication channels(channel 2, 3, 4) in sequence, then return configuration data of accessing
network to these LoRa modules immediately and save these LoRa node modules information into database.
LoRa modules will change channel and rate automatically according to configuration data of accessing
network and match communication channel(channel 2, 3, 4), then report data to LG220 periodically
according to configuration.
User can configure LG220 into this mode by Web Server as follows(Three communication channels all need to
configured into this mode):
