USR-LG220-L User Manual
Technical Support:
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Jinan USR IOT Technology Limited
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2.Product function
LG220 main function: Make LG220 concentrator 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.APN configuration
After inserting SIM card, user needs to configure APN settings to make LG220 connect to 4G network firstly. User
can configure APN configuration by Web Server as follow:
Figure 6 APN configuration
2.2.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 concentrator network:
➢
Concentrator administration channel(channel 1) and LoRa module have same channel.
➢
Concentrator administration channel(channel 1) and LoRa module have same rate.
➢
Concentrator 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
