Product Manual

成都智佑科技有限公司
2
3. Wan communication
3.1 MQTTBrief introduction to the agreement
When a topic is subscribed by a subscriber, all the messages published on the topic will be received
by the subscriber.This is the basic message model of mqtt, the "subscribe publish" model.
Lora concentrator and WAN realize data exchange through mqtt protocol.When the app or
application server pushes messages to the topics subscribed to by the concentrator, the concentrator can
receive the messages sent by the app or application server.When the concentrator pushes messages to the
app or application server, the app or application server can receive the messages sent by the concentrator.
3.1.1 Topic list
Subject name
purpose
Subscription
role
Push role
client/{client_Id}
App or PC client sends control or
query commands to the device_ID
is the concentrator ID
Lora
concentrator
App / PC client
app/{ user_id }
concentratorReturn data to app or
PC client.
App / PC
client
Lora
concentrator
dev2servicelora/report
The concentrator sends sensor
data to the server
application
server
Lora
concentrator
dev2servicelora
Concentrator sends online and
offline data to the service
The server sends add device data
to the concentrator
4. Functions and settings
4.1 Indicator Status
There are 4 indicator lights, and the specific instructions are as follows:
name
explain
Sign
According to the flashing frequency of the indicator light, the signal strength
is judged
Link
The connection server is always on
Work
Data interaction
PWR
Always on when power on