RS232/485 TO WIFI POE ETH (B) User Manual
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RS232/485 TO WIFI POE ETH (B) MQTT's subscribe topic modes include Pure Transparent
Subscribe Mode (subscribed topic data transparently transmitted to the serial port) and
Topic-Carrying Subscribe Mode (subscribed topic data carrying the topic is transparently transmitted
to the serial port).
6.17.2 RS232/485 TO WIFI POE ETH (B) PARAMETER CONFIGURATION
The AT command settings are as follows in the table below:
Table MQTT-related commands
Turn MQTT function on/off
Query/set MQTT version number
Query/set MQTT server information
Query/set MQTT authentication user name
Query/set MQTT authentication password
Query/set MQTT heartbeat interval
Query/set MQTT last will status
Query/Set the MQTT last will message.
Query the MQTT connection status.
Query/Set the MQTT topic publishing mode.
Query the list of preconfigured MQTT publish topics.
Add a new topic to the preconfigured publish topics.
Delete the topic with that name from the preconfigured
publish topics.
Clear the preconfigured publish topics.
Query/Set MQTT Topic Subscription Mode
Query MQTT preconfigured subscription topic list
Add a new topic to a preconfigured subscription topic
Delete a topic with that name from the preconfigured
subscription topics.
Clean preconfigured subscription topics
Web page settings
On the "MQTT Function Settings" page, configure the MQTT function parameters as follows:
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