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Hello,

Is the TRB142 gateway capable of performing the following tasks:

  1. Connect to an external MQTT Broker
  2. Send RS232 datas to a specific topic in real time
  3. Subscribe  on a specific topic
  4. Send datas to RS232 with the mqtt message

Thank you

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Hello,

1. TRB142 does have an MQTT broker and publisher feature, you can read more about MQTT configuration in TRB142: https://wiki.teltonika-networks.com/view/TRB142_MQTT

2. RS232 data can be sent using Data to server feature that is available in TRB142. Data to server supports HTTP and MQTT protocols. More about configuration: https://wiki.teltonika-networks.com/view/TRB142_Data_to_Server

3. Answered on the first point. When you configure TRB142 as a broker it can subscribe to specific topics.

4. Unfortunately, data cannot be sent using MQTT to a device connected via RS232 to TRB142. 

Best regards.