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Hello,

Is the TRB142 gateway capable of sending a specific message immediately after a TCP connection

Exemple :

  1. Connection
  2. Connected
  3. Send message "Hello I'm Device XXXX"
  4. Send Rs232 messages in real time

Thank You

1 Answer

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Hello,

TRB142 and other our devices do not send any data automatically like connection status or its name. To get that information you should set up TRB142 as Modbus TCP slave(https://wiki.teltonika-networks.com/view/TRB142_Monitoring_via_Modbus) or MQTT publisher(https://wiki.teltonika-networks.com/view/Monitoring_via_MQTT). Also, you can get this information by sending SMS messages to the gateway. Could you elaborate about RS232 messages in real-time part, maybe provide a use case.

Best regards.
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Thanks, but if you have 10 devices communicating at the same time on a TCP port, then there is no way to know who is sending us a message?

It seems essential, doesn't it?

Do you have any advice to answer the following problem: How do I know who is sending me a message without having to use MQTT and install components on the modem like simulate a modbus, etc...?
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In your case, if it is just simple TCP requests then you can only manage your devices by IP addresses.