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My TRB142 doesn't accept any input when configured as a modem in partial control. I'm only getting the +QCSQ status messages every few seconds.

It says that it should support AT commands, but it seems like it doesn't:

  • Partial Control- Enables Modem Control With AT Commands, Mobile Connection Will Be Controlled By RUTOS.

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Hello,

Please note that after testing the above issue, it seems to be working in the latest FW 7.1.2.

Kindly upgrade your FW to the same.

https://wiki.teltonika-networks.com/view/TRB142_Firmware_Downloads

Hope this resolves the issue.

Regards,

Clive Simon Victor Pinto

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I have the latest FW 00.07.02 and in partial mode, AT commands are only accepted if the line ends with CR+LF characters (not just CR like in full mode and what most other modems accept). Maybe this is also the original poster's problem.

For this reason I can't use partial mode as our embedded device only sends CR as endline.