I need to configure the TRM240 modem to work with a Raspbian system. I followed the procedure reported in the answer here, but the connection isn't working.
I attach some screenshots documenting the procedure and the commands that I issued.
First, look for connected modems:
Check the unique modem found:
Here, the Status section leaves me a little bit puzzled, but I try to go on.
I tried the following command using different options for ifname: cdc-wdm0, ttyUSB2 and ttyUSB3. They all end up to the same result.
Check the connections and try to take up modem:
Status of service NetworkManager:
Status of service ModemManager (there are warnings, but not errors):
System info: