I am trying to connect to my cellular modem on Linux. I connect it through USB and the device appears as /dev/ttyUSB0. Using minicom, I set the port and baud rate then connect to the device. However, when I connect I get a weird output.
I turned on echo in minicom (crtl+a e) and when I try to enter a newline, this output just repeats. I also cannot get a response when issuing AT Commands.
What does this output mean? Any other suggestions on what I can test?