Mobile data connection troubleshooting: Difference between revisions
Mobile data connection troubleshooting (view source)
Revision as of 20:47, 19 May 2020
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* First, to establish a data connection only through mobile module on RUT, you need connect to router via CLI/SSH (use SSH software such as Putty): | * First, to establish a data connection only through mobile module on RUT, you need connect to router via CLI/SSH (use SSH software such as Putty): | ||
CLI/SSH username: root | CLI/SSH username: root | ||
CLI/SSH password: <your router’s password> | CLI/SSH password: <your router’s password> | ||
* Connect to mobile module of the router: | |||
... | |||
ifdown ppp | |||
/etc/init.d/gsmd stop | |||
microcom /dev/modem_cmd | |||
... | |||
* Most likely you will not see anything and that’s because screen echo might be disabled. ATE1 will enable it so that you can see what you write. at+qcsq=0 command stops showing unnecessary output | |||
... | |||
ATE1 | |||
OK | |||
at+qcsq=0 | |||
OK | |||
... | |||
3. Check communication (wait for the module to respond OK): | 3. Check communication (wait for the module to respond OK): | ||
• AT | • AT | ||