Mobile data connection troubleshooting: Difference between revisions
Mobile data connection troubleshooting (view source)
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This is a quick guide to help in the debugging process of a router if encounters issues with mobile data connection. | This is a quick guide to help in the debugging process of a router if encounters issues with mobile data connection. | ||
==Preparation== | |||
* 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 | ||
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... | ... | ||
* | ==Debugging process== | ||
* Query SIM card status: | |||
• AT+CPIN? | • AT+CPIN? | ||
5. If PIN is required, initialize modem with your PIN code: | 5. If PIN is required, initialize modem with your PIN code: | ||