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Examples/PPPoS: Add troubleshooting to correctly power modem

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Closes https://github.com/espressif/esp-idf/issues/7807
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David Cermak 2021-11-18 10:19:22 +01:00 committed by bot
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examples/protocols/pppos_client/README.md
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@ -128,4 +128,8 @@ E (626) sim800: sim800_init(628): sync failed
```
* Make sure your modem module is in command mode stably before you run this example.
2. Why the modem restarts before switching to PPP mode or while getting operator's information?
* Make sure the modem device is properly powered. Please consult the device's datasheet for the power requirement (BG96 consumes approximately 200mA while establishing a connection and may restart if powered only from ESP32-WROVER Kit)
(For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you as soon as possible.)