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connect the Sierra MC7455 LTE Module with the iot2050

Created by: stepdz at: 9/28/2020 5:09 PM (4 Replies)

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9/28/2020 5:09 PM	Rate (0)
stepdz Regular Member Joined: 6/5/2020 Last visit: 7/27/2022 Posts: 8 Rating: (0)	Hello, is there any procedure to connect and use the Sierra MC7455 LTE Module with the iot2050? Unfortunatelly it seems to me that the module is not recognized by the device. attached the results of the dmesg and lsusb commands. thanks for your help Stefano Attachment Commands.txt (493 Downloads)

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9/29/2020 10:51 AM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 4/8/2024 Posts: 640 Rating: (60)	Hello, It appears this LTE Card is not recognized correctly due to missing drivers. e.g. the qmi_wwan driver appears to be required, based on the documentation on here. Would require some investigation and building an own image. BR

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9/30/2020 4:11 PM	Rate (0)
stepdz Regular Member Joined: 6/5/2020 Last visit: 7/27/2022 Posts: 8 Rating: (0)	Hello and thank you for the reply. Do you mean i should build a new image for the iot2050 based on the new driver and the one you gave me for the iot2050?
	Last edited by: stepdz at: 09/30/2020 17:20:24
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1/11/2021 12:15 PM	Rate (0)
stepdz Regular Member Joined: 6/5/2020 Last visit: 7/27/2022 Posts: 8 Rating: (0)	Hello, unfortunatelly i am still not able to install the drivers and let the Sierra Module being recognized by the iot2050. Do you have any tips in regards that can help me with that in particular with the installation of the qmi_wwan drivers, please? Is there a way to check if my Sierra Module is correctly connected to the iot2050? Best Stefano
	Last edited by: stepdz at: 01/11/2021 12:15:31 Last edited by: stepdz at: 01/11/2021 12:17:00
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1/12/2021 5:47 PM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 4/8/2024 Posts: 640 Rating: (60)	Hello, Sorry for the late reply! Jan has opened an experimental branch on meta-iot2050: https://github.com/siemens/meta-iot2050/tree/jan/qmi-wwan please clone it like this git clone -b jan/qmi-wwan .... Then follow the instruction to build the image. In the end flash the .wic file to your SD card and retry to see if your card is working. If not let us know so we can check for further dependencies. BR
	Last edited by: Fe_lipe at: 01/12/2021 17:48:15
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