I:* If #= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwanĮ: Ad = 89 (I ) Atr =03 (Int. Otherwise, you must check USB hardware connection between Linux box and Quectel IoT Module.īelow is the oputput from the Linux system which can recognize EC25 with correct driver USB Serial Option and QMI WWAN, which has VID, PID information: P: Vendor=2c7c ProdID=0125 Rev= 3.18. The first step is to check the usb devices from kernel debug cat /sys/kernel/debug/usb/deviceswith root permission, if you see the correct vendor ID and product ID, then USB connection is OK. Other completed VID, PID list with supported USB driver can be found from Product Overview. Below are all supported drivers of Quectel modules: Module SeriesĬheck if Linux OS can recognize Quectel Modulesįrom the physical level without any Linux driver, Linux box should recognize USB Device included Vendor ID (VID), Product ID (PID).
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