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How to bring-up EXS82-W WWAN on Linux

Tutorial, April 19, 2021 - 11:18pm, 2708 views

Newest EXS82-W firmware has added USB support, so basically we can use AT^SWWAN=1,1 to bring-up it's WWAN port. Below is a step-by-step guide to show how to do it on Linux:

  1. When plug-in to a PC or RPI running Linux, it will enumerate to show 2 CDC ACM ports, 1 CDC ECM ports, 1 Qualcomm port, like the screenshot shows. This is a partial output from dmesg command:

EXS82-W dmesg


  1. From the output of dmesg, it shows the name of the ECM port was changed to enx00a0c6319c70.  Using ip a command also confirm that, and it’s not configured yet. To allow it being configured by DHCP client, run dhclient enx00a0c6319c70 command and wait; when we have dhclient running on the given interface, it’s time to invoke AT^SWWAN=1,1 command

  1. Using a tool, be it a python script of a terminal emulator to input the AT^SWWAN=1,1 command; depending on Linux setup, you might have to disable ModemManager first:

  1. When AT^SWWAN=1,1 was invoked, the dhclient would receive configuration packet and configured the WWAN interface properly, now you can use ping to test the WWAN port or just start using it:



Hope someone out there to help 

When I plug in the EXS82-W I get nothing like the above what I get is ....

[515614.238052] usb 1-2: new full-speed USB device number 31 using xhci_hcd
[515614.394826] usb 1-2: New USB device found, idVendor=0403, idProduct=6015, bcdDevice=10.00
[515614.394839] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[515614.394844] usb 1-2: Product: FT230X Basic UART
[515614.394848] usb 1-2: Manufacturer: FTDI
[515614.394852] usb 1-2: SerialNumber: DT03MBZC
[515614.400408] ftdi_sio 1-2:1.0: FTDI USB Serial Device converter detected
[515614.400474] usb 1-2: Detected FT-X
[515614.401995] usb 1-2: FTDI USB Serial Device converter now attached to ttyUSB0
Am I doing wrong or do I need to install something?

 Hope someone can help


Sorry for late, just found you posted a question.

It sounds like you got an evaluation kit, on it there should be two USB device ports, one labled as ASC0 or UART, another labled as USB. You should use the USB one to get EXS82's USB enumeration.

Best regards,


Best Regards,
Antony Shen


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