On Thu, 2013-08-15 at 10:47 -0500, Peter Hyman wrote: > On 08/15/2013 09:47 AM, Dan Williams wrote: > > On Thu, 2013-08-15 at 11:02 +0200, Bjørn Mork wrote: > >> Peter Hyman <p...@peterhyman.com> writes: > >> > >>> On 08/14/2013 01:42 PM, Bjørn Mork wrote: > >>> snip... > >>> > >>>> Great! And if you can snoop on Windows trying to figure out how to > >>>> switch the modes, then that would also help. I believe Wireshark with > >>>> usbpcap is the current state-of-the-art USB sniffer for Windows: > >>>> http://desowin.org/usbpcap/ > >>>> > >>>> > >>>> Bjørn > >>> Detailed files attached. > > Anyone mind sending those files over to me? > > > > Dan > snip... > > Please download AC250U_lsusb_pcap.tar.bz2 from: > https://app.box.com/s/6sln7t1na4pz6ij7ggpc
The modem is speaking Sierra's proprietary CnS protocol. This is a proprietary protocol for which no public documentation has been released, and so we'd have to reverse-engineer the specific commands being used to switch the modem between 3G and 4G mode. Dan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
