Hi, On Sat, Aug 17, 2013 at 03:47:48PM +0200, Oleksij Rempel wrote: > Am 17.08.2013 14:53, schrieb Forest Bond: > >Hi, > > > >On Thu, Aug 15, 2013 at 03:31:40PM -0500, Dan Williams wrote: > >>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 <pete@xxxxxxxxxxxxxx> 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. > > > >This is actually not true. Sierra released a document titled "CDMA 1xEV-DO CnS > >Reference" under a Creative Commons license. It has since disappeared from the > >Internet, but private copies exist. ;) There are a large number of specifics > >not covered by this document, but it does cover the basics of speaking CnS. > > > >Actually, I recall you mentioning this document here: > > > >http://blogs.gnome.org/dcbw/2010/04/15/mobile-broadband-and-qualcomm-proprietary-protocols/ > > > >I can post the document somewhere if it would be helpful. It's only 279KB. > > i would like to have this document if possible :) Okay, I published it here: http://www.alittletooquiet.net/media/2131024%20CDMA%20EVDO%20CnS%20Reference.pdf For the record, the document states its license as follows: http://creativecommons.org/licenses/by-nd/3.0/us/ You are free: to Share — to copy, distribute,display, and perform the work Under the following conditions: Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). No Derivative Works. You may not alter, transform, or build upon this work. Thanks, Forest -- Forest Bond http://www.alittletooquiet.net http://www.rapidrollout.com
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