Re: I: Sierra.c USB Serial Driver FAQ/Feature Request

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On 08/15/2013 03:31 PM, Dan Williams wrote:

snip...

> On Thu, 2013-08-15 at 10:47 -0500, Peter Hyman wrote:
>> 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
>
Why does this not surprise me? Anyway, I think we're done. It's Netgear
now and I am sure this old product won't get any support. I wrote up
some doc on this to use or not to identify and work around the issue.
Thanks for the deep dive.

Peter
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