<div dir="ltr"><div>Here (<a href="http://wiki.e1550.mobi/doku.php?id=troubleshooting">http://wiki.e1550.mobi/doku.php?id=troubleshooting</a>) you can find some useful info and udev rules file.</div><div>Do not tried it yet, but it seems it can work. Maybe after slightly patching.</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2012/12/19 Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@celliax.org" target="_blank">gmaruzz@celliax.org</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Nandy and Dimitry,<br>
<br>
please let us know your findings.<br>
<br>
Thanks for sharing!<br>
<span class="HOEnZb"><font color="#888888"><br>
-giovanni<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Wed, Dec 19, 2012 at 4:46 AM, Nandy Dagondon <<a href="mailto:nandy1925@gmail.com">nandy1925@gmail.com</a>> wrote:<br>
> Hi Giovanni,<br>
><br>
> I have not tested it yet. As mentioned by Dmitry, modem serial numbers are<br>
> not accessible. Perhaps, mapping the serial port based on the USB port where<br>
> they're connected would, at least, a workable solution somewhat as discussed<br>
> in this post:<br>
><br>
> <a href="http://stackoverflow.com/questions/4800099/how-to-identify-multiple-usb-serial-adapters-under-ubuntu-10-1" target="_blank">http://stackoverflow.com/questions/4800099/how-to-identify-multiple-usb-serial-adapters-under-ubuntu-10-1</a><br>
><br>
> Rgds,<br>
> Nandy<br>
><br>
><br>
> On Tue, Dec 18, 2012 at 9:03 PM, Dmitry Lysenko <<a href="mailto:dvl36.ripe.nick@gmail.com">dvl36.ripe.nick@gmail.com</a>><br>
> wrote:<br>
>><br>
>> Hi!<br>
>> Huawei USB modems does not have accessible via USB protocol serial<br>
>> numbers. At least E1550, E153 and E171.<br>
>> Best wishes,<br>
>> Dmitry.<br>
>><br>
>><br>
>> 2012/12/16 Nandy Dagondon <<a href="mailto:nandy1925@gmail.com">nandy1925@gmail.com</a>><br>
>>><br>
>>> Thanks for the feedback Giovanni. Re fixing the ttyUSB port assignment,<br>
>>> I have searched a guy made a script to scan USB serial numbers using udev,<br>
>>> then created symbolic links. Will try it out later.<br>
>>> /Nandy<br>
>>><br>
>>><br>
>>><br>
>>> On Thu, Dec 13, 2012 at 7:02 PM, Giovanni Maruzzelli <<a href="mailto:gmaruzz@gmail.com">gmaruzz@gmail.com</a>><br>
>>> wrote:<br>
>>>><br>
>>>> On Thu, Dec 13, 2012 at 4:44 AM, Nandy Dagondon <<a href="mailto:nandy1925@gmail.com">nandy1925@gmail.com</a>><br>
>>>> wrote:<br>
>>>> > I have run GSMOpen on CentOS 5.7 defying the Wiki advisory. Questions:<br>
>>>><br>
>>>> I would invite you to go for the OS distros detailed in the wiki page.<br>
>>>> You'll probably encounter problems with different distros, and you're<br>
>>>> on your own to solve it.<br>
>>>><br>
>>>> > 1. What is the maximum number of USB modems tested? Can we get the<br>
>>>> > numbers<br>
>>>> > and the CPU used?<br>
>>>><br>
>>>> I've heard about 48 concurrent, and 64. Me personally have tested with<br>
>>>> 5. No CPU consumption. The critical part is the USB BUS. So use<br>
>>>> cascading and POWERED good usb 2.0 hubs<br>
>>>><br>
>>>> > 2. I'll be installing multiple modems each connected to a different<br>
>>>> > mobile<br>
>>>> > network. Is the /dev/ttyUSB assignments constant for every modem?<br>
>>>> > Meaning<br>
>>>> > it doesn't change if I plug it on different USB jacks.<br>
>>>><br>
>>>> it will change not only if you change USB port, but also randomly if<br>
>>>> you stay on the same USB port and reboot (and sometimes also without<br>
>>>> rebooting). That's a "feature" of Linux distros (a demented one,<br>
>>>> cannot understand why they choose this behavior).<br>
>>>><br>
>>>> Soon or later I'll look into this, and come out with a solution (I've<br>
>>>> made some preliminary research and reasoning about in the past).<br>
>>>><br>
>>>> If you have a commercial interest in that, and a real budget for it,<br>
>>>> contact me in private as consultant, or put a public bounty on it.<br>
>>>><br>
>>>> -giovanni<br>
>>>><br>
>>>> --<br>
>>>> Sincerely,<br>
>>>><br>
>>>> Giovanni Maruzzelli<br>
>>>> Cell : <a href="tel:%2B39-347-2665618" value="+393472665618">+39-347-2665618</a><br>
>>>><br>
>>>><br>
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>>>><br>
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>>>><br>
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>>><br>
>><br>
>><br>
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>><br>
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>><br>
><br>
><br>
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><br>
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><br>
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><br>
<br>
<br>
<br>
--<br>
Sincerely,<br>
<br>
Giovanni Maruzzelli<br>
Cell : <a href="tel:%2B39-347-2665618" value="+393472665618">+39-347-2665618</a><br>
<br>
_________________________________________________________________________<br>
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<br>
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<br>
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</div></div></blockquote></div><br></div>