[WBEL-users] USB modem question

[Jean Lee]

Jim Bodkikns (Dakotacom) wrote:

> First the - partial - contents of /proc/bus/usb/devices (I think)
>
> T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
> D:  Ver= 1.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs=  1
> P:  Vendor=0baf ProdID=00ec Rev= 0.01
> S:  Manufacturer=U.S. Robotics
> S:  Product=U.S. Robotics 56K Faxmodem USB
> S:  SerialNumber=USBHCF00000006
> C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=150mA
> I:  If#= 0 Alt= 0 #EPs= 8 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=03(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=83(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=84(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
>
>
>   I purchased a U.S. Robotics USB modem (usr5633a), which may have 
> been a mistake. If I understand this, the line above that says 
> Cls=ff(vend.) means that ACM cant be used and absent a driver from the 
> vendor, I am screwed.
>
>
>   Is this correct, or has someone used the usr5633a? (I think I'm 
> screwed)
>
> Jim
>
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>
>
Hi,

Because there is nothing really standard with USB modems,  you need a 
driver which is often supplied by the vendor . The problem is that most 
vendor don't provide the Linux driver but only the Windows driver.
With Linux, I think it is better to buy an Ethernet modem because you 
don't need any driver.

Ask your vendor, perhaps there is a third party vendor which  provides 
the drivers for Linux (possibly not free).
Take a look a linux-usb.org and ask in a mailing list.

Hope this helps,

Jean Lee