Hi All,

I have the following USB Modem, as you can see below it appears to 
be Comm class but it isn't being claimed by the acm driver. But that
doesn't necessarily supprise me as the are other sub classes (I think)
of the comm class that aren't necessarily acm.

Anyway does the sub=80 and/or Prot=ff have any effect on whether the 
device will be claimed by the acm driver. I know its vendor specific 
if the class is ff is that also true for the prot setting or whether
there is something else that I'm missing.

Regards
Peter

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
D:  Ver= 1.00 Cls=02(comm.) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=07e1 ProdID=5201 Rev= 1.00
S:  Manufacturer=Ambient Technologies,Inc.
S:  Product=USB V.90 Modem
S:  SerialNumber=12345678
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=02(comm.) Sub=80 Prot=ff Driver=(none)
E:  Ad=81(I) Atr=02(Bulk) MxPS=  32 Ivl=  0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  32 Ivl=  0ms

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