Fw: ISDN USB Modem-Mr.Rudolf

[Rudolf Ladyzhenskii]

Hi,

When you load ACm drivers, it should come up with the message, something like "ttyACM0: USB ACM Device". If ACM driver does not pick it up, then your modem is not an ACm device. ACM driver picks up any USB device that is a "COMM CLASS". May be try to read the device description out of device and decode it to see if modem declares itself as USB COMM device.

For a test, you can also modify ACM driver to include your D-Link modem. Go to acm_ids[] array and add entry for D-Link modem.
USB_DEVICE (0x0403, 0x8372). This will load the driver, and you find it does not work, then modem is not ACM device.

Rudolf

-----Original Message-----
From: Harry [mailto:hari76 at omantel.net.om]
Sent: Tuesday, May 18, 2004 4:05 PM
To: General Red Hat Linux discussion list
Subject: Re: Fw: ISDN USB Modem-Mr.Rudolf


Hi,

>>I do not know about those particular modems, but we have Open Networks
>>    
>>
>ISDN modem here and it works fine with ACM.
>  
>
>>Realy, those should not be different from normal dial-up modems except for
>>    
>>
>a few more AT commands and few more settings.
>  
>
>>In your case, does PC detect a modem? Check /proc/bus/usb/devices and
>>    
>>
>/proc/bus/usb/drivers to see what devices you have connected and what
>drivers are loaded.
>  
>
>>Another thing is that modem is detected by ACM as ttyACM0. May be you do
>>    
>>
>not have corresponding node in the /dev?
>  
>
>>Rudolf
>>
>>-----Original Message-----
>>From: Harry [mailto:hari76 at omantel.net.om]
>>Sent: Monday, May 17, 2004 9:42 PM
>>To: General Red Hat Linux discussion list
>>Subject: ISDN USB Modem
>>
>>
>>    
>>
>  
>
Hi Rudolf,
Thank you for taking interest in this, well I looked into 
/proc/usb/devices and this is the output of the modem that it has detected,
P:  Vendor=0403 ProdID=8372 Rev= 1.01
S:  Manufacturer=FTDI
S:  Product=D-Link ISDN TA DMI-128ESU
S:  SerialNumber=TM000226
C:* #Ifs= 1 Cfg#= 1 Atr=20 MxPwr= 60mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=serial
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 6
B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0

But it does not load the drivers for this, hence i do insmod and load 
the acm.o module.
Now what am I to do after this is where I am stuck. I also put this 
entry in modules.conf  alias ISDN acm.o,  i am not sure if this 
right,but I have still done that.Pls let me know how do I now configure 
the dialer?

Regards
Harry



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