ISDN USB Modem

[Harry]

Hey All,

I am trying to configure my ISDN USB TA adapter modem in Fedora, I have 
two of them one Asuscom TA 280 and the other is Dlink DM128ESU, I have 
done loads of googling but cant get any where. All i know is they do 
work with Fedora, as I have read it at isdn-usb.org that all USB 
Terminal adapters work with the acm.o module. I have tried loading this 
module but still cant get the Modem to respond. Any one who has done 
this successfully?Pls let me know.
Looking forward to hear from you all...Thanks in adavnce

Harry