[Linux-usb-users] Problem

[Marchetti]

I've installed a Mandrake 7.2 on my computer, and a i have  Zyxel Omni.net USB ISDN Adapter. My system recognize the modem (it also enable power output to it), but i cannot make recognize it as a modem (or i'm not able to do that).Please i know it's a stupid question but this is the first time i try install a Linux System