hi if i unplug my usb modem the mx works fine but when modem is pluged in windows makes the sound to say a usb device has been unplugged is there anyway torun the mx straight from the serial port. thanks for any help

just fitted an mx212 to computer running xp home and wow what apiece of kit buuuuut when i also have my alcatel usb adsl modem connected my mx212 slowly dies as though it has been unplugged.after reboot it works ok for a little while then dies again.there are no conflicts showing in device manager ...