First, what modem are you installing?
Second, are you using a DB9 to DB25 cable?
Third, are you using the right cable?
Take the same modem and cable and connect it to a Windows machine. If you can see the modem under Windows then the cable is OK. If not you need a different cable.
Hylafax takes 2 minutes to install. No more. Check
www.chaloner.ca.
Chaloner Hale