3Com U.S. Robotics 56K Voice User Manual page 25

5. In the "Modems Properties" screen, you should see a description of
your modem.
This means the installation was a success. Click OK.
If you do not see your modem listed in the preceding screen, the Plug
and Play installation was unsuccessful. Please refer to the "If Plug and
Play Does Not Detect Your Modem" section on page 37.
6. Next, click the Diagnostics tab at the top of the "Modems Properties"
screen. Write down the COM setting for your modem in the space.
Your screen may show a different setting than that shown in the
following screen. You will need to know this setting when you install
your communications software.
COM Port_________
Internal Modem Installation with Windows 95
56K Voice Faxmodem Internal - User's Guide 19