3Com U.S. Robotics 56K Voice User Manual page 21

5. In the "Modems Properties" screen, you should see a description for
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 "If Plug and
Play Does Not Detect Your Modem" 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
below. 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 15