Multi-Tech Systems ISIHP-2S - Manual (Page 19)

Software/Driver Installation (Windows NT)
MultiModemISI Hybrid Series, ISIHP-2S/2U 19
7. The Install New Modem dialog box appears. Select the ports that
correspond to the first four ports of the ISIHP-2S/2U card. Any
ports that existed prior to installing the ISIHP-2S/2U appear first in
the list of available COM ports. Click Next. The terminal adapters
(screen displays modems) install to the selected COM ports.
8. After the terminal adapters install, click Finish to return to the
General tab to view COM port assignments (and make changes if
necessary). Now you are ready to install the modems.