Multi-Tech Systems ISIHP-2S - Manual (Page 21)

Software/Driver Installation (Windows NT)
MultiModemISI Hybrid Series, ISIHP-2S/2U 21
3. The Install New Modem dialog box appears. From the Models
list, select Central Site Modems for the modems. Then click Next.
4. Select the ports that correspond to the last four ports of the ISIHP-
2S/2U card. Click Next. The modems install to the selected COM
ports.