Multi-Tech Systems ISIHP-2U - Manual (Page 54)

Software/Driver Installation
54 MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD
11. The Searching for TA dialog box appears. Click Next.
The next dialog box specifies the TA that has been identified.
12. The Configuration dialog box appears. If you have questions
about choices, click Help. After entering information in each
dialog box, click Next.