User guide
14
Chapter 2 - Hardware Installation
7. Install the ISI card in the selected expansion slot in the same manner as any other add-on card according
to your computer’s documentation.
8. Fasten retaining bracket to computer chassis and replace the cover.
9. Connect the ISI to your ISDN telephone wall jack(s) with the provided modular telephone cable.
10. Turn on power to the computer. Now you are ready to install software.
NT1
Device
ISIHP
-2S
U Interface
S Interface
S/T Interface
ISDN line enters
building
Figure 2-2. ISDN Interfaces at Customer Premises
Note: The ISIHP and ISIHI communicate over ISDN lines. If you don’t have a standard modular jack near your
computer, you should install one or have one installed by your telephone company. In the US, installation kits
and adapters are available wherever telephones are sold.
Note: If S/T-interface ISDN network connection cable is used, the ISDN phone cord should be connected
between the ISDN network connection cable and the NT1 device. If the S/T-interface model (ISIHP-2S, -4S, or
4SD, or ISIHI-2S) is used, then the S/T-interface must be connected to the S-interface on the NT1 device.