IBM 19K5716 manual Installing the device drivers in Windows NT 4.0

8.The next panel shows you what resources are available on your computer and how many adapters you have installed. Since Windows NT 4.0 is not a plug- and-play operating system, assigning free resources can be complicated.

9.In the next window, select the appropriate D-channel protocol for your ISDN line. For newer ISDN lines in Europe, select DSS1, the Euro-ISDN D-channel protocol. NI-1 and 5ESS are D-channel protocols used in the United States of America. 1TR6 is the older national D-channel protocol for Germany.

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