Microsoft KB Archive/152336

= Microsoft Knowledge Base =

How to Set Up the 3Com Impact for Dual-Channel ISDN
Last reviewed: October 7, 1997

Article ID: Q152336

The information in this article applies to:


 * The Microsoft Network versions 1.2, 1.3, 2.0, 2.5

SUMMARY
This article describes how to set up the 3Com Impact IQ ISDN modem for dual- channel access to MSN, The Microsoft Network.

MORE INFORMATION
The following procedure works with version 2021 of the 3Com Impact IQ. You may obtain the latest 3Com drivers from the 3Com Impact web site. To enable dual-channel settings for the 3Com Impact, follow these steps:

 Click Start, point to Settings, and then click Control Panel. Double-click Modems. Click the 3Com Impact IQ modem, and then click Properties. On the Connection tab, click Advanced.  To connect at 112,000 bps, type the following string in the Extra Settings box: S60=56 S61=2 S71=1 S80=1 If you cannot connect with the previous string, try the following string without spaces: \Q3S60=56S70=0S71=1S80=1 To connect at 128,000 bps, type the following string in the Extra Settings box: S60=64 S61=2 S71=0 S80=1 If you cannot connect with the previous string, try the following string without spaces: \Q3S60=64S70=0S71=1S80=1  Click OK until you return to Windows.

If you experience difficulties using the 3Com Impact IQ modem, please call 3Com technical support.