Multi-Tech Systems MT128ZLX-NT - Manual (Page 113)

MultiMobile MT128ZLX User Guide 4: Windows NT Driver Procedures
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Uninstalling the MT128ZLX-ST/NT Drivers in Windows NT4
1. Go to Start | Settings | Control Panel. Click on the Network icon. At the Network dialog box, click on
the Services tab. Highlight Remote Access Service.
Click Properties.
2. The Remote Access Setup dialog box appears.
Highlight “ISDN1” and click Remove.