ISDN Terminal Adapter
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Product Manuals
Simple, step-by-step instructions to connect, install, and register your USRobotics product.

  • USRobotics ISDN TA Manual (PDF)
Note: Microsoft Windows 2000 and Windows XP includes drivers for many U.S. Robotics modem products. Click here to see a list of drivers included. Check back periodically for updates if your driver is not included in either version of Windows or if it does not appear on this page.

ISDN Pro Terminal Adapter (3CP3468A)
Windows 2000 installation file
Copy this file onto a blank 3.5-inch disk. Click Windows Start, point to Settings, and click Control Panel. Double click Phone and Modem Options, click the Modem tab and remove all instances of the ISDN Pro T/A. Connect the ISDN Pro T/A to a USB port. If installing the ISDN Pro T/A on a serial port you'll need to restart your PC. Windows 2000 will install the ISDN Pro T/A as a Standard Modem. In the Device Manger, double click Standard Modem, click the Driver tab then click Update Driver. In both cases, direct the New Hardware Wizard to the 3.5-inch disk drive to complete the installation. This file should not be used with any other products.
usrprota.inf10007 bytes 03-02-01

U.S.Robotics ISDN TA (3CP3468)
This file contains an updated version of the ISDN Control Center version 3.2, new firmware, and driver files. Download and save to your c:\ drive and execute. Print and follow the readme file that will be launched after the extraction is complete.
ud3468.exe8075264 bytes 11-12-99