In the 2 directories reside the files for installing both the MTPRI card and the 5634HD8/16 modem cards in a NT 40 RAS card segment. Install the PRI card first followed by the modems. The install readme's are in the install directories. The install readme for the pri card is in the PRIDRV directory and is called "NT4DRV.TXT", the file for the modems is in the NT9600 directory and is called "README.TXT". Install the pri drivers, make sure the system comes up with the ports in remote access, then continue with the modem install.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.