B&B Electronics 3PCIU4 - Manual (Page 55)

Installing Linux Driver Software
Manual Documentation Number 3PCIoUx-1008 Chapter 5 49
Figure 34. The Blank Application Window
6. Click File, Open . The Open Device dialog will appear.
Figure 35. The Open device dialog box
7. Type the name of the device in the File name box. The name will be
ttyM0, ttyM1, etc. Click Open.
The screen will change from gray to white and the name of the file
will appear at the top of the screen.