 
 
59 
Multi-4/LPCI VA1 
- RS422 Model 
 
1. 25 Pin Connector (Female) 
 
 
 
 
2. Mode Change 
Select between point-to-point mode and multi-drop mode during the installation of the 
device driver. The default is point-to-point. 
 
3. Connecting External point-to-point 
 
 
 
4. Connecting multi-drop