 
 
105 
Multi-4JA/PCI 
- RS485 Model 
1. RS485 Jumper Setting 
 
 
2. RJ45 JACK (*Not providing RS485 DB-type cable separately) 
 
 
3. Mode Change 
Select between non-echo mode and echo mode during the installation of the device 
driver. The default is non-echo mode. 
4. Connection