
Name of Parts and What They Do
<Left side on the back of the display>
| 18 | 19 | 20 | 
 | 
| 17 | 
 | 21 | |
| 
 | 
 | ||
| 16 | 
 | 
 | 22 | 
| 16 | COM3 port | Connect device such as customer display, etc. | 
| 17 | COM2 port | Connect device such as printer, etc. | 
| 18 | COM1 port | Connect device such as printer, etc. | 
| 19 | Drawer port for 24 V | Connect the drawer cable. | 
| 20 | Drawer port for 5 V | Connect the drawer cable. | 
| 21 | DC jack | Connect the AC adaptor. | 
| 22 | USB (host) port | Connect the USB device. | 
