
Appendix A Serial Port Settings
A.1 COM1/ COM3 Connector Definition
| 1 | 5 | 
| 6 | 9 | 
| Pin | Signal | 
| 1 | NDCD | 
| 2 | NRX | 
| 3 | NTX | 
| 4 | NDTR | 
| 5 | GND | 
| 6 | NDSR | 
| 7 | NRTS | 
| 8 | NCTS | 
| 9 | NRI | 
A.2 COM4 Setting
The serial port COM4 on the 
| 40 | 

| 1 | 5 | 
| 6 | 9 | 
| Pin | Signal | 
| 1 | NDCD | 
| 2 | NRX | 
| 3 | NTX | 
| 4 | NDTR | 
| 5 | GND | 
| 6 | NDSR | 
| 7 | NRTS | 
| 8 | NCTS | 
| 9 | NRI | 
The serial port COM4 on the 
| 40 |