
Appendix A Serial Port Settings
A.1 COM1/ COM2/ 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 | 
| 
 | 
 | 
| Note: | COM1 and COM2 only support  | 
| 
 | (Maximum baud rate: 115.2Kbps) | 
| 44 | 

| 1 | 5 | 
| 6 | 9 | 
| Pin | Signal | 
| 
 | 
 | 
| 1 | NDCD | 
| 
 | 
 | 
| 2 | NRX | 
| 
 | 
 | 
| 3 | NTX | 
| 
 | 
 | 
| 4 | NDTR | 
| 
 | 
 | 
| 5 | GND | 
| 
 | 
 | 
| 6 | NDSR | 
| 
 | 
 | 
| 7 | NRTS | 
| 
 | 
 | 
| 8 | NCTS | 
| 
 | 
 | 
| 9 | NRI | 
| 
 | 
 | 
| Note: | COM1 and COM2 only support  | 
| 
 | (Maximum baud rate: 115.2Kbps) | 
| 44 |