![](/images/new-backgrounds/1202777/202777107x1.webp)
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 |