群晖synology的CONSOLE口接线图
https://www.netbsd.org/ports/sandpoint/instSynology.html

| Pin number | Function |
| 1 | 3.3V |
| 2 | GND |
| 4 | TX |
| 6 | RX |
Synology DS-1520+ 串口TTL线接法:115200, 8,N,1

DS-1515+ CONSOLE口:

https://www.netbsd.org/ports/sandpoint/instSynology.html

| Pin number | Function |
| 1 | 3.3V |
| 2 | GND |
| 4 | TX |
| 6 | RX |
Synology DS-1520+ 串口TTL线接法:115200, 8,N,1

DS-1515+ CONSOLE口:
