User manual

KINO-QM770 Mini-ITX SBC
Page 35
Figure 3-17: RS-232 Serial Port Connector Location
Pin Description Pin Description
1 -NDCD2 6 -NCTS2
2 -NDSR2 7 -NDTR2
3 NSIN2 8 -XRI2
4 -NRTS2 9 GND
5 NSOUT2 10 GND
Table 3-18: Serial Port Connector Pinouts
3.2.17 RS-422/485 Serial Port Connector (COM3)
CN Label: COM3
CN Type:
4-pin wafer
CN Location:
See Figure 3-18
CN Pinou
ts:
See Table 3-19
This
connector provides RS-422 or RS-485 communications.