Manual

ECN-680A-H61 Embedded System
Page 50
5 NSOUT2 10 N/A
Table 4-7: Serial Port Connector Pinouts (COM2)
Pin Description Pin Description
1 -NDCD3 6 -NCTS3
2 -NDSR4 7 -NDTR3
3 NSIN3 8 -XRI3
4 -NRTS3 9 GND
5 NSOUT3 10 N/A
Table 4-8: Serial Port Connector Pinouts (COM3)
4.2.7 RS-422/485 Serial Port Connector
CN Label: COM4
CN Type:
8-pin header
CN Location: See Figure 4-9
CN Pinouts: See Table 4-9
This connector provides RS-422 or RS-485 communications.
Figure 4-9: RS-422/485 Serial Port Connector Location
Pin Description Pin Description
1 RXD485# 2 N/A
3 RXD485 4 N/A