Advantech MIC-3318 manual COMport 2F-CN3, 2F-CN5, 2F-CN4,2F- CN6

B.5 COMport (2F-CN3, 2F-CN5, 2F-CN4,2F- CN6)

1 2 3 4 5

6 7 8 9

For front panel (2F-CN3 ,2F-CN5)

6 9

1 5

For external connection to 3F (2F-CN4, 2F-CN6)

Table B-5: COM port pin definitions

PIN	RS-232	RS-422	RS-485
1	NDCD	TX-	D-
2	NRX	TX+	D+
3	NTX	RX+
4	NDTR	RX-
5	GND
6	NDSR
7	NRTS
8	NCTS
9	NRI

7 0 MIC-3318 User's Manual