Advantech PCM-3350 Series user manual COM1 connector CN3, COM2 connector CN4

C.3 COM1 connector (CN3)

	2	4	6	8	10
	1	3	5	7	9
Table C-3: COM1 connector (CN3)
Pin	Signal	Pin			Signal
1	RLSD	2			DSR
3	RX	4			RTS
5	TX	6			CTS
7	DTR	8			RI
9	GND	10			NC

C.4 COM2 connector (CN4)

1

3

5

7

9

2

4

6

8

10

Table C-4: COM2 connector (CN4)

Pin	Signal	Pin	Signal
1	RLSD	2	DSR
3	RX	4	RTS
5	TX	6	CTS
7	DTR	8	RI
9	GND	10	NC

6 8 PCM-3350 User's Manual