Advantech PPC-140, PPC-120 manual COM2

COM2

1 2 3 4 5

15

6 9

6 7 8 9

Table D-20: COM2

Pin	Signal
	RS-232	RS-422	RS-485
1	DCD	TX-	DATA-
2	RX	TX+	DATA+
3	TX	RX+	---
4	DTR	RX-	---
5	GND	GND	---
6	DSR	---	---
7	RTS	---	---
8	CTS	---	---
9	RI	---	---

170PPC-120/140 User’s Manual