Com3 Connector (Cn11) - Aaeon PFM-540I Manual

P C / 1 0 4 C P U M o d u l e
7 RTS
9 RI/5V

2.20 COM3 Connector (CN11)

Pin Signal
1 DCD
3 TXD
5 GND
7 RTS
9 RI
2.21 Power Connector (CN12)
Pin
1
2
3
4
2.22 COM 2 Connector (CN13)
Pin Signal
1 DCD(485/422_TX-)
3 TXD(485/422_TX+)
5 GND
7
RTS
Chapter 2 Quick Installation Guide
8
10
Pin
2
4
6
8
10
Signal
+5V
GND
GND
+12V
Pin
2
4
6
8
2 - 16
P F M - 5 4 0 I R e v . B
CTS
N.C
Signal
RXD
DTR
DSR
CTS
N.C
Signal
RXD(422_RX+)
DTR(422_RX-)
DSR
CTS