Com3 Rs-232 Connector (Com3) - Aaeon PFM-CVS Manual

P C / 1 0 4 M o d u l e
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5
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2.27 COM3 RS-232 Connector (COM3)

Pin
1
2
3
4
5
6
7
8
9
N.C
A (Data+)
N.C
N.C
+5V/+12V
GND
Pin Name
DCD3
DSR3
RXD3
RTS3
TXD3
CTS3
DTR3
RI3
GND
P F M - C V S R e v . B
I/O
PWR
GND
Signal Type
IN
IN
IN
OUT
OUT
IN
OUT
IN
GND
Chapter 2 Quick Installation Guide
±5V
+5V/+12V
Signal Level
±9V
±9V
±9V
2-27