2.4.7
COM Port 3, Port 4 Dual Header (CN8)
P in
P in
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Chapter 2 – Hardware Information
R S-232
P in Name
Sig nal Type
DCD
IN
RX
IN
TX
OUT
DTR
OUT
GND
GND
DSR
IN
RTS
OUT
CTS
IN
RI
IN
NC
Sig nal Level
±5V
±5V
±5V
19