Com Port Connector (Cn8) - Advantech PCM-3341 Series User Manual

C.8 4 COM Port connector (CN8)
1 3
2 4
Table C.8: 4 COM Port connector (CN8)
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
PCM-3341 User's Manual
Signal
DCD1
RX1
TX1
DTR1
GND
DCD2
RX2
TX2
DTR2
GND
DCD3
RX3
TX3
DTR3
GND
DCD4
RX4
TX4
DTR4
GND
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
74
37 39
38 40
Signal
DSR1
RTS1
CTS1
RI1
GND
DSR2
RTS2
CTS2
RI2
GND
DSR3
RTS3
CTS3
RI3
GND
DSR4
RTS4
CTS4
RI4
GND