Com1~ Com4 Ports Connector (Cn11) - Aaeon PCM-8120 Manual

C o m p a c t B o a r d
2.27 COM1~COM4 Ports Connector (CN 11)
Pin Signal
1 DCD1
3 RXD1
5 TXD1
7 DTR1
9 COMGND
11 DCD2(422TXD-/485DATA-) 12
13 RXD2(422RXD+)
15 TXD2(422TXD+/485DATA+) 16
17 DTR2(422RXD-)
19 COMGND
21 DCD3
23 RXD3
25 TXD3
27 DTR3
29 COMGND
31 DCD4
33 RXD4
35 TXD4
37 DTR4
39 COMGND
Chapter 2 Quick Installation Guide
Pin
2
4
6
8
10
14
18
20
22
24
26
28
30
32
34
36
38
40
2 - 20
P C M - 8 1 2 0
Signal
DSR1
RTS1
CTS1
RI1/+5V/+12V
N.C.
DSR2
RTS2
CTS2
RI2/+5V/+12V
N.C.
DSR3
RTS3
CTS3
RI3/+5V/+12V
N.C.
DSR4
RTS4
CTS4
RI4/+5V/+12V
N.C.