AAEON PCM-8120 User Manual
Page 33
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C o m p a c t B o a r d
P C M - 8 1 2 0
Chapter 2 Quick Installation Guide
2 - 20
2.27 COM1~COM4 Ports Connector (CN 11)
Pin Signal
Pin Signal
1 DCD1
2 DSR1
3 RXD1
4 RTS1
5 TXD1
6 CTS1
7 DTR1
8 RI1/+5V/+12V
9 COMGND
10
N.C.
11 DCD2(422TXD-/485DATA-) 12 DSR2
13 RXD2(422RXD+)
14 RTS2
15 TXD2(422TXD+/485DATA+) 16 CTS2
17 DTR2(422RXD-)
18 RI2/+5V/+12V
19 COMGND
20 N.C.
21 DCD3
22 DSR3
23 RXD3
24 RTS3
25 TXD3
26 CTS3
27 DTR3
28 RI3/+5V/+12V
29 COMGND
30 N.C.
31 DCD4
32 DSR4
33 RXD4
34 RTS4
35 TXD4
36 CTS4
37 DTR4
38 RI4/+5V/+12V
39 COMGND
40 N.C.
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