Com Port Connector (Cn11) - Advantech PCM-9581 User Manual

B.19 COM Port Connector (CN11)
Table B.19: COM Port Connector (CN11)
Pin Signal
1 COM1 DCD
3 COM1 RX
5 COM1 TX
7 COM1 DTR
9 GND
11 COM2 DCD/485TX-
13 COM2 RX /485TX+
15 COM2 TX /485RX+
17 COM2 DTR/485RX-
19 GND
21 COM3 DCD
23 COM3 RX
25 COM3 TX
27 COM3 DTR
29 GND
31 COM4 DCD
33 COM4 RX
35 COM4 TX
37 COM4 DTR
39 GND
PCM-9581 User's Manual
Pin Signal
2 COM1 DSR
4 COM1 RTS
6 COM1 CTS
8 COM1 RI
10 GND
12 COM2 DSR
14 COM2 RTS
16 COM2 CTS
18 COM2 RI
20 GND
22 COM3 DSR
24 COM3 RTS
26 COM3 CTS
28 COM3 RI
30 GND
32 COM4 DSR
34 COM4 RTS
36 COM4 CTS
38 COM4 RI
40 GND
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