Com1, Com2, Com3, & Com4(Cn26) - Aaeon PCM-6892 Manual

PCM-6892
COM1, COM2, COM3, & COM4 (CN26)
Pin Signal
1 DCD1
3 RXD1
5 TXD1
7 DTR1
9 GND
11
DCD2(485DATA-/422TXD-)
13 RXD2(422RXD+) 14
15
TXD2(485DATA+/422TXD+)
17 DTR2(422RXD-) 18
19 GND
21 DCD3
23 RXD3
25 TXD3
27 DTR3
29 GND
31 DCD4
33 RXD4
35 TXD4
37 DTR4
39 GND
3 0 PCM-6892 Installation Guide
Pin Signal
2 DSR1
4 RTS1
6 CTS1
8 RI1
10 N.C
12 DSR2
RTS2
16 CTS2
RI2
20 N.C
22 DSR3
24 RTS3
26 CTS3
28 RI3/+5V/+12V
30 N.C
32 DSR4
34 RTS4
36 CTS4
38 RI4/+5V/+12V
40 N.C
BC-