Serial Port 1/2/3/4 Connector(Cn12) - Aaeon PCM-6894 User Manual

PCM-6894
Serial Port 1/2/3/4 Connector (CN12)
The PCM-6894 offers three RS-232 serial ports and one RS-232/422/
485 serial port to connect serial devices. Using the BIOS Peripheral
Setup program, you can select the address for each port or disable
it. Please check the following table for the pin assignment.
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
2 2 PCM-6894 User Manual
Signal
DCD1
RXD1
TXD1
DTR1
GND
DCD2
RXD2
TXD2
DTR2
GND
DCD3
RXD3
TXD3
DTR3
GND
DCD4
RXD4
TXD4
DTR4
GND
BC-599/596
Pin Signal
2 DSR1
4 RTS1
6 CTS1
8 RI1
10 N.C.
12 DSR2
14 RTS2
16 CTS2
18 RI2
20 N.C.
22 DSR3
24 RTS3
26 CTS3
28 RI3
30 N.C
32 DSR4
34 RTS4
36 CTS4
38 RI4
40 N.C.