Aaeon PCM-6894, Руководство пользователя

Страница: 33 / 70

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