OXY5320A 3.5” SBC User’s Manual V1.2
www.perfectron.com
COM1: RS232/422/485 with +12V/+5V selection
Pin RS-232
RS-422
Half Duplex RS-485
1
DCD
TX-
DATA-
2
RXD
RX+
NA
3
TXD
TX+
DATA+
4
DTR
RX-
NA
5
GND
GND
GND
6
DSR
NA
NA
7
RTS
NA
NA
8
CTS
NA
NA
9
+5V/+12V/RI +5V/+12V/NA +5V/+12V/NA
COM2, COM3, COM4: RS232 with +12V/+5V selection (1x10 pin Wafer)
Pin Definition
1
+CM_P1 DCD
2
CM_DSR
3
CM_RXD
4
CM_RTS
5
CM_TXD
6
CM_CTS
7
CM_DTR
8
+CM2_P9 RI
9
GND
10 +5VIO
COM5: RS232
Pin Definition
1
+CM_P1 DCD
2
CM_DSR
3
CM_RXD
4
CM_RTS
5
CM_TXD
6
CM_CTS
7
CM_DTR
8
+CM_P9 RI
9
GND
10 +5VIO
16