Com2 (Cn22); Com3 Rs-232 Serial Port (Cn31) - Advantech PPC-L127T User Manual

A.4 COM2 (CN22)
Table A.4: COM2 (CN22)
Pin
1
2
3
4
5
6
7
8
9
A.5 COM3 RS-232 serial port (CN31)
Table A.5: COM3 RS-232 serial port (CN31)
Pin Signal
1 DCD
3 TxD
5 GND
7 RTS
9 RI
Signal RS-232
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
RS-422
TX-
TX+
RX+
RX-
GND
Pin Signal
2 RXD
4 DTR
6 DSR
8 CTS
29
RS-485
DATA-
DATA+
Appendix A