Advantech PPC-S155T, User Manual

Page: 61 / 66

49 PPC-S155T User Manual
Appendix A
P
in Assignments
A.12 COM1
A.13 COM2
Table A.12: COM1
Pin Signal
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
5
4
3
2
1
9
8
7
6
Table A.13: COM2
Pin Signal
RS-232 RS-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+ ---
4 DTR RX- ---
5 GND GND ---
6 DSR --- ---
7 RTS --- ---
8 CTS --- ---
9 RI --- ---
1 5
9 6
3 2 4
7 8