Appendix A -
Pin-outs & connections
A.7 - Serial Port
Mating female connector (not included):
Type:
Female DB9 with 4/40 blocking screws
Pin-out Serial port (according to mode):
PIN
RS232
RS485
RS422
1
-
-
-
2
RXD
-
RX +
3
TXD
A +
TX +
4
-
-
-
5
GND
GND
GND
6
-
-
-
7
RTS
-
RX -
8
CTS
B -
TX -
9
-
-
-
Page 31 / 36
eWON 2005CD | IG 001