eWON
2101CD™
Installation Guide
ver 1.6
page 31 of 34
8.5 Serial Port
Mating female connector (not included):
Pinout serial port (according to mode):
Type
Female DB9 with 4/40 blocking screws
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
-
-
-
Table 18: Pinout serial port