User's Manual

Table Of Contents
EKI-1361 & EKI-1362 Series User Manual 16
2.2.5 Serial Connection
EKI-1361 & EKI-1362 Series provides up to two DB9 (male) connectors. RS-232/
422/485 pin assignments as below:
Figure 2.14 DB9 Pin Assignment
Pin 1 2 3 4 5 6 7 8 9
RS-232 DCD RX TX DTR GND DSR RTS CTS RI
RS-422 TX- TX+ GND RX+ RX-
RS-485 DATA- DATA+ GND
RS-485
(4-wire)
TX- TX+ GND RX+ RX-
1
9
6
5