Advantech EKI-1521 - Pin Assignments; A.1 Pin Assignments; RS-232 Pin Assignments; RS-422;485 Pin Assignments

EKI-1521/1522/1524 User Manual 84
A.1 Pin Assignments
A.1.1 RS-232 Pin Assignments
A.1.2 RS-422/485 Pin Assignments
A.1.2.1 1. RS-422
A.1.2.2 2. RS-485
Pin # Description
1DCD
2Rx
3Tx
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Pin #. Description
1Tx-
4Tx+
5GND
7Rx+
9Rx-
Pin # Description
1Data-
4Data+
5GND