46 Rockwell Automation Publication 2080-UM002G-EN-E - March 2015
Chapter 4 Wire Your Controller
Embedded Serial Port
Pinout table
Pin Definition RS-485 Example RS-232 Example
1 RS-485+ B(+) (not used)
2 GND GND GND
3 RS-232 RTS (not used) RTS
4 RS-232 RxD (not used) RxD
5 RS-232 DCD (not used) DCD
6 RS-232 CTS (not used) CTS
7 RS-232 TxD (not used) TxD
8 RS-485- A(-) (not used)
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