FAQ000241294
11 August 2022
Modbus serial port in ZBRN2 is an RS-485, 2 wire and common Modbus serial line using a RJ45 connector.
The following figure shows the layout of RJ45 connector.
Refer to Page 6/7 in the link -
https://download.schneider-electric.com/files?p_Doc_Ref=S1B8794101&p_enDocType=Instruction+sheet&p_File_Name=S1B8794101_07.pdf
