[RC232] Are the RC1140 and RC1240 compatible No. They are not compatible. Last Update: August 8, 2017 July 7, 2017 1577 RC232 Q&A Related Knowledge Base Posts -[RC232] Is full-duplex scheme feasible with the modules?[RC232] Actually we want to change the SID of a gateway which is already installed. How to change the SID?[RC232] Does the module comply with EN 2010:62479?