[RC232] Are the RC1140 and RC1240 compatible No. They are not compatible. Last Update: August 8, 2017 July 7, 2017 1478 RC232 Q&A Related Knowledge Base Posts -[RC232] How long does it connect to the network (makes connection)? Is it seconds or milliseconds?[RC232] How do I know if I am in config mode?[RC232] I’m not currently using flow control, and am having an issue in correctly identifying the start of each 64 byte packet. My understanding of CTR/RTS is that they wouldn’t help in this? Is there a signal that shows the start of each packet?