[RC232] I would like to know how to use the pins N°27 and 28 on the RC2500HP Pin 27 and 28 must be left open. Last Update: August 8, 2017 December 20, 2016 2091 RC232 Q&A Related Knowledge Base Posts -[RC232] “Is it possible to setup a maximum length for received packages in RC232? I am aware of TX packages can be configured to have a maximum package length. By being able to configure the maximum length of received packages, I can have a smaller rx buffer size to store it in while processing it. “[RC232] I want to know if you information about the transmission distance regarding the power RF level ?[RC232] What do you mean by peer-to-peer communication ?