[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 2093 RC232 Q&A Related Knowledge Base Posts -[RC232] I get no more prompt when asserting/deasserting Config line. I use the M command in order to modify different settings.[RC232] What type of modulation type in the RC1190-RC232?[RC232] Can I reset the slave RF Modules by Master by sending a command through RF?