[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 2593 RC232 Q&A Related Knowledge Base Posts -[RC232] I discover that when I start the system, CONFIG pin is low and UART is not initialised. I think it is a mistake and can create some problems. Can you comfirm?[RC232] Are the Settings made during Configuration persistent, or do these settings need to be made each time the device is powered on ?[RC232] “We use the RC1280HP would like to know if an LNA could help improving the Rx signal of the RC1280HP. Could you give us some advice on that? “