System LCD display 100 Model of the display attached to this system [REQUIRED] cfa-533 cfa-631 cfa-633 cfa-635 sdec cfa-533 Crystalfontz CFA-533 cfa-631 Crystalfontz CFA-631 cfa-633 Crystalfontz CFA-633 cfa-635 Crystalfontz CFA-635 sdec Lanner, Watchguard, Nexcom NSA, Sophos UTM appliances ^(cfa-533|cfa-631|cfa-633|cfa-635|sdec)$ Physical device used by LCD display ttySx TTY device name, regular serial port ttyUSBx TTY device name, USB based ^(ttyS[0-9]+|ttyUSB[0-9]+)$