Used and tested working. Configs will need to be cleared. Unable to test serial port. P/N 140022 Touch Screen Panel, Protective Films Overlay, and LCD Display Repair Replacement Element Function (SEE PICTURE) A - Control button Function depends on the software used. B- Display Display operating and indication elements. C - Touch sensor Resistive touch: Detection of the actuation of the operating elements shown on the display. These devices are operated by touching the operating elements with your finger or with a stylus. D - SD slot 0 Slot for SD card. RJ45 The range of functions possible for each device is determined by means of license points that are uniquely assigned to the device concerned. Additional license points can be assigned to the device by means of license product papers (see Accessories XV license product papers). Licensing is carried out via the Internet at www.eaton-automation.com/license.Entering the license product paper and device series number on the web page provides you with the license code and a license confirmation via email for your production documents. You enter the license code via the licensing menu on the device and thus increase the number of internal license points on the device.