12.1” TFT LCD Display with VGA Interface & optional Touchscreen Complete Keypad LCD Backlight Switch LCD Brightness VR Power Indicator Aluminum Panel Compliant with NEMA 4/IP 65 Dust Protection Door PS/2 KB/Mouse Connector Figure 1.1: Front panel layout OSD Keypad Rear PS/2 KB/Mouse Connector To PC KB/Mouse Connector Display VGA Connector Power Switch Power Input Connector Touch Screen RS-232 Connector (FPM-3220T-T only) Figure 1.2: Rear chassis layout FPM-3220 User’s Manual 4 5 Chapter 1 Introd