5 Floating6 DDC Clock7 DDC Data8 Floating9 TMDS RX1-10 TMDS RX1+11 TMDS Ground12 Floating13 Floating14 +5 V power15 Self test16 Hot Plug Detect17 TMDS RX0-18 TMDS RX0+19 TMDS Ground20 Floating21 Floating22 TMDS Ground23 TMDS Clock+24 TMDS Clock-Plug and Play CapabilityYou can install the monitor in any Plug and Play compatible system. The monitor automatically provides the computer with its Extended Display IdentificationData (EDID) using Display Data Channel (DDC) protocols so that the system can configure itself and optimize the monitor settings. Most monitor installationsare automatic. You can select different settings if required.Flat Panel SpecificationsModel number Dell S2240M monitor Dell S2340M monitorScreen type Active matrix - TFT LCD Active matrix - TFT LCDPanel Type IPS IPSScreen dimensions 54.61 cm (21.5 inches) (21.5-inch viewableimage size)58.42 cm (23 inches) (23-inch wide viewableimage size)Preset display area:HorizontalVertical476.06 mm (18.76 inches)267.78 mm (11.85 inches)509.18 mm (20.05 inches)286.41 mm (11.28 inches)Pixel pitch 0.248 mm 0.265 mmViewing angleHorizontalVertical178 ° typical178 ° typical178 ° typical178 ° typicalLuminance output 250 cd/m² (typical) 250 cd/m² (typical)Contrast ratio 1,000 to 1 (typical) 1,000 to 1 (typical)Dynamic Contrast Ratio 8,000,000 to 1 (typical) * 8,000,000 to 1 (typical) *Faceplate coating Glare with hard-coating 3H Glare with hard-coating 3H