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5 Floating
6 DDC Clock
7 DDC Data
8 Floating
9 TMDS RX1-
10 TMDS RX1+
11 TMDS Ground
12 Floating
13 Floating
14 +5 V power
15 Self test
16 Hot Plug Detect
17 TMDS RX0-
18 TMDS RX0+
19 TMDS Ground
20 Floating
21 Floating
22 TMDS Ground
23 TMDS Clock+
24 TMDS Clock-
Plug and Play Capability
You can install the monitor in any Plug and Play compatible system. The monitor automatically provides the computer with its Extended Display Identification
Data (EDID) using Display Data Channel (DDC) protocols so that the system can configure itself and optimize the monitor settings. Most monitor installations
are automatic. You can select different settings if required.
Flat Panel Specifications
Model number Dell S2240M monitor Dell S2340M monitor
Screen type Active matrix - TFT LCD Active matrix - TFT LCD
Panel Type IPS IPS
Screen dimensions
54.61 cm (21.5 inches) (21.5-inch viewable
image size)
58.42 cm (23 inches) (23-inch wide viewable
image size)
Preset display area:
Horizontal
Vertical
476.06 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 mm
Viewing angle
Horizontal
Vertical
178 ° typical
178 ° typical
178 ° typical
178 ° typical
Luminance 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