Physical Characteristics - Dell ST2420L User Manual

VGA, 640 x 480
VGA, 640 x 480
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA. 1152 x 864
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1920 x 1080
Electrical
Model
Video input signals
Synchronization input signals
AC input voltage/frequency/current
Inrush iso surge current

Physical Characteristics

Model
Connector type
Signal cable type
31.469 59.940
37.500 75.000
37.879 60.317
46.875 75.000
48.363 60.004
60.023 75.029
67.500 75.000
64.000 60.000
79.976 75.025
67.500 60.000
ST2420L/ST2421L
Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75 ohm input impedance
Digital DVI-D TMDS, 600mV for each differential line, positive polarity at 50 ohm input
impedance
HDMI, 600mV for each differential line, 100 ohm input impedance per differential pair
Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG
(Composite SYNC on green)
100 to 240 VAC/50 or 60 Hz + 3 Hz/2.0A (Max.)
120 V: 30 A (Max.)
240 V: 60 A (Max.)
ST2420L/ST2421L
D-sub: Blue connector
DVI-D: White connector
HDMI
D-sub: Detachable, Analog, 15 pin, shipped attached to the monitor
DVI-D
HDMI
25.2 -/-
31.5 -/-
40.0 +/+
49.5 +/+
65.0 -/-
78.8 +/+
108.0 +/+
108.0 +/+
135.0 +/+
148.5 +/+