Dell D2421H Manuale d'uso - Pagina 15
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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, 1600 x 900
VESA, 1920 x 1080
VESA, 1920 x 1200
VESA, 2560 x 1440
Electrical Specifications
Model number
Video input signals
Synchronization
input signals
AC input voltage /
frequency / current
Inrush current
Model number
Video input signals
Synchronization
input signals
37.9
46.9
48.4
60.0
67.5
64.0
80.0
60.0
67.5
74.0
88.8
D2421H
• Analog RGB: 0.7 V ± 5 %, 75 ohm input impedance
• HDMI 1.4 (HDCP 1.4), 150 mV=<Vp-p=<1560 mV 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 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 0.8 A (typical)
120 V: 30 A (Max.)
240 V: 60 A (Max.)
D2721H
• Analog RGB: 0.7 V ± 5 %, 75 ohm input impedance
• HDMI 1.4 (HDCP 1.4), 150 mV=<Vp-p=<1560 mV 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)
60.3
40.0
75.0
49.5
60.0
65.0
75.0
78.8
75.0
108.0
60.0
108.0
75.0
135.0
60.0
108.0
60.0
148.5
60.0
154.0
60.0
241.5
About Your Monitor
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