Dell ST2220T User Manual

Monitor Specifications
The following sections give you information about the various power management modes and pin assignments for various connectors of your monitor.
Power Management Modes
If you have VESA's compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This
is referred to as Power Save Mode. If the computer detects input from keyboard, mouse, or other input devices, the monitor automatically resumes functioning.
The following table shows the power consumption and signaling of this automatic power saving feature:
Activate the computer and 'wake up' the monitor to gain access to the OSD.
Bottom view
Label
Description
1
Power cord connector
2
DVI connector
3
HDMI connector
4
VGA connector
5
Audio Line-in
6
USB upstream connector
VESA Modes
Horizontal Sync
Vertical Sync
Video
Power Indicator
Power Consumption
Normal operation and
USB active
Active
Active
Active
White
55 W (maximum)
Normal operation
Active
Active
Active
White
28 W (typical)
Active-off mode
Inactive
Inactive
Blanked
Amber
1 W
Switch off
-
-
-
Off
0.5 W
NOTE: The OSD functions in the 'Normal operation' mode. One of the following messages appears when the menu key is touched in Active-off mode.
or



Dell ST2220T Specifications

General

Pixel pitch	0.248 x 0.248 mm
Screen shape	Flat
Response time	8 ms
Display diagonal	21.5 \
Display brightness	250 cd/m²
Display technology	LCD
Touchscreen technology	Optical imaging
Contrast ratio (dynamic)	50000:1
Display number of colors	16.78 million colors
Display diagonal (metric)	54.6 cm
Certification	EPEAT Silver
Product color	Black
Ethernet LAN (RJ-45) ports	0
Display viewable area (HxV)	475.2 x 267.3 mm
Dimensions (W x D x H) with stand	528.1 x 58.5 x 380.1 mm
Cables included	DVI, USB, VGA
DVI-D ports quantity	1
USB upstream port type	USB Type-B
USB Type-A downstream ports quantity	3
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	1 W
Power consumption (typical)	28 W
Operating altitude	0 - 3658 m
Non-operating altitude	3658 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %
Package weight	7800 g
Wall mountable	No
Panel mounting interface	No mm
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	58.5 mm
Width (with stand)	528.1 mm
Height (with stand)	380.1 mm
Weight (with stand)	6300 g