HDMI Connector

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

19-pin Side of the Connected Signal Cable

TMDS DATA 2+

TMDS DATA 2 SHIELD

TMDS DATA 2-

TMDS DATA 1+

TMDS DATA 1 SHIELD

TMDS DATA 1-

TMDS DATA 0+

TMDS DATA 0 SHIELD

TMDS DATA 0-

TMDS CLOCK

TMDS CLOCK SHIELD

TMDS CLOCK-

CEC

Reserved (N.C. on device)

DDC CLOCK (SCL)

DDC DATA (SDA)

DDC/CEC Ground

+5V POWER

HOT PLUG DETECT

Flat Panel Specifications

Model

ST2420L/ST2421L

 

 

Screen type

Active matrix - TFT LCD

 

 

Panel type

TN

 

 

Screen dimensions

60.97cm (24 inches) (24-inch viewable image size)

 

 

Preset display area:

 

Horizontal

531.36 mm (20.92 inches)

Vertical

298.89 mm (11.77 inches)

 

 

Pixel pitch

0.277 mm

 

 

Viewing angle

160° (vertical) typical, 170° (horizontal) typical

 

 

Luminance output

250 CD/m² (typical)

 

 

Contrast Ratio

1,000:1 (typical)

 

 

 

ST2420L: 8,000,000 to 1*

Dynamic Contrast Ratio

 

 

ST2421L: 7,000,000 to 1*

 

 

Faceplate coating

Antiglare with hard-coating 3H

 

 

Backlight

LED light bar system

 

 

Response Time

5 ms typical

 

 

Color Depth

16.7 mil colors

 

 

Color Gamut

81 %**

 

 

* Based on estimation

 

** ST2420L/ST2421L Color Gamut (Typical) is based on CIE1976 (81 %) and CIE1931 (68 %).

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Dell ST2421LB, ST2420LB appendix Flat Panel Specifications, Model ST2420L/ST2421L