Dell ST2220 appendix DVI Connector, Pin Pin Side of the Connected Signal Number Cable

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Video-Red

Video-Green

Video-Blue

GND

Self-test

GND-R

GND-G

GND-B

Computer 5V/3.3V

GND-sync

GND

DDC data

H-sync

V-sync

DDC clock

DVI Connector

Pin	24-pin Side of the Connected Signal
Number	Cable

1TMDS RX2-

2TMDS RX2+

3TMDS Ground

4Floating

5Floating

6DDC Clock

7DDC Data

8Floating

9TMDS RX1-

10TMDS RX1+

11TMDS Ground

12Floating

13Floating

14+5V power

15Self test

16Hot Plug Detect

17TMDS RX0-

18TMDS RX0+

19TMDS Ground

20Floating

21Floating

22TMDS Ground

23TMDS Clock+

24TMDS Clock-