Dell U2412M Monitor - Manual (Page 9)

DVI Connector
DisplayPort Connector
3 Video-Blue
4 GND
5 Self-test
6 GND-R
7 GND-G
8 GND-B
9 Computer 5V/3.3V
10 GND-sync
11 GND
12 DDC data
13 H-sync
14 V-sync
15 DDC clock
Pin
Number 24-pin Side of the Connected Signal Cable
1 TMDS RX2-
2 TMDS RX2+
3 TMDS Ground
4 Floating
5 Floating
6 DDC Clock
7 DDC Data
8 Floating
9 TMDS RX1-
10 TMDS RX1+
11 TMDS Ground
12 Floating
13 Floating
14 +5V/+3.3V power
15 Self test
16 Hot Plug Detect
17 TMDS RX0-
18 TMDS RX0+
19 TMDS Ground
20 Floating
21 Floating
22 TMDS Ground
23 TMDS Clock+
24 TMDS Clock-