Dell U2212hm manual DisplayPort Connector

7	DDC Data
8	Floating
9	TMDS RX1-
10	TMDS RX1+
11	TMDS Ground
12	Floating
13	Floating
14	+5 V/+3.3 V 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-

DisplayPort Connector

Pin	20-pin Side of the Connected Signal Cable
Number
1	ML0(p)
2	GND
3	ML0(n)
4	ML1(p)