Dell P2422HE - HDMI connector pin assignments

About your monitor  │  21
HDMI connector
15 AUX CH (p)
16 GND
17 AUX CH (n)
18 Hot Plug Detect
19 Return
20 DP_PWR
Pin
number
19-pin side of the
connected signal cable
1 TMDS DATA 2+
2 TMDS DATA 2 SHIELD
3 TMDS DATA 2-
4 TMDS DATA 1+
5 TMDS DATA 1 SHIELD
6 TMDS DATA 1-
7 TMDS DATA 0+
8 TMDS DATA 0 SHIELD
9 TMDS DATA 0-
10 TMDS CLOCK+
11 TMDS CLOCK SHIELD
12 TMDS CLOCK-
13 CEC
14 Reserved (N.C. on device)
15 DDC CLOCK (SCL)
16 DDC DATA (SDA)
17 DDC/CEC Ground
18 +5 V POWER
19 HOT PLUG DETECT