HDMI
TM
PIN DEFINITION
COAXIAL CABLE
Type A (Receptacle) HDMI
Pin 1
TMDS Data2+
Pin 8
TMDS Data0 Shield
Pin 15
SCL
Pin 2
TMDS Data2 Shield
Pin 9
TMDS Data0-
Pin 16
SDA
Pin 3
TMDS Data2-
Pin 10 TMDS Clock+
Pin 17
DDC/CEC Ground
Pin 4
TMDS Data1+
Pin 11 TMDS Clock Shield
Pin 18
+5 V Power
Pin 5
TMDS Data1 Shield
Pin 12 TMDS Clock-
Pin 19
Hot Plug Detect
Pin 6
TMDS Data1-
Pin 13 CEC
Pin 7
TMDS Data0+
Pin 14
Reserved (N.C. on device)
Reference for Coaxial Cables
50
Ω
Coaxial cable
MHz
dB loss per 100ft dB loss per 330ft
30
0.105
0.346
50
0.243
0.799
450
0.439
1.440
1500
0.855
2.840
2000
1.020
3.360
2500
1.170
3.840
75
Ω
Coaxial cable
MHz
dB loss per 100ft dB loss per 330ft
50
1.45
4.756
100
2.02
0.799
200
2.83
1.440
400
4.05
2.840
700
5.60
3.360
800
6.23
1000
6.59
1200
7.50
1450
8.10
1800
8.95
2200
9.98
3.840
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