Connector pin assignment – Acer ED320QR bi 32" Curved Monitor User Manual
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7
Connector pin assignment
20-pin color display signal cable*
Threading
Explanations
Threading
Explanations
1.
Channel 0 real signal
11.
Monitor ground
2.
Monitor ground
12.
Channel 3 auxiliary signal
3.
Channel 0 auxiliary
signal
13.
Reserved (protocol pull)
4.
Channel 1 real signal
14.
Reserved (protocol pull)
5.
Monitor ground
15.
Auxiliary channel real signal
6.
Channel 1 auxiliary
signal
16.
Signal detection
7.
Channel 2 real signal
17.
Auxiliary channel auxiliary signal
8.
Monitor ground
18.
Hot plug detection
9.
Channel 2 auxiliary
signal
19.
Monitor ground
10.
Channel 3 real signal
20.
3.3 V power supply
* Limited to specific models
19-pin color display signal cable*
Threading
Use
Threading
Use
1.
TMDS data 2 +
10.
TMDS clock +
2.
TMDS data 2 mask
11.
TMDS clock mask
3.
TMDS data 2 -
12.
TMDS clock -
4.
TMDS data 1 +
13.
CEC
5.
TMDS data 1 mask
14.
Reserved
(not connected on the device)
6.
TMDS data 1 -
15.
SCL
7.
TMDS data 0 +
16.
SDA
8.
TMDS data 0 mask
17.
DDC/CEC ground
9.
TMDS data 0 -
18.
+5 V power supply
19.
Hot plug detection
* Limited to specific models
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20