Acer ET322QR User Manual - Page 15

Display Data Channel (DDC), 15-pin color display signal cable

Page 15 highlights

English Display Data Channel (DDC) To make installation easier, so long as your system supports the DDC protocol, the monitor is able to plug-and-play. The DDC is a communication protocol through which the monitor automatically informs the host system about its capabilities; for example, supported resolutions and corresponding timing. The monitor supports the DDC2B standard. 15-pin color display signal cable PIN No. Description 1 Red 2 Green 3 Blue 4 Monitor ground 5 DDC-return 6 R-ground 7 G-ground 8 B-ground PIN No. Description 9 +5 V 10 Logic ground 11 Monitor ground 12 DDC-serial data 13 H-sync 14 V-sync 15 DDC-serial clock

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English
Display Data Channel (DDC)
To make installation easier, so long as your system supports the DDC protocol, the monitor
is able to plug-and-play. The DDC is a communication protocol through which the monitor
automatically informs the host system about its capabilities; for example, supported
resolutions and corresponding timing. The monitor supports the DDC2B standard.
15-pin color display signal cable
PIN No.
Description
PIN No.
Description
1
Red
9
+5 V
2
Green
10
Logic ground
3
Blue
11
Monitor ground
4
Monitor ground
12
DDC-serial data
5
DDC-return
13
H-sync
6
R-ground
14
V-sync
7
G-ground
15
DDC-serial clock
8
B-ground