Acer S220HQL User Manual - Page 16

Display Data Channel (DDC), Connector pin assignment, 15-pin color display signal cable - no signal

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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. Connector pin assignment 15-pin color display signal cable 1 5 6 10 11 15 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 4

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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.
Connector pin assignment
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
1
5
6
10
11
15