Acer XB271H User Manual - Page 16

Display Data Channel DDC

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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. 20-pin color display signal cable PIN No. Description 1 ML_Lane 0- 5 GND 7 ML_Lane 2- 11 GND CONFIG1 15 17 AUX CH- Return PIN No. Description 2 GND 4 6 ML_Lane 1- 8 GND 10 12 14 CONFIG2 16 GND 18 Hot Plug 20 DP_PWR 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.
20-pin color display signal cable
PIN No.
Description
PIN No.
Description
1
ñÌò̺¹µ²Óó
2
GND
ä
ML_Lane 0-
4
ñÌò̺¹µ²Ôó
5
GND
6
ML_Lane 1-
7
ñÌò̺¹µ²îó
8
GND
Î
ML_Lane 2-
10
ñÌò̺¹µ²äó
11
GND
12
ñÌò̺¹µ²äë
Ôä
CONFIG1
14
CONFIG2
15
²Õ×ô²Íõó
16
GND
17
AUX CH-
18
Hot Plug
ÔÎ
Return
20
DP_PWR