Display Data Channel (Ddc); 20-Pin Color Display Signal Cable - Acer EI491CR User Manual

Display Data Channel (DDC)

To make your installation easier, the monitor is able to Plug and Play with your system if your
system also supports DDC protocol. The DDC (Display Data Channel) 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 DDC2B standard.

20-Pin Color Display Signal Cable

PIN NO.
DESCRIPTION
1 ML_Lane 0+
3 ML_Lane 0-
5 GND
7 ML_Lane 2+
9 ML_Lane 2-
11 GND
13 KONFIG1
15 AUX CH+
17 AUX CH-
19 Return
5
PIN NO.
DESCRIPTION
2 GND
4 ML_Lane 1+
6 ML_Lane 1-
8 GND
10 ML_Lane 3+
12 ML_Lane 3-
14 CONFIG2
16 GND
18 Hot Plug
20 DP_PWR