Acer VG242YP User Manual - Page 16

Display Data Channel DDC

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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. 19-pin color display signal cable PIN No. Description 1 TMDS data 2+ 2 TMDS data 2 shield 3 TMDS data 2- 4 TMDS data 1+ 5 TMDS data 1 shield 6 TMDS data 1- 7 TMDS data 0+ 8 TMDS data 0 shield 9 TMDS data 0- 10 TMDS clock+ * only for certain models PIN No. 11 12 13 14 15 16 17 18 19 Description TMDS clock shield TMDS clockCEC DDC-serial data SCL SDA DDC/CEC Ground +5 V Power Hot Plug Detect 5

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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.
19-pin color display signal cable
PIN No.
Description
PIN No.
Description
1
TMDS data 2+
11
TMDS clock shield
2
TMDS data 2 shield
12
TMDS clock-
3
TMDS data 2-
13
CEC
4
TMDS data 1+
14
DDC-serial data
5
TMDS data 1 shield
15
SCL
6
TMDS data 1-
16
SDA
7
TMDS data 0+
17
DDC/CEC Ground
8
TMDS data 0 shield
18
+5 V Power
9
TMDS data 0-
19
Hot Plug Detect
10
TMDS clock+
* only for certain models