Acer XF270H User Manual XF270H A - Page 15

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

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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+ 3 ML_Lane 05 GND 7 ML_Lane 2+ 9 ML_Lane 211 GND 13 KONFIG1 15 AUX CH+ 17 AUX CH19 Return PIN No. Description 2 GND 4 ML_Lane 1+ 6 ML_Lane 18 GND 10 ML_Lane 3+ 12 ML_Lane 314 CONFIG2 16 GND 18 Hot Plug 20 DP_PWR 24-pin color display signal cable PIN No. Description 1 TMDS data 22 TMDS data 2+- 3 TMDS data 2/4 shield 4 NC 5 NC 6 DDC clock 7 DDC data 4 PIN No. Description 13 NC 14 +5 V power 15 GND (return for +5 V hsync. vsync) 16 Hot-plug detection 17 TMDS data 0- 18 TMDS data 0+ 19 TMDS data 0/5 shield

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English
4
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
ML_Lane 0+
2
GND
3
ML_Lane 0-
4
ML_Lane 1+
5
GND
6
ML_Lane 1-
7
ML_Lane 2+
8
GND
9
ML_Lane 2-
10
ML_Lane 3+
11
GND
12
ML_Lane 3-
13
KONFIG1
14
CONFIG2
15
AUX CH+
16
GND
17
AUX CH-
18
Hot Plug
19
Return
20
DP_PWR
24-pin color display signal cable
PIN No.
Description
PIN No.
Description
1
TMDS data 2-
13
NC
2
TMDS data 2+-
14
+5 V power
3
TMDS data 2/4 shield
15
GND (return for +5 V hsync.
vsync)
4
NC
16
Hot-plug detection
5
NC
17
TMDS data 0-
6
DDC clock
18
TMDS data 0+
7
DDC data
19
TMDS data 0/5 shield