Acer CB273 User Manual - Page 18

Display Data Channel (DDC), 19-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. 19-pin color display signal cable* PIN No. Description 1 TMDS Data2+ 3 TMDS Data25 TMDS Data1 Shield 7 TMDS Data0+ 9 TMDS Data011 TMDS Clock Shield 13 CEC 15 SCL 17 DDC/CEC Ground 19 Hot Plug Detect PIN No. Description 2 TMDS Data2 Shield 4 TMDS Data1+ 6 TMDS Data18 TMDS Data0 Shield 10 TMDS Clock+ 12 TMDS Clock14 Reserved (N.C. on device) 16 SDA 18 +5V Power 20-pin color display signal cable* PIN No. Description 1 Lane0(p) 3 Lane0(n) 5 GND 7 Lane2(p) 9 Lane3(n 18 PIN No. Description 2 GND 4 Lane1(p) 6 Lane1(n) 8 GND 10 Lane3(p)

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English
18
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 Data2+
2
TMDS Data2 Shield
3
TMDS Data2-
4
TMDS Data1+
5
TMDS Data1 Shield
6
TMDS Data1-
7
TMDS Data0+
8
TMDS Data0 Shield
9
TMDS Data0-
10
TMDS Clock+
11
TMDS Clock Shield
12
TMDS Clock-
13
CEC
14
Reserved (N.C. on device)
15
SCL
16
SDA
17
DDC/CEC Ground
18
+5V Power
19
Hot Plug Detect
20-pin color display signal cable*
PIN No.
Description
PIN No.
Description
1
Lane0(p)
2
GND
3
Lane0(n)
4
Lane1(p)
5
GND
6
Lane1(n)
7
Lane2(p)
8
GND
9
Lane3(n
10
Lane3(p)