Acer RC271U User Manual type c - 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. 24-pin color display signal cable PIN No. Signal Assignment A1 GND A2 SSTXp1 A3 SSTXn1 A4 VBUS A5 CC1 A6 Dp1 A7 Dn1 A8 SBU1 A9 VBUS A10 SSTXn2 A11 SSTXp2 A12 GND PIN No. Signal Assignment B12 GND B11 SSTXp1 B10 SSTXn1 B9 VBUS B8 CC1 B7 Dp1 B6 Dn1 B5 SBU1 B4 VBUS B3 SSTXn2 B2 SSTXp2 B1 GND 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.
24-pin color display signal cable
PIN No.
Signal Assignment
PIN No.
Signal Assignment
A1
GND
B12
GND
A2
SSTXp1
B11
SSTXp1
A3
SSTXn1
B10
SSTXn1
A4
VBUS
B9
VBUS
A5
CC1
B8
CC1
A6
Dp1
B7
Dp1
A7
Dn1
B6
Dn1
A8
SBU1
B5
SBU1
A9
VBUS
B4
VBUS
A10
SSTXn2
B3
SSTXn2
A11
SSTXp2
B2
SSTXp2
A12
GND
B1
GND