Acer AL1931 Manual page 15

2.4.5 85Hz refresh rate Support
Monitor should display 85Hz refresh rate mode as emergency mode.
Monitor should display "Out of Range" warning menu at this mode.
2.4.6 Analog Video input Connector
Analog Video input Connector: 15pins mini D-Sub
Table 2.4.5. Pin assignment for D-sub connector
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
5
10
15
Separate Sync
RED VIDEO
GREEN VIDEO
BLUE VIDEO
GROUND
GROUND
RED GROUND
GREEN GROUND
BLUE GROUND
PC5V (+5V DDC)
CABLE DETECTION
GROUND
SDA
H.SYNC
V.SYNC
SCL
D-sub connector
Color of plastic parts: Blue
1
6
11
14