Siemens SIMATIC Rack PC 840 V2 - Page 108

Detailed descriptions
16.1 Motherboard
SIMATIC Rack PC 840 V2
16-10 Operating Instructions, Edition 05/2006, A5E00248055-04
VGA port, X303
The VGA socket has the following pinout:
VGA port
PinNo. Abbreviations Meaning Input /Output
1 R Red Output
2 G Green Output
3 B Blue Output
4 – n.c. –
5 GND Chassis ground –
6 GND Chassis ground –
7 GND Chassis ground –
8 GND Chassis ground –
9 + 5 V + 5 V (fused) Output
10 GND Chassis ground –
11 – n.c. –
12 DDC_DAT Display Data Channel Data Input/output
13 EXT_H Horizontal synchronizing pulse Output
14 EXT_V Vertical synchronizing pulse Output
15 DDC_CLK Display Data Channel Clock Input/output