What is a vga cable interface?

vga cable connector is a D-type interface, is an analog signal, a total above 15 pinholes, divided into three rows, each row five. Wherein, in addition to 2 NC (Not Connect) signal, data bus, and the display 3 5 GND signal, the more important is the three RGB component signal and two color scanning synchronization signal HSYNC and VSYNC pin Vga extension cable color component using the interface RS343 level standards. RS343 level standard peak voltage of 1V.
VGA connector on the graphics card is the most widely used type of interface, the majority of graphics cards come with such an interface.
Common Vga extension cable interface devices: computer graphics, display, VGA Matrix, VGA Splitter, VGA Switcher, RGBHV matrix. RGBHV matrix switcher, VGA monitor, VGA capture cards....