What is a D-Sub interface on an LCD Monitor?
Answer:
D-Sub Interface:-
That means a VGA port. So call because the connector shell is sort of in the shape of a D, and the sub factor is short for subminiature.
If You need Digital Input consequently you need
DVI
(pronounced as separate letters) (1) Short for Digital Visual Interface, a digital interface standard created by the Digital Display Working Group (DDWG) to convert analog signals into digital signals to accommodate both analog and digital monitors. Data is transmitted using the transition minimized differential signaling (TMDS) protocol, providing a digital signal from the PC's graphics subsystem to the display. The standard specifies a single plug and connector that encompass both the up to date digital and legacy VGA interfaces, as very well as a digital-only plug connector. DVI handles bandwidths surrounded by excess of 160 MHz and thus supports UXGA and HDTV with a single set of links. Higher resolutions can be supported next to a dual set of links.
(2) Short for Digital Video Interactive, a now-defunct technology developed by General Electric that enables a computer to store and display moving video descriptions like those on tube. The most difficult aspect of displaying TV-like images on a computer is overcoming the certainty that each frame requires an immense amount of storage. A single frame can require up to 2MB (megabytes) of storage. Televisions display 30 frames per second, which can immediately exhaust a computer's mass storage resources. It is also difficult to transfer so much information to a display screen at a rate of 30 frames per second.
DVI overcomes these problems by using specialized processors to compress and decompress the information. DVI is a hardware -only codec (compression/decompression) technology. A competing hardware codec, which has become much more popular, is MPEG. Intel have developed a software version of the DVI algorithms, which it market under the term Indeo.
A D-sub contains two or more parallel rows of pins or sockets usually surrounded by a D-shaped metal shield that provides mechanical support and some screening against electromagnetic interference. The D shape guarantees correct location. The part containing pin contacts is call the male connector or plug, while that containing socket contacts is call the female connector or socket. The socket's shield fits tightly inside the plug's shield. The shields are connected to the overall screen of the cables (when screen cables are used), creating an electrically continuous peak covering the whole cable and connector system.
D-subminiature connectors be invented by Cannon, part of ITT. Cannon's part-numbering system uses a D as the prefix for the intact series, followed by a letter denoting the shell size (A=15 pin, B=25 pin, C=37 pin, D=50 pin, E=9 pin), followed by the actual number of pins, followed by the masculinity (M=male, F=female). For example, DB25M denotes a D-sub with a 25-pin shell size and 25 manly contacts. The pins in these connectors are approximately .108 inch apart.
Cannon also produced D-subs beside high-current or co-axial inserts that replace several of the normal, smaller pins. The DB13W3 change was commonly used for high-performance video connections; this deviation provided 10 regular (#20) pins plus three coaxial contacts for the red, green, and blue video signals.
They have VGA (old but still surrounded by use) and the new DVI .
VGA - Video Graphics Array
DVI - Digital Visual Interface
VGA is analog
DVI is digital.
VGA have a connector that looks like a serial connector, the shape is circlular and have about fifteen pins surrounded by a scattered outline.
DVI has a more square looking connector and have a lot more pins contained by a 3 line evenly spaced out cut-out
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