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This pinout diagram example showing a VGA connector (as viewed from the socket) was redesigned from the Wikimedia Commons file: DE15 Connector Pinout.svg. [commons.wikimedia.org/ wiki/ File:DE15_ Connector_ Pinout.svg]
"A Video Graphics Array (VGA) connector is a three-row 15-pin DE-15 connector. The 15-pin VGA connector is found on many video cards, computer monitors, and high definition television sets. On laptop computers or other small devices, a mini-VGA port is sometimes used in place of the full-sized VGA connector.
DE-15 is also conventionally called RGB connector, D-sub 15, mini sub D15, mini D15, DB-15, HDB-15, HD-15 or HD15 (High Density, to distinguish it from the older and less flexible DE-9 connector used on some older VGA cards, which has the same shell size but only two rows of pins).
VGA connectors and cables carry analog component RGBHV (red, green, blue, horizontal sync, vertical sync) video signals, and VESA Display Data Channel (VESA DDC) data. In the original version of DE-15 pinout, one pin was keyed by plugging the female connector hole; this prevented non-VGA 15 pin cables from being plugged into a VGA socket. Four pins carried Monitor ID bits which were rarely used; VESA DDC redefined some of these pins and replaced the key pin with +5 V DC power supply.
The VGA interface is not engineered to be hotpluggable (so that the user can connect or disconnect the output device while the host is running), although in practice this can be done and usually does not cause damage to the hardware or other problems. However, nothing in the design ensures that the ground pins make a connection first and break last, so hotplugging may introduce surges in signal lines which may or may not be adequately protected against. Also, depending on the hardware and software, detecting a monitor being connected might not work properly in all cases." [VGA connector. Wikipedia]
The pinout diagram example "VGA connector pinout" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Audio and Video Connectors solution from the Engineering area of ConceptDraw Solution Park.
VGA connector pinout
VGA connector pinout, VGA jack,
Used Solutions

Electrical Symbols — Terminals and Connectors

Electrical Symbols — Terminals and Connectors
An electrical connector, is an electro-mechanical device used to join electrical terminations and create an electrical circuit. Electrical connectors consist of plugs (male-ended) and jacks (female-ended). The connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or devices. 26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Network Glossary Definition

The network glossary contains a complete list of network, computer-related and technical terms in alphabetic order, explanations and definitions for them, among them there are words well known for you and also specific, rare-used, uncommon or newly introduced terms. This specialized glossary, also known as a vocabulary, is the best in its field and covers in details the various aspects of computer network technologies. This glossary was developed by specialists using the practical experience and many useful sources to help the ConceptDraw users in their work, you can read and learn it from the screen on-line or print, it can be also used as a perfect educational guide or tutorial. ConceptDraw DIAGRAM software extended with Computer and Networks solution is easy to draw various types of Network diagrams, Network topology diagrams, Computer networking schematics, Network maps, Cisco network topology, Computer network architecture, Wireless networks, Vehicular networks, Rack diagrams, Logical, Physical, Cable networks, etc. Desktop ConceptDraw DIAGRAM Software is a good Visio for Mac Os X replacement. It gives you rich productivity and quality of the produced diagrams.
How to Draw a Computer Network
How to Draw a Computer Network

Network Diagram Software. LAN Network Diagrams. Physical Office Network Diagrams

LAN Network Diagram
Physical LAN Diagrams illustrate the communication schemes of Local Area Networks, the physical network connection of computers and networks arrangement on the small areas - at homes, offices, and other buildings. ConceptDraw DIAGRAM is a perfect network diagramming software with samples and examples of WAN and LAN Diagrams, templates and collection of network components libraries. Computer Network Diagrams Solution for ConceptDraw DIAGRAM Mac and Windows is ideal for IT professionals, network engineers and network designers who need to visualize network architecture, to document LANs physical structure and arrangement, to draw Local Area Network (LAN) diagrams and schematics, WAN diagrams, physical office network diagrams and topologies, wiring drawings, etc. You can design all them easy using the predesigned vector objects of computers and computer network devices, hardware devices, peripheral devices, external digital devices, internet and logical symbols, and many other stencils from the Computer Network Diagrams libraries. ConceptDraw DIAGRAM offers a powerful and easy-to-use solution for those who looking for a Visio alternative for Mac. It is a world-class diagramming platform with dynamic presentation power.
How to Draw a Computer Network
How to Draw a Computer Network

Electrical Symbols, Electrical Diagram Symbols

Electrical Diagram Symbols
When drawing Electrical Schematics, Electrical Circuit Diagrams, Power Systems Diagrams, Circuit and Wiring Diagrams, Digital and Analog Logic Schemes, you will obligatory need the electrical symbols and pictograms to represent various electrical and electronic devices, such as resistors, wires, transistors, inductors, batteries, switches, lamps, readouts, amplifiers, repeaters, relays, transmission paths, semiconductors, generators, and many more. Today these symbols are internationally standardized, so the diagrams designed using them are recognizable and comprehensible by specialists from different countries. Electrical Engineering Solution included to ConceptDraw Solution Park provides 26 libraries with 926 commonly used electrical schematic and electrical engineering symbols making the reality the easy drawing of Electrical diagrams, schematics and blueprints. Now you need only a few minutes to create great-looking Electrical diagram, simply choose required electrical design elements from the libraries, drag them on the needed places at the document and connect in a suitable way.

network topology diagram software, network icons, network diagram template, networking icons available, how to draw a network diagram Computer Network Diagrams

network topology diagram software, network icons, network diagram template, networking icons available, how to draw a network diagram
Computer Network Diagrams solution extends ConceptDraw DIAGRAM software with samples, templates and libraries of vector icons and objects of computer network devices and network components to help you create professional-looking Computer Network Diagrams, to plan simple home networks and complex computer network configurations for large buildings, to represent their schemes in a comprehensible graphical view, to document computer networks configurations, to depict the interactions between network's components, the used protocols and topologies, to represent physical and logical network structures, to compare visually different topologies and to depict their combinations, to represent in details the network structure with help of schemes, to study and analyze the network configurations, to communicate effectively to engineers, stakeholders and end-users, to track network working and troubleshoot, if necessary.