Glossary
GUI
A Graphical User Interface is typically associated with computer software and the way in which you interact with it. It is also relevant for other types of graphical interface such as touch panel controls.
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IPSEC
Internet Protocol Security. The IPSEC protocol encapsulates one data packet entirely inside another in order to carry it across a transit network. IPSEC is one protocol used to create a VPN - the complete encapsulation (and usually encryption) by IPSEC is similar to the envelope used to send a letter. The letter is intact from sender to recipient however the envelope get read and passed between sorting offices.
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VGA
Video Graphics Array or VGA connector is a standard found on personal computers, laptops, projectors and televisions usually as a high-density 15 pin connector. A VGA signal is an analogue transmission based on the RGBHV standard. A common use for VGA is displaying slides from a laptop via a projector for presentation purposes.
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0-10 V
The 0-10v standard is used as a voltage based reference in many applications. Whilst most known as a dimming mechanism for various light sources it is also extensively used by stage lighting desks and volume control. As an input source it is often used as an analogue reference for temperature, humidity, light and other sensors.
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HDMI
High Definition Multimedia Interface is multi pin connector found on most modern consumer audio-visual equipment. It can combine high-definition audio and video as well as control signals. It is technically similar to DVI and DisplayPort connectors found on modern computers.
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DVI
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