Video Switch: Route video from multiple sources to a single display
Video from multiple sources can be displayed on a single display device with the help of a video switch. Available in many different models with all models varying according to the type of video signals supported, these devices have the ability to provide high resolution signals. Of the various models available, the most popular ones are the VGA, DVI Video, HDMI, Composite, Cat5 Audio Video and the video matrix switches. Latest models are also available with optional audio. Image quality and clarity is maintained and it appears as though each source is individually connected to the display device. Input ports can range between 2, 4, 8 or 16 and if more than sixteen sources need to be connected, a user can daisy chain these switches.
Also known as a video switcher, this unit works on simple plug and play functionality and does not require any additional device drivers for operation. Switching between various sources of video can be done using front panel push buttons, infra red remote control and RS232. Since switching is passive, there is no requirement of external power or batteries. Hot pluggable, a user can either add or remove the source devices without powering down the unit. Compatible with PCs, MACs and SUNs with VGA video and multi sync SVGA, VGA and XGA monitors, they support the DDC1, DDCS, DDC2B, DDC2B+ and DDC2AB protocols.
Other key features of these video switchers are the ability to auto skip over power off, a computer in suspended mode or an unplugged VGA cable. Equipped with regulatory approvals from CE, FCC and RoHS, these devices can be combined with a video splitter to form a video matrix switch. The latter is capable of routing video from multiple sources to multiple displays, creating a matrix pattern of interconnection possibilities. These router units can also be controlled via TCP/IP and are available in models supporting different types of video signals.
A perfect solution for places where information from many sources needs to be displayed on a single display, the video switch is widely used in educational and financial institutions, airports, bus and train terminals, hospitals, information kiosks, digital signage applications, corporate offices and boardrooms etc.
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