Vga Switch: Low Cost, Low Power, Compact And Reliable Monitoring Device

Whenever video from multiple sources needs to be viewed on one display device

, a vga switch can be used. Multiple computers can share one projector, monitor or other video display with a VGA port using this device. PCs, MACs and SUNs with VGA video as well as various other VGA video sources such as VHS or DVD players can be operated with these devices. Available in multiple sizes including 2, 4 and 8 ports, these switches can be cascaded to achieve a larger distribution. Operating on plug and play functionality, setup is achieved by securing the connections between the video source and the display through standard VGA Cables. These devices maintain video integrity without ghosting and data loss.

The vga switcher units support high resolution video up to 1920x1440 @ 60Hz and have a bandwidth of 250 MHz or higher. Available in 2x2, 2x4, 2x8, 2x16, 4x4, 8x8, 16x16 & larger matrix switch versions which combine a video switcher and a video splitter, these devices also have rack mount options. Control of the switcher can be done via push buttons on the front of the unit but additional control methods of the matrix include RS232, TCP/IP or Infra Red Remote. These devices eliminate the need for unplugging and re-plugging the VGA cables between video sources.

Supporting the DDC1, DDC2, DDC2B, DDC2B+, DDC2AB protocols this category of video switcher is CE, FCC and RoHS compliant. Hot pluggable, these switches need not be powered down while adding or removing sources. They do not require any additional software for operation and have the ability to auto skip over power off / suspended PC, and unplugged VGA cable. High end models of these switchers come with a wireless remote for port selection, on screen display and auto scan mode. Some models of these devices are available with audio and have the ability to switch balanced and unbalanced stereo audio.

An essential part of conference rooms, presentations, classrooms, remote monitoring and training facilities where switching between multiple video sources is needed, the VGA Switch is a popular device since it maintains quality of video due to the built in video signal enhancement.

by: Peter Pal Disuja

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