Department of defense for peripheral switchescompliance ensures maximum information security while sharing a single set of hids keyboards mouse. Recently i did have the need for a kvm but we didnt have one on hand so ive decided it would be interesting to make my own kvm ill start with a 2 port kvm first.
Why Buy An Ethernet Kvm Switch Compared With Regular Vga Dvi
Kvm switch circuit diagram. 03132017 kvm is a hardware device that allows you to controlmanage several computers from one set of keyboardmouse and monitor. Be sure that the new fuse isnt blown and. A kvm switch is not a network. Supports 4k at 30hz and and pcs uxga 1920x1200 resolutions. You are able to easily step up the voltage to the necessary level utilizing an inexpensive buck boost transformer and steer clear of such issues. A 51 computer speaker setup lr front lr rear center sub3 channels 2 computers with 51 support and a kvm switch with single channel support.
With the kvm switch i can share the lr front channel between the computers. What im hoping to build is a kvm keyboard video mouse switch circuit for my computer. Each circuit displays a distinctive voltage condition. A kvm is a keyboard video mouse device that you switch between computers by the press of a button they can have 2 4 8 16 or more ports. Dvi usb computer connections. Dvi d dual link usb kvm cable kits 2 x 6 ft.
As illustrated in figure 1 a kvm switch. A single keyboard monitor and mouse plug into the circuit and the circuit is connected to the corresponding ports of two separate computer towers. Kvm switches are a hardware based solution to reduce the number of keyboards monitors and mice needed to control multiple computers. 100 240v 5060hz 05a output. Tripp lite b004 2dua2 k 2 port dual monitor dvi kvm switch with audio and usb 20 hub cables included. The voltage is the sum of electrical power produced by the battery.
Schematic diagram of hdmi switch. Bytecc kvm 4uhmn kvm switch 4 port hdmi kvm switch with cable kit and supports edid hdcp 1080p 3d and auto scanfor windowsxpvista linux and mac 4 in 1 out type. The cs1182 is niap certified and passed the evaluation assurance level 2 eal2 requirements for peripheral sharing switch pss for human interface devices hids protection profile v21 satisfying the latest security requisites set by the us. While a proper kvm is a better option dvi or hdmi ones are pretty expensive you can get hdmi switches off ebay for 10 and the switch is clearly the cost of a couple of cables and a few dollars. It is a bit different than a software solution as you can use it at preboot or other situations where the remote viewing software isnt working. Kvm switches do not replace or eliminate the need for networking but can work in conjunction with a network.
What i need is to make a switch box that can share the other 2 channels between the 2 computers. Projects kvm switch original post date. Hdmi usb video resolution. 2 port dual monitor dvi kvm switch with audio and usb 20 hub 2 x 6 ft. Normally computer 1 sendsrecieves the inputoutput to the peripherals. Dvi d dual link cables external power supply input.
Gallery of Kvm Switch Circuit Diagram
