Local rack KVM is the abbreviation of Keyboard, Video and Mouse, which means the intelligent switch and control platform with keyboard, video and mouse in-one-system. KVM host computer switch system (using one or several piece of KVM to connect the entire host computer) accomplish the single user use single control platform (a suit of keyboard, mouse and display) to handle the whole computer. The series of KVM systems have a lot of good characteristics, for instance, high efficiency, convenient to use, easy to govern, low cost, long-distance administration, Energy Conservation and Environmental Protection. It is with 1U standard height, suit for 19inch shelved structure, which can save more than 85% using space of the cabinet.<\/p>\n