A KVM switch is a hardware device which permits you to control various monitors using one keyboard, monitor and mouse.The initials KVM stands for keyboard, mouse and video. The devices are also known as pc switches and server switches as they assist in the control of these gadgets.
The kvm switch was developed to cut down on server maintenance costs and power usage. You can use the KVM switch to control various computers with one keyboard and a mouse. Also, you can operate one application simultaneously on many computers. There are different types of the KVM switch which have been developed over the years for meeting the various needs of users.
Here are the 4 types of KVM switch.
This is an entry level KVM switch which is mainly used by remote offices. This type of switch allows one person to have access to many computers as possible with just the use of one console.
Every time you want to switch from one port to the next, you will have to follow the complete initiation process which is the same as physical plugging and unplugging a USB gadget into a system.
This type of switch is used in robust installations and data centers which need many users to manage and operate multiple computers or servers. The number of users required is about 16, and they can manage up to 64 servers. Also, the KVM switch uses emulations to support the usual features of the mouse and the keyboard.
The analog KVM switch is operated by having a direct connection from the computer, to the KVM switch to the console. The kvm cables used can either be kvm extender Cat5 or Coax depending on the switch. The switch has upgraded features such as virtual media and is used to gain access to server platforms and devices by a single user. Depending on the bandwidth required by the user the switches can affect the quality and cost giving a resolution of 60hz.
The digital KVM switch is also referred to as KVM over IP. This type of switch allows you to have control over any IP connection anytime anywhere. This can be from the company LAN or globally. The computers still need to be directly connected to the KVM switch, although the person who is controlling the PC does not necessarily need to be directly linked to the KVM switch.
Each of the above types of KVM switch also requires to support different technologies and platforms. For example, KVM switches need to support different types of keyboards, mouse interfaces such as USB, PS/2, Mac Sun, and also different video interfaces like display ports, HDMI kvm, ADC, DVI, and VGA.
The size and type of KVM switch which you need will depend on several factors such as future requirements and the computers and serves which have to be controlled. When buying a KVM switch look for a system which does not need to be rebooted by personal computers for easy connection in a multi-user environment.