The height of the electronic modules is also standardized as multiples of 1.75 inches (44.45 mm) or one rack unit or U (less commonly RU). Each module has a front panel that is 19 inches (482.6 mm) wide, including edges or ears that protrude on each side which allow the module to be fastened to the rack frame with screws.Įquipment designed to be placed in a rack is typically described as rack-mount, rack-mount instrument, a rack mounted system, a rack mount chassis, subrack, rack mountable, or occasionally simply shelf. ![]() "A 19-inch rack is a standardized frame or enclosure for mounting multiple equipment modules. The vector stencils library "Rack diagrams" contains 33 rack design elements for drawing the computer network server rack diagrams. Servers also typically have reliability, availability and serviceability (RAS) and fault tolerance features, such as redundancy in power supplies, storage (as in RAID), and network connections." These features may include a faster CPU, increased high-performance RAM, and increased storage capacity in the form of a larger or multiple hard drives. While nearly any personal computer is capable of acting as a network server, a dedicated server will contain features making it more suitable for production environments. ![]() In this client–server configuration, one or more machines, either a computer or a computer appliance, share information with each other with one acting as a host for the other. "In the hardware sense, the word server typically designates computer models intended for hosting software applications under the heavy demand of a network environment. They are used when choosing which equipment or racks to buy, and to see if a particular configuration works, without having to go through a physical install. Server rack diagrams visualize the rack mounting of a computer and network equipment as a frontal view of the rack with the equipment installed. This network server rack diagram example was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Rack Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park. Typical computing servers are database server, file server, mail server, print server, web server, gaming server, application server." Servers often provide essential services across a network, either to private users inside a large organization or to public users via the Internet. In many cases, a computer can provide several services and have several servers running. ![]() Servers can be run on a dedicated computer, which is also often referred to as "the server", but many networked computers are capable of hosting servers. "A server is a system (software and suitable computer hardware) that responds to requests across a computer network to provide, or help to provide, a network service. They are used for choosing the equipment or racks to buy, and help to organize equipment on the racks virtually, without the real installation. Rack Diagrams visualize the rack mounting of computer hardware and network equipment as the drawing of frontal view of the rack with equipment installed.
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