Rack mount cases are made to fit into the thorough 19-inch racks. They can be used to house any electronic modules like disc players and power units, and can be mounted vertically unto rails made of metal on each side of a shelf. Depending on the purpose, some cases can fill a whole unit while others whether fit into half a unit only or even two or more. Because rack mount cases originated from mounting systems found in railroad signaling relays, some still call them relay racks. The 19-inch rack format however has remained to be constant even with the changes that have happened with the technology mounted within it. While usable for any purpose, the 19-inch rack is most widely used in the telecommunications, audio, entertainment, computing, and other related industries.
Kinds
Case Rack
Hard-mount rack case: A hard-mount rack case is settled on a rack unit with walls touching the case directly and are best for use with interconnected devices like any power modules needed by Ups systems.
Shock-mount rack case: A shock-mount rack case has a one-inch to two-inch layer of foam in in the middle of the rack walls and the case because they are designed to be used on sensitive tool like optic drives and lead-acid battery modules.
Buying a rackmount case
When finding for rack mount cases to buy, take careful consideration of the material that a rack mount case is made from. Depending on what you'll be using it for, choose a rack mount case material that is best noteworthy for your purpose. For example, if you're using power modules, aluminum is a good selection as it has great cooling capacities compared to steel ones. You would need a rack mount case with great cooling capacities because power modules create a lot of heat.
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