![]() 600 and 800mm are the most common widths. The depth of the rack with side panels and doors may be wider i.e. Racks house devices that are 19inches wide. Typical Rack sizes range from 2U (for a small data cabinet) to 47U for a datacentre type server rack. All rack mount devices have a corresponding U height making it easy to calculate the total ‘U’ height required for a rack or cabinet. The height is measured in ‘U’s where 1=1.75inches or 44.45mm. Racks are available in several height, width and depth combinations. The guide can also be used for home network racks. Security: how to I prevent unauthorised access to my servers and IT network?.Temperature Monitoring: do I need a room or rack-level monitoring system?.Fire Suppression: will I need a fire suppression system?.Electrical power: how do I install PDUs and UPS backup power protection?.Cable layout: what is the best way to manage network cabling?.Rack Layout: how should I arrange my server and IT equipment in the rack?.Health & Safety: are there any safe working implications?.Cooling and ventilation: how do I cool equipment in the rack?.Location: where should I place the rack in my server room?.Rack Dimensionswhat size rack do you need?.The following general checklist covers the principle topics for planning a server room and rack cabinet installation: So what is the best way to organise and manage a server rack and its deployment? Server Rack Installation and Layout Checklist ![]() This may be an ‘OK’ approach for some organisations, and especially those that do not have client-facing server facilities, but the practice can reduce IT resilience and introduce potential problems. For the latter, the speed at which a new server is switched-on and being used is more important than what the room and rack looks like. Many of the problems we see when auditing server rooms have their route cause in either a poorly planned initial installation and/or one that has grown rapidly. Most organisations will have at least one server rack and the problem for many today is how to expand their existing installation to take advantage of new server technologies. Server racks are designed for one purpose and that is to provide an easy and secure way to house IT servers and their associated networking devices.
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