Data center facilities Definitions

  • A

    automatic transfer switch (ATS)

    An automatic transfer switch (ATS) is a device that automatically transfers a power supply from its primary source to a backup source when it senses a failure or outage in the primary source.

  • B

    baffle (data center hot aisle containment)

    Baffle paneling covers unwanted space between racks, under the raised floor and above dropped ceilings in the data center, reducing energy consumption and power use.

  • Bloom Energy Server (Bloom box)

    A Bloom Box, officially known as an Bloom Energy Server, is a modular stack of solid oxide fuel cells that can produce electricity.

  • brownfield (brownfield deployment, brownfield site)

    A brownfield deployment, in information technology, is the installation and configuration of new hardware or software that must coexist with legacy IT systems.

  • building management system

    Building management system (BMS) is a computer system that tracks power used by IT equipment and air conditioning systems in the data center.

  • C

    carbon usage effectiveness (CUE)

    Carbon usage effectiveness (CUE) is a metric developed by The Green Grid to help organizations measure the amount of carbon used -- or carbon footprint -- in the daily operations of their data centers.

  • CEEDA (Certified Energy-Efficient Datacenter Award)

    CEEDA is a data center certification for the efficient use of energy.

  • computer room air conditioning unit (CRAC)

    A computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a network room or data center. CRAC units are replacing air-conditioning units that were used in the past to cool data centers. According to Industrial Market Trends, mainframes and racks of servers can get as hot as a seven-foot tower of powered toaster ovens, so climate control is an important part of the data center's infrastructure.

  • computer room air handler (CRAH)

    A computer room air handler (CRAH) is a device used frequently in data centers to deal with the heat produced by equipment.

  • computerized maintenance management system (CMMS)

    A computerized maintenance management system (CMMS) is software that helps operations and maintenance staff identify and track the status of maintenance tasks and availability of replacement parts.

  • cow power (biogas)

    Cow power is a term for the conversion of manure to usable energy. The energy produced can supplement the electric power offered by a utility or power a facility, such as a factory or a data center.

  • D

    data center evaporative cooling (swamp cooling)

    Evaporative cooling, also known as swamp cooling, is a strategy for cooling air that takes advantage of the drop in temperature that occurs when water that's exposed to moving air begins to change to gas. You've probably experienced the effects of evaporative cooling if you've ever changed out of wet clothes because you felt chilled.

  • ducting (data center cooling)

    Ducting is the use of a metal or plastic pipe to carry air from one place to another.

  • E

    e-waste

    E-waste is any refuse created by discarded electronic devices and components as well as substances involved in their manufacture or use.

  • Emergency Power Off (EPO) button

    The Emergency Power Off (EPO) button -- sometimes called an EPO switch -- is a large red device in data centers that kills power to a particular piece of equipment, or to an entire facility, in the event of an emergency.

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