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Building Automation and Control Network (BACnet) - A data communication protocol for building automation and control networks.
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Building automation system (BAS) - An integration of digital, electronic, and/or pneumatic controls and devices to provide unattended and automatic operation of buildings systems. Systems may include HVAC, elevators, fire suppression, smoke control, security, lighting, and other subsystems.
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Blanking Panel/Blanking Plate - A device mounted in unused U spaces in a rack that restricts bypass airflow, also called blanking or filler plates
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Building management system (BMS) - Computer based systems where your define your governing rules of operations of Building systems from one source as well as get your reporting information from on their operations.
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British thermal until (BTU) - A standard measure of cooling equipment capacity. 1 BTU is the energy required to raise 1 pound of water 1 degree Fahrenheit.
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Bypass Airflow - Conditioned air that does not reach designated purpose space such as computer equipment. This is often caused by cable cut-outs, holes under cabinets, misplaced perforated tiles or holes in the computer room perimeter walls, ceiling or floor.
