facility and equipment thermal guidelines for data...
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Facility and Equipment Thermal Guidelines for Data Center and
Other Data Processing Environments
Magnus K. Herrlin, Ph.D.
Principal
ANCIS
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Product Heat Density Trend Chart
AmdahlCiscoCompaqCrayDellEMCHPIBMIntelLucentMotorolaNokiaNortelSunUnisys
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Purpose of the ASHRAE HDEC Guideline
1. Provide a roadmap that will enable standardized operating environments for equipment.
2. Provide guidelines for facility operations personnel and equipment manufacturers on how to design systems for fault tolerant performance.
3. Provide guidance on how to evaluate and test the operational “health” of the data center.
4. Provide a methodology for reporting the environmental characteristics of a computer system.
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Environmental Class Definitions
• Class 1: Tightly controlled environmental parameters; generally raised floor; Ex.: Servers and storage products.
• Class 2: Loosely controlled environmental parameters; Ex.: Servers and storage products.
• Class 3: Little control on environmental parameters; Ex.: Workstations, PCs, portables, and printers.
• Class 4: No environmental control; Ex.: Point-of-sales equipment.
• TCO: Telecom Central Office. Tightly controlled environmental parameters; overhead air distribution; Ex.: Switches, routers, transport equipment.
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Environmental Requirements
< 55 9TCO 4
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Environmental Requirements
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Environmental Requirements
TCO 4 < 55 9
9. Telcordia recommendation.
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Environmental Requirements
Recommended Class TCO OperatingEnvironment
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Environmental Requirements
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Equipment Air Cooling Syntax
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Air Cooling Guidelines
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Cold Aisle/Hot Aisle
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Implementation of Cold Aisle/Hot Aisle
Data Center
Central Office
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Equipment Spacing
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Monitoring Points for Measuring Temperature
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Monitoring Points for Measuring Temperature
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Reporting Equipment Heat Loads