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Intel manual ERP2U Entry Redundant Power 2U Power Supply Design Guide, Version

Models: ERP2U

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SSI

ERP2U

(Entry Redundant Power 2U)

Power Supply Design Guide

A Server System Infrastructure (SSI) Specification

For 2U Rack Chassis Power Supplies

Version 1.0

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Intel manual ERP2U Entry Redundant Power 2U Power Supply Design Guide, A Server System Infrastructure SSI Specification

Contents

A Server System Infrastructure SSI Specification ERP2U Entry Redundant Power 2U Power Supply Design GuideFor 2U Rack Chassis Power Supplies VersionDisclaimer Purpose ContentsConceptual Overview Definitions/Terms/AcronymsTables FiguresMTBF Agency Requirements2 Conceptual Overview 1 Purpose3 Definitions/Terms/Acronyms Required Optional 4 Mechanical OverviewFigure 1 Enclosure Drawing 4.2 Airflow Requirements 4.1 Optional Chassis Mounting FeaturesOptional Recommended5.1 AC Inlet Connector 4.3 Temperature Requirements5 AC Input Requirements 5.2 Redundant AC Inlets5.4 Efficiency 5.3 AC Input Voltage Specification47 Hz 63 Hz5.6 AC Line Fuse 5.5 AC Line Dropout5.7 AC Inrush 5.9 AC Line Fast Transient Specification 5.8 AC Line Transient SpecificationTable 4 AC Line Sag Transient Performance Table 5 AC Line Surge Transient Performance6.1 Output Connectors 6 DC Output Specification6.1.1 Required Baseboard power connector 6.1.2 Optional Processor Power Connector6.1.4 Required Floppy Power Connector 6.1.3 Required Peripheral Power ConnectorsTable 8 Peripheral Power Connectors Table 9 P9 Floppy Power Connector6.2 Grounding 6.1.5 Optional Server Signal Connector6.3 Remote Sense Table 11 350 W Load Ratings 6.4 Output Power/CurrentsTable 12 480 W Load Ratings 6.4.1 Standby Outputs 6.5 Voltage Regulation6.7 Capacitive Loading 6.6 Dynamic Loading6.8 Ripple / Noise Table 15 Transient Load Requirements6.10 Hot Swap Requirements 6.9 RedundancyTable 17 Ripple and Noise DC connect at the same time as the module is inserted into the cage. No damage to the connector contacts shall occur. The module may power on or come up into standby mode Table 18 Output Voltage Timing 6.11 Timing RequirementsFigure 2 Output Voltage Timing Table 19 Turn On/Off Timing Figure 3 Turn On/Off Timing 7.1 Current Limit 7 Protection Circuits7.2 240VA Protection 7.3 Over Voltage Protection 7.4 Over Temperature ProtectionTable 21 Over Current Protection Table 22 Over Voltage Limits8.1 PSON# 8 Control and Indicator FunctionsTable 24 PWOK Signal Characteristics 8.2 PWOK Power OK8.3 SMBus Communication 8.3.1 Field Replacement Unit FRU Signals8.3.2 Module FRU Data 8.3.3 Module FRU Data FormatField Name PS Info 8.3.3.2 MultiRecord AreaField Information Definition LED Indicators 8.4 LED IndicatorsPOWER SUPPLY CONDITION Power Supply LEDs10Agency Requirements 9 MTBF