2 Telecommunications Data Center Facility Requirements

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1 Generic Requirements for Telecommunications Data Center Equipment and Spaces GR-3160-CORE Table of Contents Table of Contents Generic Requirements Notice of Disclaimer iii Preface xv 1 Introduction 1.1 Purpose and Scope Telecommunications Carrier s Role Equipment Manufacturer Role Reason for Reissue Structure of This Document Use of This Document Requirements Terminology Requirement Labeling Conventions Numbering of Requirement and Related Objects Requirement, Conditional Requirement, and Objective Identification Telecommunications Data Center Facility Requirements 2.1 Site Selection Considerations Equipment Layout and Space Planning General Data Center Equipment Frames Data Center Doors Equipment Frame Lineups Equipment Frame Floor Loading Data Center Floor Capacity Floor Space Planning Floor Plan Data (FPD) Special Equipment Considerations Power Plant Equipment Centralized Power Plant Equipment Lineup or Frame-Mounted Power Equipment Data Center Cross-Connect Systems Data Center Facility Environmental Criteria General Temperature and Humidity Heat Dissipation Cooling Heating, Ventilation, and Air Conditioning (HVAC) Systems Central HVAC Distributed HVAC (Self-Contained HVAC Units) Air Distribution Underfloor Air Distribution Overhead Air Distribution Economizer Systems Management of Air Returns Liquid Cooling Liquid Cooling Considerations v

2 GR-3160-CORE Table of Contents Issue 2, July Data Center Room Filtration Emergency Facility Ventilation Power Requirements Introduction General AC Power System AC Distribution Grounding Isolated Ground Receptacles External AC Power Supplies Internal AC Power Supplies DC Power Systems Rectifiers Charging (Rectifiers) Equipment Batteries Flooded Lead Antinomy and Lead Calcium Cells Engineering Guidelines Power System Alarms Inverter Usage Uninterruptible Power Supplies (UPS) Standby AC Power Automatic Transfer Switch Main Line Circuit Breaker Engine Bonding and Grounding Engine Room Environment Engine Acoustics Engine Enclosures Illumination Illumination Criteria for Lighting Systems Quantity of Light Luminance Ratios Color of Light Illumination Test Methods for Data Center Lighting Systems Test 1 Work Station Illumination, Readability, and Glare Tests Test 2 Lighting System Tests Data Center Raised Floor Requirements General Raised Floor Requirements Raised Floor Fastening Equipment Fastening on Raised Floors Raised Floor Fire Protection Raised Floor Bonding and Grounding Cabling and Data Center Cable Distribution Systems (CDSs) General Cable Selection Requirements Cabling Installation Requirements Cable Pathway Systems Common Underfloor and Overhead CDSs Requirements Fiber Protection Systems (FPS) Requirements Underfloor Cable Distribution Requirements Overhead Cable Distribution Requirements vi

3 Generic Requirements for Telecommunications Data Center Equipment and Spaces GR-3160-CORE Table of Contents Cable Diversity Requirements Bonding and Grounding Conductor and Connection Requirements Bonding and Grounding Conductors Connections Connectors Fire Protection General Fire Suppression Fire Alarming Smoke Control Telecommunications Data Center Equipment Criteria 3.1 General Requirements Data Center Equipment Frame Requirements Equipment Frame Nomenclature Equipment Frame Floor Mounting Equipment Frame Junctioning Equipment Frame and Chassis Dimensions Equipment Frame Dimensions Four-Post Racks and Cabinets Equipment Frame Dimensions Open-Style Two-Post Racks Equipment Frame Dimensions Special Cases Equipment Frame Cable Management Provisions Equipment Frame Doors Equipment Frame Interface with Cable Rack Equipment Frame Weight Equipment Chassis Mounting Requirements Temperature and Humidity Criteria Operating Temperature and Humidity Criteria Operating Temperature and Humidity Expanded Criteria Over-Temperature Mitigation and Temperature Margin Evaluation Heat Dissipation and Energy Efficiency Equipment Airflow Fan-Cooled Equipment Criteria Equipment Fan Performance Criteria Equipment Fan Filters Fire Resistance Equipment Fire-Resistance Rationale Equipment Assembly Fire Test Frame-Level Fire-Resistance Criteria Shelf-Level Fire-Resistance Criteria Smoke and Self-Extinguishment Criteria Use of Fire-Resistant Materials, Components, Wiring, and Cable Within Equipment Material/Components Fire-Resistance Criteria Ignitability Requirements for Ancillary Materials Fire Resistance of Wire and Cable Between Frames Fire Resistance of Optical Fiber Cable Trays and Raceways Equipment Handling Criteria Large Package Handling Criteria Equipment Shock Criteria vii

4 GR-3160-CORE Table of Contents Issue 2, July Packaged Equipment Shock Criteria Category A Containers Category B Containers Unpackaged Equipment Shock Criteria Earthquake and Office Vibration Resistance Earthquake Environment and Criteria Earthquake Environment Earthquake and Vibration Checklist Earthquake Testing Criteria Physical Performance Criteria Functional Performance Floor-Mounted Equipment Frame and Anchor Criteria Wall-Mounted Equipment Anchor Criterion Office Vibration Environment and Testing Criteria Office Vibration Environment Physical Performance Criteria Functional Performance Criteria Acoustic Noise Illumination Criteria for Data Center Equipment Surface Reflectance and Color System-Level Electrostatic Discharge Overview ESD Immunity Criteria Immunity Criteria Normal Operation Immunity Criteria Installation and Maintenance ESD Warning Label Requirements Electrical Fast Transient (EFT) Electromagnetic Emissions and Immunity Federal Communications Commission (FCC) Part 15 Criteria Emission Criteria Documentation Immunity Criteria Radiated Immunity Criteria Electric Fields Radiated Immunity Criteria With Doors and Covers Closed Electric Fields Radiated Immunity Criteria With Doors and Covers Open Conducted Immunity Criteria Conducted Immunity Criteria for AC and DC Power Ports Conducted Immunity Requirements for Metallic I/O Interfaces Lightning Overview Functional Lightning Criteria GR-1089 Intra-Building Lightning Surge Criteria Ports Connected to Unshielded Cables I/O Ports Connected to Shielded Cables GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Equipment Powering Electrical Safety Criteria viii

5 Generic Requirements for Telecommunications Data Center Equipment and Spaces GR-3160-CORE Table of Contents Listing Requirements Bonding and Grounding General Principles Equipment Grounding Systems Equipment Frame Bonding and Grounding Equipment Chassis Bonding and Grounding Equipment Frame and Chassis Bonding and Grounding Connectors DC Power System Grounding Centralized Power Sources Bonding of Battery Return (BR) Input Terminals Environmental Test Methods 4.1 Safety Precautions Temperature and Humidity Test Methods General Testing Requirements Operating Temperature Minimum Condition Tests Operating Temperature Minimum Conditions Temperature Margin Determination Minimum Conditions Operation With Fan Failure Minimum Conditions Operating Temperature Expanded Condition Tests Operating Temperature Expanded Conditions Temperature Margin Determination Expanded Conditions Operation With Fan Failure Expanded Test Fire Test Methods Sample Configuration Testing Clarification Circuit Board Removal Adjacent Printed Wiring Boards (PWBs) in Close Proximity Case 1 No Mezzanine Cards Case 2 Mezzanine Card Case 3 Larger or Multiple Mezzanine Cards Adjacent Printed Wiring Boards (PWBs) Not in Close Proximity ATIS Test Deviation Fan Powering Options Telcordia Needle Flame Test Application to Individual Components In-Situ Application to Individual Components Application to Multiple Aggregate Configurations Guidelines for Retesting to Address Product Changes Test Reporting Additions Handling Test Methods Handling Drop Tests Packaged Equipment Category A Container Test Procedure Category B Container Test Procedure Unpackaged Equipment Drop Tests Test Procedure Equipment and Field Replaceable Units (FRUs) Weighing Less Than 25 kg (55.1 lb) Test Procedure Equipment and Field Replaceable Units (FRUs) Weighing 25 kg (55.1 lb) or More Earthquake and Office Vibration Test Methods Earthquake Test Method Test Plan ix

6 GR-3160-CORE Table of Contents Issue 2, July Laboratory Equipment Test Configuration Waveform Test Procedure Test Report Office Vibration Test Procedure Office Vibration Test Option 1 Swept Sine Office Vibration Test Option 2 Random Vibration Acoustical Measurement Methodology Procedure for Nominal Operating Conditions: Test Room at 27 C Procedure for Nominal Operating Conditions: Test Room at Other Than 27 C Procedure for Temperature Invariant Air-Moving Devices Operating Conditions Procedure for High-Temperature Operating Conditions Illumination Test Methods for Data Center Equipment Equipment Assembly Readability, Glare, and Reflectance Tests Test Procedure Equipment Assembly Readability and Glare Test Procedure Equipment Surface Reflectance System-Level Electrostatic Discharge Test Method Method Summary ESD Test Site Operating Conditions Selection of Test Points Test Points Normal Operation Test Points Installation and Repair Test Sequence Electrical Fast Transient EFT Test Methods and Procedures Radiated and Conducted Immunity Test Method Scope Test Equipment Receivers Current Probes Antennas Signal Sources Test Conditions for Test Sample Test Sample Installation Test Sample Leads Test Sample Grounding DC Return Test Temperature Conditioning of the Test Sample Interfacing Units and Simulators Data Reporting Format Radiated Immunity Measurements Shielded Enclosures Subsystem Testing Measurement Procedures Test Sample and Antenna Positioning Calibration of Generated Fields x

7 Generic Requirements for Telecommunications Data Center Equipment and Spaces GR-3160-CORE Table of Contents Test Signal Modulation Frequencies and Amplitudes To Be Scanned Conducted Immunity Measurements Test Signal Modulation Frequency Scanning and Test Selection Calibration of Test Signal AC and DC Leads (Common-Mode Injection) Communications Ports Signal Leads (Common-Mode Injection) Lightning Test Method Overview Characterization of Test Generators and Test Equipment Testing Conditions Sample Grounding Sample DC Return Number of Samples to Be Tested Intra-Building Lightning Surge Test Procedure Ports Connected to Unshielded Cables Ports Connected to Paired Shielded Cables Ports Connected to Coaxial Cables Equipment Interfacing With AC Power Port Lightning Surge Test Procedure Appendix A: Definition of Double-Exponential Waveform Appendix B: References B.1 Telcordia Documents B 1 B.2 Other Referenced Material B 2 B.3 To Obtain Additional Reference Material B 6 B.4 Telcordia Reference Notes B 6 B.4.1 Contact Telcordia Customer Service B 6 B.4.2 Order Documents Online From the Telcordia Information SuperStore.. B 7 B.4.3 Web Sites for Generic Requirements Information B 8 B.4.4 Licensing Agreements for Telcordia Documents B 8 Appendix C: Acronyms Requirement-Object Index xi

8 GR-3160-CORE List of Figures Issue 2, July 2013 List of Figures Figure 2-1 Example of a Work-Cell Figure 2-2 Typical DC Centralized Power Plant Equipment Area Figure 2-3 Mixed Inlet Air-Supply System Figure 2-4 Typical Power Distribution System Figure 2-5 Rectifier Plant Figure 2-6 Test 1 Work Station Illumination, Readability, and Glare Figure 2-7 Test 2 Lighting System Test Equipment Areas Figure 2-8 Test 2 Lighting System Test Power and Battery Areas Figure 2-9 Toggle Bar Fastening Method in Isolated Ground Plane Environment Figure 3-1 Equipment Frame Overall Dimensions Figure 3-2 Framework Base (Typical) Floor-Anchoring Hole Pattern Figure 3-3 Example of Closed and Open Slots for Mounting Hardware Figure 3-4 Profile View of Conforming Equipment Airflow Schemes Conforming to This Section Figure 3-5 Telcordia Earthquake Zone Map Figure 4-1 Card Removed and Burner Inserted in Plane of PWB Figure 4-2 Parent PWB Removed and Burner Inserted Mezzanine Card Left in Place Figure 4-3 Mezzanine Card Removed and Burner Inserted Figure 4-4 Drop Surfaces for Category A Container Figure 4-5 Test Set-Up for Category A Container Figure 4-6 Drop Surface for Category B Container Figure 4-7 Category B Container Equipment Handling Drops Figure 4-8 Unpackaged Drop Test for Equipment or FRUs < 25 kg (55.1 lb) Figure 4-9 Unpackaged Equipment and FRU 25 kg (55.1 lb) Drop Surfaces Figure 4-10 Earthquake Synthesized Waveform VERTEQII Zone Figure 4-11 Required Response Spectra Figure 4-12 Random Office Vibration Test Severity Figure 4-13 Equipment Assembly, Readability, and Glare Figure 4-14 Equipment Assembly, Surface Reflectance Figure 4-15 Cable Arrangement for Test Samples With Overhead Cables Figure 4-16 Injection Probe Calibration Setup Figure 4-17 Test Setup for Conducted Immunity Tests on AC and DC Power Ports Figure 4-18 Test Setup for Conducted Immunity Tests for Communications Ports Figure 4-19 Typical Lightning Test Generator Figure 4-20 Application of Lightning Surges Figure 4-21 Test Circuit for I/O Ports Metallic Test (Applies to One Conductor at a Time) Figure 4-22 Test Circuit for I/O Ports Longitudinal Test Figure 4-23 Figure 4-24 Test Circuit for Unshielded PoE Ports Metallic Test (SW Sets Mode A or Mode B Testing) Test Circuit for Paired-Conductor Ports Providing a Connection Means for the Shielded Cable xii

9 Generic Requirements for Telecommunications Data Center Equipment and Spaces GR-3160-CORE List of Figures Figure 4-25 Figure A-1 Figure A-2 Test Circuit for Coaxial Cable Ports Providing a Connection Means for the Shielded Cable Double Exponential Current Waveform of A/B for Surges of Table A A 1 Double Exponential Voltage Waveform of A/B for Surges of Table A A 2 xiii

10 GR-3160-CORE List of Tables Issue 2, July 2013 List of Tables Table 1-1 Application Guidelines for Equipment Criteria as a Function of Facility and Service Table 2-1 Typical Data Center Operating Limits Table 2-2 Minimum Maintained Illumination Level for Data Center Spaces Table 2-3 Equipment Fastening Considerations Table 3-1 Minimum Temperature and Humidity Limits Table 3-2 Expanded Temperature and Humidity Limits Table 3-3 Correlation of Earthquake Risks Table 3-4 Acoustical Noise Emission Limits Table 3-5 Conducted Immunity Requirements for AC and DC Power Ports Table 3-6 Conducted Immunity Requirements for Metallic I/O Interfaces Table 4-1 Variable Test Conditions Based on Effective Air-Inlet Location Table 4-2 Application Criteria for Needle Flame Test Table 4-3 Category A Container Packaged Equipment Shock Criteria Table 4-4 Table 4-5 Unpackaged Free-Fall Shock Criteria for Equipment and FRUs < 25 kg (55.1 lb) Unpackaged Equipment and FRU 25 kg (55.1 lb) Shock Criteria Table 4-6 Response Spectrum Analyzer Frequencies Table 4-7 Configuration Guidelines for Shelf-Level Testing Table to 10 GHz Immunity Scan Rate and Step Size Table 4-9 Frequencies of Key Interest Table 4-10 Intra-Building Lightning Surge for I/O Ports Table 4-11 Intra-Building Lightning Surge for Paired Shielded Cable Ports Table 4-12 Intra-Building Lightning Surge for Coaxial Cable Ports Table 4-13 Lightning Surge (AC Power Port) Table A-1 Waveform Tolerances A 2 xiv