Appendix A
In this chapter · 5 sections
Term help
Standards & Specifications Cross-Reference Matrix
No single standard governs an AI data center; five overlapping regimes — resilience, thermal, efficiency, hardware, compliance — do, and they don't map one-to-one. This document identity index selects the source text for a contract, RFP, or commissioning script.
What you'll decide here
- Identify document, issuer, part, edition, status and boundary; committee or class alone is insufficient.
- Select Uptime, TIA or EN/ISO maintenance/fault requirements before a rating; equal numerals do not establish equivalence.
- Select documents by boundary: TC 9.9 thermal classes; separate open-rack, power-shelf and cooling-loop interfaces.
- Check the publisher record before contract freeze. Drafts remain dependencies; superseded editions need contractual reasons. Resolve identities before acceptance criteria.
- Follow specialist chapters for application; Appendix A and /library share document identities.
This appendix is the document-identity index behind every standard the guide cites: which body issues it, which edition is in force, and what it actually governs. Read each row as identity, not endorsement. The ASHRAE–PNNL–NEMA framework supplies lifecycle guidance, not mandatory requirements; a UEC publication does not establish device interoperability. Select the issued edition, status and boundary before contracting.
1. Facility standards and classification documents
Uptime Tier, TIA Rated and EN/ISO Availability Classes use different scopes and tests. Matching numerals establish no equivalence. Select the required maintenance and fault outcomes in Chapter 12.1 before making a rating contractual.
Document identity index: facility requirements
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| ANSI/TIA-942-C | standard | TIA | C (2024) | current | 2026-09-05 | paid | Facility infrastructure and Rated levels. | ↗ · Claim |
| ANSI/TIA-942-C AI addendum | standard | TIA | Addendum 1; project | draft | 2026-09-05 | unpublished | AI facility cabling, power and cooling. | ↗ |
| ANSI/BICSI 002 | standard | BICSI | 2024 | current | 2026-09-05 | paid | Facility design. | ↗ |
| ANSI/BICSI 009 | standard | BICSI | 2024 | current | 2026-09-05 | paid | Facility operations. | ↗ |
| Uptime Tier Standard: Topology | standard | Uptime Institute | edition not stated online | current | 2026-09-05 | free | Facility topology outcomes. | ↗ |
| Uptime Tier Standard: Operational Sustainability | standard | Uptime Institute | effective 2013-04-01 | current | 2026-09-05 | free | Facility management behaviors. | ↗ |
| EN 50600-1 | standard | CENELEC / BSI | 2019 | current | 2026-09-05 | paid | Facility classification. | ↗ |
| EN 50600-2-4 | standard | CENELEC / BSI | 2023 | current | 2026-09-05 | paid | Telecom cabling. | ↗ |
| EN 50600-3-1 | standard | CENELEC / BSI | 2026 | current | 2026-09-05 | paid | Management and operation. | ↗ |
| ISO/IEC 22237-1 | standard | ISO/IEC | 2021 | current | 2026-09-05 | paid | Facility classification. | ↗ |
| ISO/IEC 22237-2 | standard | ISO/IEC | 2024 | current | 2026-09-05 | paid | Building construction. | ↗ |
| ISO/IEC 22237-3 | standard | ISO/IEC | 2021 | current | 2026-09-05 | paid | Power distribution. | ↗ |
| ISO/IEC 22237-4 | standard | ISO/IEC | 2021 | current | 2026-09-05 | paid | Environmental control. | ↗ |
| ISO/IEC TS 22237-5 | specification | ISO/IEC | 2018 | current | 2026-09-05 | paid | Telecom cabling. | ↗ |
| ISO/IEC 22237-6 | standard | ISO/IEC | 2024 | current | 2026-09-05 | paid | Physical security. | ↗ |
| ISO/IEC TS 22237-7 | specification | ISO/IEC | 2018 | current | 2026-09-05 | paid | Management and operation. | ↗ |
| EN 50600-2-1 | standard | CENELEC / BSI | 2021 | current | 2026-09-05 | paid | Building construction. | ↗ |
| EN 50600-2-2 | standard | CENELEC / BSI | 2019 | current | 2026-09-05 | paid | Power supply and distribution. | ↗ |
| EN 50600-2-3 | standard | CENELEC / BSI | 2019 | current | 2026-09-05 | paid | Environmental control. | ↗ |
| EN 50600-2-5 | standard | CENELEC / BSI | 2021 | current | 2026-09-05 | paid | Physical security. | ↗ |
Status describes publication, not local adoption or compliance. Family entries need a selected part; base/SER-pack dates do not date every part. Access covers full documents; previews may be free. Select the stated boundary. ↗ opens its publisher record; unseen paid clauses require access.
2. Thermal guidance, installation and safety documents
ASHRAE classes define equipment envelopes, not rack-power ceilings. Chapter 5.1 qualifies air cooling; Chapter 5.7 balances warmer water’s economizer and reuse benefits against chip thermal margin.
Document identity index: thermal references
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| ASHRAE TC 9.9 Datacom Encyclopedia | guideline | ASHRAE | Online; revision ID not published | current | 2026-09-05 | paid | Datacom engineering reference. | ↗ |
| ASHRAE Datacom book 1: Thermal Guidelines for Data Processing Environments | guideline | ASHRAE | 5th (2021) | historical | 2026-09-05 | paid | Air A1–A4/H1 and facility-water W classes. | ↗ · Access · Claim |
| ASHRAE Datacom book 2: IT Equipment Power Trends | guideline | ASHRAE | 3rd (2018) | historical | 2026-09-05 | paid | IT power trends. | ↗ · Access |
| ASHRAE Datacom book 3: Design Considerations for Datacom Equipment Centers | guideline | ASHRAE | 2nd (2009) | historical | 2026-09-05 | paid | Facility design. | ↗ · Access |
| ASHRAE Datacom book 4: Liquid Cooling Guidelines for Datacom Equipment Centers | guideline | ASHRAE | 2nd (2013) | historical | 2026-09-05 | paid | Liquid-cooling system design. | ↗ · Access · Errata |
| ASHRAE Datacom book 5: Structural and Vibration Guidelines for Datacom Equipment Centers | guideline | ASHRAE | 2008 | current | 2026-09-05 | paid | Structure and vibration. | ↗ · Access |
| ASHRAE Datacom book 6: Best Practices for Datacom Facility Energy Efficiency | guideline | ASHRAE | 2nd (2009) | historical | 2026-09-05 | paid | Facility efficiency. | ↗ · Access |
| ASHRAE Datacom book 7: High Density Data Centers—Case Studies and Other Considerations | guideline | ASHRAE | 2008 | historical | 2026-09-05 | paid | High-density design cases. | ↗ · Access |
| ASHRAE Datacom book 8: Particulate and Gaseous Contamination in Datacom Environments | guideline | ASHRAE | 2nd (2014) | current | 2026-09-05 | paid | Contamination control. | ↗ · Access |
| ASHRAE Datacom book 9: Real-Time Energy Consumption Measurements in Data Centers | guideline | ASHRAE | 2010 | current | 2026-09-05 | paid | Energy measurement. | ↗ · Access |
| ASHRAE Datacom book 10: Green Tips for Data Centers | guideline | ASHRAE | 2011 | current | 2026-09-05 | paid | Efficiency practices. | ↗ · Access |
| ASHRAE Datacom book 11: PUE: A Comprehensive Examination of the Metric | guideline | ASHRAE | 2014 | current | 2026-09-05 | paid | PUE interpretation. | ↗ · Access |
| ASHRAE Datacom book 12: Server Efficiency: Metrics for Computer Servers and Storage | guideline | ASHRAE | 2015 | historical | 2026-09-05 | paid | IT efficiency metrics. | ↗ · Access |
| ASHRAE Datacom book 13: IT Equipment Design Impact on Data Center Solutions | guideline | ASHRAE | 2016 | current | 2026-09-05 | paid | IT and facility interfaces. | ↗ · Access |
| ASHRAE Datacom book 14: Advancing DCIM with IT Equipment Integration | guideline | ASHRAE | 2019 | current | 2026-09-05 | paid | DCIM integration. | ↗ · Access |
| ASHRAE Standard 90.4 | standard | ASHRAE | 2025 | current | 2026-09-05 | paid | Data-center energy performance. | ↗ |
| ASHRAE Standard 127 | standard | ASHRAE | 2020 | current | 2026-09-05 | paid | Cooling-equipment rating tests. | ↗ |
| ASHRAE Standard 188 | standard | ASHRAE | 2021 | current | 2026-09-05 | paid | Building-water Legionella risk. | ↗ |
| ASHRAE Standard 202 | standard | ASHRAE | 2024 | current | 2026-09-05 | paid | Building commissioning process. | ↗ |
| AI Data Center Energy Performance Framework | guideline | PNNL / ASHRAE / NEMA | Online; revision ID not published | current | 2026-09-05 | free | AI facility energy and water practices. | ↗ |
| ASHRAE Guideline 0 | guideline | ASHRAE | 2019 | current | 2026-09-05 | paid | Whole-building commissioning. | ↗ |
| ASHRAE Guideline 1.1 | guideline | ASHRAE | 2025 | current | 2026-09-05 | paid | HVAC commissioning. | ↗ |
| ASHRAE Guideline 12 | guideline | ASHRAE | 2023 | current | 2026-09-05 | paid | Building-water Legionella management. | ↗ |
| ASHRAE Handbook—Fundamentals (2017), Chapter 8 | guideline | ASHRAE | 2017 SI; Sound and Vibration | historical | 2026-09-08 | free | Octave/A-weighting, level summation and propagation; no project noise limits. | Chapter |
Historical Datacom books remain in the paid Encyclopedia archive; current books are still sold separately.
Document identity index: installation and safety references
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| NFPA 70 | standard | NFPA | 2026 | current | 2026-09-05 | paid | Electrical installations. | ↗ |
| NFPA 70E | standard | NFPA | 2027 | current | 2026-09-05 | paid | Electrical work safety. | ↗ |
| NFPA 75 | standard | NFPA | 2024 | current | 2026-09-05 | paid | IT equipment fire protection. | ↗ |
| NFPA 76 | standard | NFPA | 2024 | current | 2026-09-05 | paid | Telecom facility fire protection. | ↗ |
| NFPA 855 | standard | NFPA | 2026 | current | 2026-09-05 | paid | Stationary energy-storage installation. | ↗ |
| NFPA 110 | standard | NFPA | 2025 | current | 2026-09-05 | paid | Emergency and standby power systems. | ↗ |
| NFPA 780 | standard | NFPA | 2026 | current | 2026-09-05 | paid | Lightning-protection installation. | ↗ |
| IEC 60038 | standard | IEC | 2009 + AMD1:2021; ed. 7.1 | current | 2026-09-05 | paid | System voltage values. | ↗ |
| IEC 60255 | standard | IEC | Series; -1:2022 base | varies by part | 2026-09-05 | paid | Protection relays. | ↗ |
| IEC 60309 | standard | IEC | Series; -1:2021 + COR1:2023 base | varies by part | 2026-09-05 | paid | Industrial plugs and sockets. | ↗ |
| IEC 60320 | standard | IEC | Series; -1:2021 base | varies by part | 2026-09-05 | paid | Equipment couplers. | ↗ |
| IEC 60364 | standard | IEC | Series; -1:2025 base | varies by part | 2026-09-05 | paid | Low-voltage installations. | ↗ |
| IEC 61000-4-30 | standard | IEC | 2025; corrected 2026-07 | current | 2026-09-05 | paid | Power-quality measurement. | ↗ |
| IEC 61439 | standard | IEC | Series; -1:2020 base | varies by part | 2026-09-05 | paid | Low-voltage assemblies. | ↗ |
| IEC 61508-6 | standard | IEC | 2010; ed. 2.0 | current | 2026-09-05 | paid | Functional-safety application guidance. | ↗ |
| IEC 61511 | standard | IEC | 2026 SER pack; part editions vary | varies by part | 2026-09-05 | paid | Process safety systems. | ↗ |
| IEC 61643 | standard | IEC | Series; -01:2024 base | varies by part | 2026-09-05 | paid | Surge-protective devices. | ↗ |
| IEC 61643-01 | standard | IEC | 2024; ed. 1.0 | current | 2026-09-05 | paid | Surge-protection general requirements. | ↗ |
| IEC 61643-11 | standard | IEC | 2025; ed. 2.0 | current | 2026-09-05 | paid | AC surge-protective devices. | ↗ |
| IEC 61643-41 | standard | IEC | 2025; ed. 1.0 | current | 2026-09-05 | paid | DC surge-protective devices. | ↗ |
| IEC 61850 | standard | IEC | 2026 SER pack; part editions vary | varies by part | 2026-09-05 | paid | Utility-automation communications. | ↗ |
| IEC 62053-22 | standard | IEC | 2020; ed. 2.0 | current | 2026-09-05 | paid | Static active-energy meters. | ↗ |
| IEC 62271 | standard | IEC | 2026 SER pack; part editions vary | varies by part | 2026-09-05 | paid | High-voltage switchgear. | ↗ |
| IEC 62305 | standard | IEC | 2026 SER pack; parts 1–4:2024 | varies by part | 2026-09-05 | paid | Lightning protection. | ↗ |
| IEC 62305-2 | standard | IEC | 2024 + COR1:2024; ed. 3.0 | current | 2026-09-05 | paid | Lightning-risk management. | ↗ |
| IEC 62305-3 | standard | IEC | 2024; ed. 3.0 | current | 2026-09-05 | paid | Physical lightning protection. | ↗ |
| IEC 62682 | standard | IEC | 2022; ed. 2.0 | current | 2026-09-05 | paid | Alarm-system management. | ↗ |
| EN 54 | standard | CEN / BSI | Series; -1:2021 introduction | varies by part | 2026-09-05 | paid | Fire detection and alarms. | ↗ |
| EN 13445 | standard | CEN / BSI | Series; -1:2026 general | varies by part | 2026-09-05 | paid | Unfired pressure vessels. | ↗ |
| EN 13480 | standard | CEN / BSI | Series; -1:2024 general | varies by part | 2026-09-05 | paid | Metallic industrial piping. | ↗ |
| EN 15978 | standard | CEN / BSI | 2026 | current | 2026-09-05 | paid | Building environmental assessment. | ↗ |
| EN 16750 | standard | CEN / NSAI | 2017 + A1:2020 | current | 2026-09-05 | paid | Oxygen-reduction fire prevention. | ↗ |
| ISO 668 | standard | ISO | 2020 + Amd1:2022 | current | 2026-09-05 | paid | Freight-container dimensions. | ↗ |
| ISO 10816 | standard | ISO | Series; editions vary by part | varies by part | 2026-09-05 | paid | Machine vibration evaluation. | ↗ |
| ISO 14001 | standard | ISO | 2026; ed. 4 | current | 2026-09-05 | paid | Environmental management. | ↗ |
| ISO 14040 | standard | ISO | 2006 + Amd1:2020 | current | 2026-09-05 | paid | Life-cycle assessment. | ↗ |
| ISO 45001 | standard | ISO | 2018 + Amd1:2024 | current | 2026-09-05 | paid | Occupational health and safety. | ↗ |
| ANSI/TIA-607 | standard | TIA | E (2024) | current | 2026-09-05 | paid | Telecom bonding and grounding. | ↗ |
| IEEE 80 | standard | IEEE | 2013; incorporates Cor1:2015 | inactive-reserved | 2026-09-05 | paid | Substation grounding. | ↗ |
| IEEE 1100 | standard | IEEE | 2005 | inactive-reserved | 2026-09-05 | paid | Equipment powering and grounding. | ↗ |
| IEEE 142 | standard | IEEE | 2007 | inactive-reserved | 2026-09-05 | paid | Industrial grounding. | ↗ |
| IEEE 1547 | standard | IEEE | 2018 + 1547a:2020 | current | 2026-09-05 | paid | Distributed-energy interconnection. | ↗ |
| IEEE 1668 | recommended practice | IEEE | 2017 | active | 2026-09-09 | paid | Voltage-sag and short-interruption ride-through testing for end-use equipment below 1,000 V; the ride-through curve SPP's HILL requirement builds on (4.10). | ↗ |
| IEEE 1584 | standard | IEEE | 2018 | current | 2026-09-05 | paid | Arc-flash calculations. | ↗ |
| IEEE 2030.7 | standard | IEEE | 2017 | current | 2026-09-05 | paid | Microgrid controllers. | ↗ |
| IEEE 2030.8 | standard | IEEE | 2018 | current | 2026-09-05 | paid | Microgrid-controller tests. | ↗ |
| IEEE 242 | standard | IEEE | 2001 | inactive-reserved | 2026-09-05 | paid | Industrial protection. | ↗ |
| IEEE 2800 | standard | IEEE | 2022 | current | 2026-09-05 | paid | Transmission-connected inverter resources. | ↗ |
| IEEE 2883 | standard | IEEE | 2022 | current | 2026-09-05 | paid | Storage sanitization. | ↗ |
| IEEE 3002.2 | standard | IEEE | 2018 | current | 2026-09-05 | paid | Load-flow studies. | ↗ |
| IEEE 3002.3 | standard | IEEE | 2018 | current | 2026-09-05 | paid | Short-circuit studies. | ↗ |
| IEEE 3004 | standard | IEEE | Series; editions vary by part | varies by part | 2026-09-05 | paid | Equipment protection. | ↗ |
| IEEE 399 | standard | IEEE | 1997 | inactive-reserved | 2026-09-05 | paid | Industrial power-system analysis. | ↗ |
| IEEE 450 | standard | IEEE | 2020 | current | 2026-09-05 | paid | Stationary lead-acid battery maintenance. | ↗ |
| IEEE 519 | standard | IEEE | 2022 | current | 2026-09-05 | paid | Harmonic control. | ↗ |
| IEEE C57.110 | recommended practice | IEEE | 2018 | active | 2026-09-08 | paid | Transformer capability under nonsinusoidal currents; use the offered transformer and applicable method. Catalog scope opened; paid clauses are a separate access requirement. | ↗ |
| IEEE PC57.110 | revision project | IEEE | PAR approved 2026-02-12 | active PAR; not a published replacement | 2026-09-08 | unpublished | Two-winding transformer scope; excludes rectifier transformers per the public project description. Catalog opened; draft clauses not accessed, access terms not established. | Project |
| IEEE P80 | guideline | IEEE | PAR 2025-09-10; draft ID not public | draft | 2026-09-05 | unpublished | Substation grounding revision. | ↗ |
| ISO 20816 | standard | ISO | Series; Part 1:2016 | varies by part | 2026-09-08 | paid | Machine vibration; select machinery part. Excludes floor/pipe-support limits. | Catalog |
3. Efficiency metric documents
A sustainability filing needs the applicable ISO/IEC 30134 part, edition and measurement boundary. Derive the metrics in Chapter 15.1; select their source texts here: the nine-part ISO/IEC 30134 family is indexed below.
Document identity index: efficiency metrics
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| ISO/IEC 30134-1 | standard | ISO/IEC | 2016 | current | 2026-09-05 | paid | KPI boundaries. | ↗ |
| ISO/IEC 30134-2 | standard | ISO/IEC | 2026 | current | 2026-09-05 | paid | PUE. | ↗ |
| ISO/IEC 30134-3 | standard | ISO/IEC | 2016 | current | 2026-09-05 | paid | Renewable energy factor. | ↗ |
| ISO/IEC 30134-4 | standard | ISO/IEC | 2017 + Amd 1:2025 | current | 2026-09-05 | paid | Server energy efficiency. | ↗ |
| ISO/IEC 30134-5 | standard | ISO/IEC | 2017 + Amd 1:2025 | current | 2026-09-05 | paid | Server utilization. | ↗ |
| ISO/IEC 30134-6 | standard | ISO/IEC | 2021 | current | 2026-09-05 | paid | Energy reuse factor. | ↗ |
| ISO/IEC 30134-7 | standard | ISO/IEC | 2023 | current | 2026-09-05 | paid | Cooling efficiency ratio. | ↗ |
| ISO/IEC 30134-8 | standard | ISO/IEC | 2022 | current | 2026-09-05 | paid | Carbon usage effectiveness. | ↗ |
| ISO/IEC 30134-9 | standard | ISO/IEC | 2022 | current | 2026-09-05 | paid | Water usage effectiveness. | ↗ |
| EN 50600-4-1 | standard | CENELEC / BSI | 2016 | current | 2026-09-05 | paid | KPI boundaries. | ↗ |
| EN 50600-4-3 | standard | CENELEC / BSI | 2016 + A1:2019 | current | 2026-09-05 | paid | Renewable energy factor. | ↗ |
| EN 50600-4-6 | standard | CENELEC / BSI | 2020 | current | 2026-09-05 | paid | Energy reuse factor. | ↗ |
| EN 50600-4-7 | standard | CENELEC / BSI | 2020 | current | 2026-09-05 | paid | Cooling efficiency ratio. | ↗ |
| EN 50600-4-9 | standard | CENELEC / BSI | 2022 | current | 2026-09-05 | paid | Water usage effectiveness. | ↗ |
4. Open hardware and fabric specifications
An open rack frame does not qualify its power shelf, cooling loop or fabric. Pin each interface document, then qualify the integrated rack in Chapter 7.13 and transport in Chapter 8.4.
Document identity index: hardware and fabric specifications
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| OCP ORv3 Base Specification | specification | OCP | 1.1 | current | 2026-09-05 | free | Rack interface. | ↗ |
| OCP ORW Base Specification | specification | OCP | 1.0 | current | 2026-09-05 | free | Wide-rack interface. | ↗ |
| OCP ORW Meta Design Specification | specification | OCP | 1.0 | current | 2026-09-05 | free | Meta wide-rack design. | ↗ |
| OCP ORW Canister IT Gear Design Guide | guideline | OCP | 0.1 | draft | 2026-09-05 | free | IT canister design. | ↗ |
| OCP ACS Cold Plate Requirements | specification | OCP | Revision 1 | current | 2026-09-05 | free | Cold-plate qualification. | ↗ |
| OCP ACS Cold Plate Cooling Loop Requirements | specification | OCP | Revision 2 | current | 2026-09-05 | free | Cooling-loop qualification. | ↗ |
| OCP Diablo 400 | specification | OCP | v0.7.0 | current | 2026-09-05 | free | Sidecar rack and power base. | ↗ · Claim |
| OCP GB200 NVL72 design specification | specification | OCP | MGX rack/trays rev. 1.0 | current | 2026-09-05 | free | NVIDIA MGX contributed rack/tray interfaces. | ↗ · Approved contribution |
| OCP S.A.F.E. framework | guideline | OCP | 1.2 (2025-08) | current | 2026-09-05 | free | Hardware security appraisal. | ↗ |
| Caliptra specification | specification | CHIPS Alliance / OCP | 2.0; main spec v1.0 | current | 2026-09-05 | free | Silicon root of trust. | ↗ |
| UEC Specification 1.0 | specification | UEC | 1.0 | superseded | 2026-09-05 | free | Ethernet transport for AI/HPC. | ↗ · Claim |
| UEC Specification 1.0.3 | specification | UEC | 1.0.3 | current | 2026-09-05 | free | Ethernet transport for AI/HPC. | ↗ · Claim |
| IBTA InfiniBand Architecture Volume 1 | specification | IBTA | Release 2.1 | current | 2026-09-05 | member | Transport and architecture. | ↗ |
| IBTA InfiniBand Architecture Volume 2 | specification | IBTA | Release 2.1 | current | 2026-09-05 | member | Physical links. | ↗ |
| IEEE 802.3 | standard | IEEE | 2022 | current | 2026-09-05 | free | Ethernet MAC and PHY. | ↗ |
| IEEE 802.3df | standard | IEEE | 2024 | current | 2026-09-05 | free | Ethernet high-speed PHY amendment. | ↗ |
| IEEE P802.3dj | standard | IEEE | D3.2 | draft | 2026-09-05 | paid | Next Ethernet PHY amendment. | ↗ · Draft access |
| IEEE 802.1Qbb | standard | IEEE | 2011 | superseded | 2026-09-05 | paid | Priority flow control. | ↗ |
| IEEE 1588 | standard | IEEE | 2019 | current | 2026-09-05 | paid | Packet-network clock synchronization. | ↗ |
| OIF 800ZR | specification | OIF | OIF-800ZR-01.0 (2024) | current | 2026-09-05 | free | Coherent optical interoperability. | ↗ |
| UALink 200G | specification | UALink Consortium | 1.0 | current | 2026-09-05 | free | Initial scale-up protocol. | ↗ · Claim |
| UALink Common | specification | UALink Consortium | 2.0 | current | 2026-09-05 | free | Common scale-up semantics. | ↗ |
| UALink 200G DL/PL | specification | UALink Consortium | 2.0 | current | 2026-09-05 | free | Data-link and physical layers. | ↗ |
| UALink 128G DL/PL | specification | UALink Consortium | 1.0 | current | 2026-09-05 | free | Data-link and physical layers. | ↗ |
| UALink Chiplet | specification | UALink Consortium | 1.01 | current | 2026-09-05 | free | Chiplet integration. | ↗ |
| UALink Manageability | specification | UALink Consortium | 1.0 | current | 2026-09-05 | free | Fabric management. | ↗ |
| IEEE P802.1Qdw | standard | IEEE | PAR approved 2022-09-21; no current draft | draft | 2026-09-05 | unpublished | Source flow control project; no published standard. | ↗ |
| CSIG Internet-Draft | specification | Individual authors; IETF Datatracker | draft-ravi-ippm-csig-01 (2024-02-02) | historical | 2026-09-05 | free | Expired 2024-08-05; experimental proposal, not an RFC. | ↗ |
| OIF ELSFP 2.0 | specification | OIF | OIF-ELSFP-02.0 (2025-01) | current | 2026-09-05 | free | External laser interface; does not qualify optical-engine FRUs. | ↗ |
| UET 1.0.3 | specification | Ultra Ethernet Consortium | UE 1.0.3 transport layer (2026-07-16) | current | 2026-09-05 | free | Transport portion of UE specification; profile support separately qualified. | ↗ |
| TIA 400GBASE-DR4 application overview | report | TIA FOTC | Undated; IEEE 802.3bs-2017 application | current | 2026-09-05 | free | Four SMF lanes per direction; eight fibers; application note. | ↗ |
| TIA 800GBASE-DR8 application overview | report | TIA FOTC | Undated; IEEE 802.3df-2024 application | current | 2026-09-05 | free | Eight SMF lanes per direction; sixteen fibers; application note. | ↗ |
| IEEE 802.3bs | standard | IEEE | 2017; incorporated into IEEE 802.3-2022 | superseded | 2026-09-05 | paid | 200/400 Gb/s Ethernet amendment, including DR4. | ↗ |
Caliptra supplies a silicon root of trust; S.A.F.E. supplies third-party design appraisal. Apply their separate boundaries in Chapter 11.4 and Chapter 11.3.
5. Security standards and legal instruments
July 1, 2028
CIP-002-8 future enforcement date in NERC’s June 2026 bulletin
Apply the currently enforceable version and entity/system applicability; approval and future enforcement are different events.
Scope & caveats
Applies only to entities/systems within the standard’s applicability; approval is not the compliance date.
Tenant, data and operator role determine applicability: SOC 2/ISO for commercial operations, FedRAMP/CMMC for relevant US-government work, NERC CIP for applicable registered grid functions, and ISO/IEC 42001 for AI management. Their authorities, scopes and audit duties differ. For OT, IEC 62443-2-1 governs the owner’s security program; IEC 62443-3-2 governs system-design risk assessment. Neither replaces the other. Resolve legal applicability in Chapter 11.11. FedRAMP 20x: Class A/B/C available; rules finalized.
Document identity index: security and law
| Document | Kind | Issuing body | Part / edition / version | Status | As of | Access | Applicable boundary | Evidence locator |
|---|---|---|---|---|---|---|---|---|
| IEC 62443-3-3 | standard | IEC / ISA | 2013 | current | 2026-09-05 | paid | Control-system security requirements. | ↗ |
| ISO/IEC 27001 | standard | ISO/IEC | 2022 + Amd 1:2024 | current | 2026-09-05 | paid | Information-security management. | ↗ |
| ISO/IEC 42001 | standard | ISO/IEC | 2023 | current | 2026-09-05 | paid | AI management system. | ↗ |
| EU AI Act | regulation | EU | Regulation (EU) 2024/1689 | current | 2026-09-05 | free | AI-system and GPAI obligations. | ↗ |
| NIS2 | regulation | EU | Directive (EU) 2022/2555 | current | 2026-09-05 | free | Cybersecurity duties for in-scope entities. | ↗ |
| EED | regulation | EU | Directive (EU) 2023/1791 | current | 2026-09-05 | free | Energy efficiency and reporting. | ↗ |
| EnEfG | regulation | Germany | 13 November 2023 | current | 2026-09-05 | free | German energy-efficiency duties. | ↗ |
| IEC 62443-2-1 | standard | IEC | 2024; ed. 2.0 | current | 2026-09-05 | paid | IACS asset-owner security program. | ↗ |
| IEC 62443-3-2 | standard | IEC | 2020; ed. 1.0 | current | 2026-09-05 | paid | IACS system-design risk assessment, zones and conduits. | ↗ |
May 2024
TIA-942-C: AI growth and sustainability; Rated-1..4 naming dates to the 2014 TIA/Uptime separation
Scope & caveats
TIA announced Revision C on May 9, 2024. Rated terminology predates this edition; TIA/Uptime announced the Tier-name separation in March 2014. Licensed clause-level conformance and local adoption require separate records.
5th ed. (2021)
ASHRAE fifth edition: W17/W27/W32/W40/W45/W+; new W40 and H1
Scope & caveats
The fifth edition revised an existing liquid-class scheme; liquid classes W1–W5 predate it. The same edition adds the H1 air class (15–25 °C allowable, 18–22 °C recommended).
30–40 kW typical RDHx; >50 kW with active fans; not a universal limit
SemiAnalysis/nVent RDHx: 30–40 kW typical; >50 kW with active fans; qualify the door/rack
Scope & caveats
Select on the named door/rack, air and water conditions, fan state, containment, heat-capture target, residual room heat, climate/rejection, serviceability, redundancy, and future density.
Reference capacity, not a universal ceiling; verify named door/rack, water and air conditions, fan state, containment, and capture target.
v0.7.0
OCP Diablo 400: v0.7.0 replaces v0.5.2 (2025-05-30); ±400/800 VDC sidecar for ~100 kW to ~1 MW racks
Chapter 0.4 owns intake. Additional boundaries: resilience in Chapter 0.5; DLC in Chapter 5.4; heat reuse in Chapter 5.9; water accounting in Chapter 15.4; DC power in Chapter 4.7; grid-asset scope in Chapter 4.3. A draft or unresolved identity leaves acceptance open and transfers redesign and schedule risk into procurement.
Cite this chapter
Fehn, J. (2026). Standards & Specifications Cross-Reference Matrix (Chapter A). The Definitive Guide to AI Data Centers. https://aidatacenterguide.com/appendix-appendices-and-reference-data/a-standards-and-specifications-cross-reference-matrix (accessed 2026-09-29).
@misc{aidc-A,
author = {Fehn, Jacob},
title = {Standards & Specifications Cross-Reference Matrix (Chapter A)},
howpublished = {The Definitive Guide to AI Data Centers},
year = {2026},
url = {https://aidatacenterguide.com/appendix-appendices-and-reference-data/a-standards-and-specifications-cross-reference-matrix},
note = {Accessed 2026-09-29}
}