ANSI/TIA-942-C, Telecommunications Infrastructure Standard for Data Centers (TIA standard page)

Overview

This record rests on the official standard page that TIA published for revision C of TIA-942. ANSI/TIA-942-C-2024 was published in May 2024 and written by the TIA committee TR-42.1. The record therefore summarises the scope and outline of the revision, not the technical content of the standard.

The standard applies to single-tenant enterprise and multi-tenant data centres, and its topology is applicable to a data centre or computer room of any size. Revision C changes the telecommunications, power, cooling, architecture, fire protection, safety and physical security content, and adds sustainability and new-technology considerations. This scope shows that the standard concerns not only large facilities but also small computer rooms.

On the approval process, the record gives these points: final approval for publication came in February 2024, and the revision incorporates previously published addenda, new media and connectivity, edge data centre and cabinet-width revisions. Beyond the body of the standard, it includes several informative annexes. These annexes should be read as explanatory material that is not mandatory. These details come from the publication news item in Cabling Installation & Maintenance.

The record contains no rating-level requirements, sizing rules or numerical values; those appear only in the standard itself. ANSI/TIA-568 and ANSI/TIA-607 are named as related standards. For a designer, the key distinction is that TIA-942 rating (Rated-1..4) is a separate system from Uptime Tiers, with spaces named ER, MDA, HDA and EDA. Which sections these documents relate to must be learned from the standard itself.

Key points

1. Revision C was published in May 2024.
2. It applies to single-tenant enterprise and multi-tenant data centres; topology is applicable to any size.
3. It changes telecommunications, power, cooling, architecture, fire protection, safety and physical security content and adds sustainability and new-technology considerations.
4. Final approval for publication came in February 2024.
5. It incorporates previously published addenda, new media and connectivity, edge data centre and cabinet-width revisions.
6. It was written by TIA committee TR-42.1.
7. It includes several informative annexes beyond the body of the standard.
8. Related standards: ANSI/TIA-568 and ANSI/TIA-607.

Using it in design

• Offer a rating-level selector (Rated-1..4) that is separate from Uptime Tiers.
• Map cabling spaces (ER, MDA, HDA, EDA) as CAD space types.
• Consider edge data centre and cabinet-width changes as template inputs in new projects.
• Refer to the official text for the standard's numerical requirements; this record summarises scope only.

Who should read it

Designers planning data centre infrastructure, cabling engineers and compliance consultants.

Related standards

• ANSI/TIA-942-C
• ANSI/TIA-568
• ANSI/TIA-607

Publication details

Authors

TIA TR-42.1

Publisher

Telecommunications Industry Association (TIA)

Year

2024

Document number

ANSI/TIA-942-C-2024

Document language

English

Source type

Standard

Access

Citation only

Licence

Copyright retained; citation only — the publisher’s terms apply to the original document

Citation