TIA-942 Revision C of Data Center Infrastructure Standard
The Telecommunications Industry Association, the trusted industry association for the connected world — is pleased to announce an update to its Data Centers Infrastructure Standard, TIA-942. This newly approved and soon-to-be-published document marks the third revision since the inception of the original TIA-942 standard, which is used worldwide.
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ANSI/TIA-942-C Major Modifications:
- Incorporated ANSI/TIA-942-B-1 Edge Data Centers
- Added single balanced twisted-pair cable as a recognized type of cable for horizontal cabling
- Where balanced twisted-pair cabling is used for wireless access points to category 6A or higher performing cabling runs as a minimum requirement
- Optical fiber connectors may be any TIA-568.3 compliant connector outside the EO
- Added recommendation for a minimum of two optical fibers for horizontal and backbone cabling
- Updated temperature and humidity guidelines to require the recommended temperature and humidity envelope per ASHRAE TC 9.9 Thermal Guidelines for Data Processing Environments, 5th edition, including addition of new High Density H1 Class
- Added requirement of a minimum of 800 mm wide cabinets in the MDA, IDA, and HAD
- Reduced minimum floor loading capacity for computer rooms less than 20 m2 (220 ft2) to 5 kPA (100 lbf/ft2)
- Added thermal guidelines from ASHRAE TC 9.9 Technical Bulletin on Edge Computing to the Annex on Micro Edge Data Centers
- Annex on Coordination of Equipment Plans with Other Engineers converted from informative to normative
- Annex on Data Center Space Considerations converted from informative to normative
- Annex on Data Center Site Selection and Building Design Considerations converted from informative to normative
- Annex on Data Center Infrastructure Rating converted from informative to normative, however any data center rating system may be used
- Multiple updates to data center rating tables in Annex D to make them normative if the TIA-942 rating system is used and to reflect current state of data center technology
- Annex on Edge Data Center Types converted from informative to normative, however any edge data center classification system may be used
- Added informative annex on Immersion Cooling Considerations
- Reordered annexes with normative annexes appearing before informative annexes
- Multiple updates to micro edge data center type tables in Annex F to make them normative if the TIA-942 classification system is used and to reflect current state of data center technology
- Added recommendations for management of micro edge data center environments to harmonize with ASHRAE TC 9.9