TIA Publishes New Standard- ANSI/TIA-455-227-A
Arlington VA (March 18, 2026) – The Telecommunications Industry Association, which develops standards for the information and communications technology industry, has released a new document, ANSI/TIA-455-227-A, FOTP-227 Adoption of IEC 61300-3-55:2020 Fiber Optic Interconnecting Devices and Passive Components- Basic Test and Measurement Procedures- Part 3-55: Examinations and Measurements- Polarization Extinction Ratio and Keying Accuracy of Polarization Maintaining, Passive, Optical Components.
ANSI/TIA-455-227-A is a revision of TIA/EIA-455-227 by adopting IEC 61300-3-55:2020 and publish as ANSI/TIA-455-227-A.
For more information about TR-42 and how to participate in standards development with TIA, contact our Membership Department at MEMBERSHIP@tiaonline.org.
TIA is actively seeking participation in this process from the user and general interest communities.
TIA standards may be purchased at TIA Standards Store.
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About TIA
The Telecommunications Industry Association (TIA) advances trusted digital infrastructure for a connected world. Representing more than 400 companies globally, TIA brings together industry and government through standards development, certification programs, government advocacy, and communities of interest to support secure, resilient, and scalable connectivity. TIA is accredited by the American National Standards Institute (ANSI) and plays a central role in shaping the future of global infrastructure.