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.