TIA Publishes New Standard- ANSI/TIA-455-133-B
Arlington VA (July 29, 2025) – The Telecommunications Industry Association, which develops standards for the information and communications technology industry, has released a new document, ANSI/TIA-455-133-B, FOTP-133 IEC-60793-1-22 Optical Fibers- Part 1-22: Measurement Methods and Test Procedures- Length Measurement.
ANSI/TIA-455-133-B is part of the IEC 60793 that establishes uniform requirements for measuring the length and elongation of optical fiber (typically within cable).
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) - the trusted association for the connected world, represents more than 400 organizations that enable high-speed communication networks and accelerate next-generation technology innovation. As a member-driven organization, TIA advocates for our industry in the U.S. and internationally, develops critical standards, manages technology programs, and improves business performance, all to advance trusted global connectivity. TIA is accredited by the American National Standards Institute (ANSI).