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COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

American National Standards Institute (ANSI)

An official body within the United States delegated with the responsibility of defining standards. ANSI T1E1.4 is the standard body group that develops the American specifications for T1, DSL, etc., and ANSI T1.413 is the standard that has been defined for American ADSL.

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