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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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.

Broadband Integrated-Services Digital Network (B-ISDN)

A digital network with ATM switching operating at data rates in excess of 1.544 or 2.048 Mbit/s. ATM enables transport and switching of voice, data, image and video over the same infrastructure.

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