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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.

Symmetrical Digital Subscriber Line (SDSL)

Similar to HDSL with a single twisted-pair line, carrying 1.544 Mbit/s (U.S. and Canada) or 2.048 Mbit/s (Europe) in each direction on a duplex line. This is considered symmetric because the data rate is the same in both directions.

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