Skip to main content

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.

Block error ratio (BLER)

Return to glossary

Block error ratio (BLER), as defined by the IEEE 802.3dj standard, is an estimate of the codeword error ratio adjusted for the error ratio allocated to inter-sublayers (ISLs) that are not included in the test.