two-binary, one-quaternary

Computing Dictionary

two-binary, one-quaternary definition

(2B1Q) A physical layer encoding used for Integrated Services Digital Network basic rate interface. 2B1Q represents two bits (2B - a "dibit") using one of four signal levels (1Q - a "quadratude"). The first bit of the dibit is indicated by polarity: positive indicates a binary 1 and negative indicates a 0. The second half of the dibit is indicated by voltage magnitude: 1 Volt indicates a binary 1 and 3 Volts indicates binary 0.

The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source
Previous Definition: two-beat
Next Definition: two-bit
More from
Synonyms and Antonyms for two-binary, one-quaternary
More from
Search for articles containing two-binary, one-quaternary Word FAQs presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature