Encyclopedia > Two-binary, one-quaternary

Article Content

Two-binary, one-quaternary

Two-binary, one-quaternary (2B1Q) is a physical layer encoding used for Integrated Services Digital Network basic rate interface. 2B1Q uses four signal levels (1Q), equivalent to two bits (2B).

This article (or an earlier version of it) contains material from FOLDOC, used with permission. Update as needed.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Photosynthesis

... production of O2, ATP, and NADPH with the consumption of solar photons and water. The Calvin cycle The Calvin cycle is similar to the Krebs cycle in some regards. ...