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!
... The racial makeup of the town is 98.12% White, 0.00% African American, 0.06% Native American, 0.58% Asian, 0.00% Pacific Islander, 0.26% from other races, and 0.97% from ...