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150-409-115-05, Issue 5 Glossary
EDU-409 List 1 January 26, 2000 25
GLOSSARY
American Wire
Gauge
The standard used to describe wire size. The diameter of the wire
increases as the gauge decreases. 26 gauge is 4 mm (0.0157') in
diameter, 24 gauge is 51 mm (0.0201'), and so on.
2B1Q Two-Binary, One-Quaternary. Line coding used for HDSL.
Cable Binder
Group
A group of 25 pairs of wires.
Bridged Tap A pair of wires connected in parallel across a single line to form a “T”
configuration.
Loop A length of twisted-pair copper wire connecting the local unit of an
HDSL circuit to the remote unit.