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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.

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Adc EDU-409 Manuale Utente Pagina 31