Definition

loading coil

A loading coil is an induction device placed on a local loop longer than 18,000 feet that carries analog signals. The device compensates for wire capacitance and boosts the frequencies carrying the voice information. Loading coils cause distortion at the higher frequencies used to carry digital information and so are not used on these local loops.

Related glossary terms: small form factor (SFF), gigapop (gigabit point-of-presence), small form-factor pluggable (SFP), DTMF (dual tone multi frequency), carrier network, dark fiber, Router, V.xx, terminal adapter (TA), port

Contributor(s): Lisa Lancett-Boyd

This was last updated in April 2005

Posted by: Margaret Rouse

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Resources from around the Web
- Telecommunications Technical Fundamentals , a technical seminar handout from the Moulton Company, provides a comprehensive review of telephone and telecommunication topics.

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