Derived channel

Derived channel

A signalling line circuit that uses the local leg of the public switched network as an active multiplex channel while simultaneously allowing that leg's use for normal telephone communications.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Fire safety
Category: Prevention & protection
Company: NFPA
Product:
Acronym-Abbreviation:

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Related terms

derived channel

Fire safety; Prevention & protection

A signaling line circuit that uses the local leg of the public switched network as an active multiplex channel while simultaneously allowing that leg’s use for normal telephone ...

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