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Idaho State University

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Trunk
  • A single transmission channel between two points that are switching centers or nodes, or both. 2. [A] circuit between switchboards or other switching equipment, as distinguished from circuits which extend between central office switching equipment and information origination/termination equipment. (CFR 47) See also central office trunk, channel (defs. #1, #3, #5), circuit (def. #2), common trunk, cross-office trunk, interposition trunk, interswitch trunk, intraoffice trunk, one-way trunk, tandem center, tandem tie trunk network, transmission channel.