Core & Access Networks Definitions

  • R

    ROADM (reconfigurable optical add-drop multiplexer)

    An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ... (Continued)

  • S

    switch

    In a telecommunications network, a switch is a device that channels incoming data from any of multiple input ports to the specific output port that will take the data toward its intended destination.

  • T

    T-carrier system

    To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X. The T-carrier system, introduced by the Bell System in the U.S. in the 1960s, was the first successful system that supported digitized voice transmission.

  • telecom cloud provider

    A telecom cloud provider is a telecommunications company that has shifted a significant part of its business from landline service to devote resources to providing cloud services.

  • telecommunications (telecom)

    Telecommunications is the transmission of data, voice and video over significant distances by electronic means that use a wide variety of networks and media.

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