• September 21, 2005 21 Sep'05

    symmetric communications

    Compare asymmetric communications.  Continue Reading

  • September 21, 2005 21 Sep'05

    phase-shift keying (PSK)

    Phase-shift keying (PSK) is a method of digital communication in which the phase of a transmitted signal is varied to convey information.  Continue Reading

  • September 21, 2005 21 Sep'05

    softswitch

    Softswitch (software switch) is a generic term for any open application program interface (API) software used to bridge a public switched telephone network (PSTN) and Voice over Internet Protocol (VOiP) by separating the call control functions of a ...  Continue Reading

  • September 21, 2005 21 Sep'05

    infranet

    The infranet is a proposed universal, public, packet-switched supplement to the Internet for businesses and high-demand private users that would provide guaranteed security, reliability, and quality of service (QoS).  Continue Reading

  • September 21, 2005 21 Sep'05

    moonbounce or Earth-Moon-Earth (EME)

    Moonbounce, also called Earth-Moon-Earth (EME), is a form of wireless communication in which the moon is used as a passive satellite.  Continue Reading

  • September 21, 2005 21 Sep'05

    Basic Rate Interface (BRI)

    In the Integrated Services Digital Network (ISDN), there are two levels of service: the Basic Rate Interface (BRI), intended for the home and small enterprise, and the Primary Rate Interface (PRI), for larger users.  Continue Reading

  • September 21, 2005 21 Sep'05

    gigahertz (GHz)

    The gigahertz, abbreviated GHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one thousand million hertz (1,000,000,000 Hz).  Continue Reading

  • September 21, 2005 21 Sep'05

    subnetwork

    A subnetwork is a separately identifiable part of a larger network that typically represents a certain limited number of host computers, the hosts in a building or geographic area, or the hosts on an individual local area network.  Continue Reading

  • September 21, 2005 21 Sep'05

    ferrule

    A ferrule (from Latin viriola, meaning little bracelet) is a ring or cap attached to an object to protect against damage, splitting, or wear.  Continue Reading

  • September 21, 2005 21 Sep'05

    Home Phoneline Networking Alliance (HPNA)

    The HPNA (Home Phoneline Networking Alliance) is an industry group that promotes standards for using existing phone lines and jacks to interconnect computers within a home.  Continue Reading

  • September 21, 2005 21 Sep'05

    Veronica

    Veronica is a program that allowed you to search the files of the Internet's Gopher servers for a particular search string.  Continue Reading

  • September 21, 2005 21 Sep'05

    egress

    Egress (pronounced EE-grehs, from Latin egressus, or going out) is the act of going out of something.  Continue Reading

  • September 21, 2005 21 Sep'05

    vampire tap

    A vampire tap is a connection to a coaxial cable in which a hole is drilled through the outer shield of the cable so that a clamp can be connected to the inner conductor of the cable.  Continue Reading

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