April 2005

  • Phone numbers

    Resources for looking up phone numbers.05 Apr 2005

  • SCART connector

    A SCART connector is a physical and electrical interconnection between two pieces of audio-visual equipment, such as a television set and a video cassette recorder (VCR).05 Apr 2005

  • dark fiber

    Dark fiber is optical fiber infrastructure (cabling and repeaters) that is currently in place but is not being used.05 Apr 2005

  • LANDesk Client Manager (LDCM)

    LDCM (LANDesk Client Manager) is a software product from Intel that lets a system administrator for a local area network () see the configurations and monitor the status of personal computer on the...05 Apr 2005

  • LEC (local exchange carrier)

    LEC (local exchange carrier) is the term for a public telephone company in the U.S. that provides local service.05 Apr 2005

  • dial-up

    Dial-up pertains to a telephone connection in a system of many lines shared by many users.05 Apr 2005

  • bit robbing

    Bit robbing is a technique used in signaling on the T-carrier system, the widely-used system for transmitting both voice and data in digital form in the public switched telephone network (PSTN) and...05 Apr 2005

  • signal

    In electronics, a signal is an electric current or electromagnetic field used to convey data from one place to another.05 Apr 2005

  • S interface

    In Integrated Services Digital Network (ISDN) service, an S interface is the electrical interface between a network terminating unit 1 (NT and up to eight addressable devices such as a computer or ...05 Apr 2005

  • twinaxial cable

    Twinaxial cable is coaxial cable that contains two inner conducting wires rather than one.05 Apr 2005

  • splitter

    In telephony, a splitter, sometimes called a "plain old telephone service splitter," is a device that divides a telephone signal into two or more signals, each carrying a selected frequency range, ...05 Apr 2005

  • BOC (Bell operating company)

    BOC (Bell operating company) is a term for any of the 22 original companies (or their successors) that were created when AT&T was broken up in 1983 and given the right to provide local telephon...05 Apr 2005

  • Joint Academic Network (JANET)

    In the United Kingdom, JANET (Joint Academic Network) is the main backbone network for the UK university system of academic and research computers.05 Apr 2005

  • CPNI (Customer Proprietary Network Information)

    In the United States, CPNI (Customer Proprietary Network Information) is information that telecommunications services such as local, long distance, and wireless telephone companies acquire about th...05 Apr 2005

  • Fcc

    In Eudora and perhaps other e-mail facilities, you'll see the abbreviations "Fcc" and "Bcc".05 Apr 2005

  • Data-Link layer

    The Data-Link layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network.05 Apr 2005

  • Constellation

    Constellation was the early name for the Communicator browser and related programs from Netscape Communications.05 Apr 2005

  • control network

    A control network is a network of nodes that collectively monitor, sense, and control or enable control of an environment for a particular purpose.05 Apr 2005

  • SPID (Service Profile Identifier)

    A SPID (Service Profile Identifier) is a number assigned by a phone company to a terminal on an Integrated Services Digital Network B-channel.05 Apr 2005

  • Location Routing Number (LRN)

    In the U.S., a Location Routing Number (LRN) is a 10-digit number in a database called a Service Control Point (SCP) that identifies a switching port for a local telephone exchange.05 Apr 2005