April 2005

  • Phone numbers

    Resources for looking up phone numbers.

  • 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).

  • dark fiber

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

  • LEC (local exchange carrier)

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

  • dial-up

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

  • 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...

  • signal

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

  • 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...

  • 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 ...

  • twinaxial cable

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

  • 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, ...

  • 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...

  • 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.

  • 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...

  • Fcc

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

  • 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.

  • Constellation

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

  • 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.

  • universal network

    The "universal network" is the idea of a single network that integrates the existing voice and public telecommunications network (including the Internet), cable TV, data networks, and video broadca...

  • virtual server

    On the Internet, a virtual server is a server (computer and various server programs) at someone else's location that is shared by multiple Web site owners so that each owner can use and administer ...