September 2005

  • coaxial cable (illustrated)

    Coaxial cable is the kind of copper cable used by cable TV companies between the community antenna and user homes and businesses.

  • cable head-end

    A cable head-end (or headend) is the facility at a local cable TV office that originates and communicates cable TV services and cable modem services to subscribers.

  • spatial division multiple access (SDMA)

    Also see frequency division multiple access (FDMA) and time division multiple access (TDMA).

  • 802.3

    802.3 is a standard specification for Ethernet, a method of physical communication in a local area network (LAN), which is maintained by the Institute of Electrical and Electronics Engineers (IEEE).

  • 10BASE-F

    10BASE-F, one of several physical media specified by IEEE 802.3, is the use of optical fiber in an Ethernet local area network (LAN).

  • lambda switching (photonic switching, or wavelength switching)

    Lambda switching (sometimes called photonic switching, or wavelength switching) is the technology used in optical networking to switch individual wavelengths of light onto separate paths for specif...

  • visitor-based networking (VBN)

    Visitor-based networking (VBN) is the provision of high-speed Internet access for mobile PC users in need of temporary service in public places.

  • network interface unit (NIU or Network Interface Device)

    A network interface unit (NIU) (sometimes called a network interface device) is a device that serves as a common interfacefor various other devices within a local area network (LAN), or as an inter...

  • telephone jacks

    In the U. S., telephone jacks are also known as registered jacks, sometimes described as RJ-XX, and are a series of telephone connection interfaces (receptacle and plug) that are registered with th...

  • balun

    A balun is a device that joins a balanced line (one that has two conductors, with equal currents in opposite directions, such as a twisted pair cable) to an unbalanced line (one that has just one c...

  • ETSI (European Telecommunications Standards Institute)

    The European Telecommunications Standards Institute (ETSI) is a non-profit organization that establishes telecommunications standards for Europe.

  • D-channel

    In the Integrated Services Digital Network (ISDN), the D-channel is the channel that carries control and signalling information.

  • High-Speed Circuit-Switched Data (HSCSD)

    High-Speed Circuit-Switched Data (HSCSD) is circuit-switched wireless data transmission for mobile users at data rates up to 38.4 Kbps, four times faster than the standard data rates of the Global ...

  • X server

    An X server is a server of connections to X terminals in a distributed network that uses the X Window System.

  • whois

    whois is a program that will tell you the owner of any second-level domain name who has registered it with Verisign (or with Network Solutions, which was acquired by Verisign).

  • root directory

    In a computer file system that is organized as a hierarchy or tree, the root directory is the directory that includes all other directories.

  • 10BASE-36

    10BASE-36 is a type of physical cabling defined in the IEEE 802.3 (Ethernet) standard for broadband application.

  • DECT (Digital Enhanced Cordless Telecommunications)

    Unlike the analog cordless phones you may have in your home, DECT (Digital Enhanced Cordless Telecommunications) is a digital wireless telephone technology that is expected to make cordless phones ...

  • Transmeta

    Transmeta is a Silicon Valley start-up company known for its recruitment of high profile talent and its Crusoe chip, designed for mobile Internet computing.

  • 10BASE-5

    10BASE-5, one of several physical media specified by IEEE 802.3 for use in an Ethernet local area network (LAN), consists of Thickwire coaxial cable with a maximum segment length of 500 meters.