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  2. Registered jack - Wikipedia

    en.wikipedia.org/wiki/Registered_jack

    Four-position, four-contact (4P4C) plug, used for connecting a telephone handset and base. Six-position, six-contact (6P6C) jack, which could be wired as RJ11, RJ14, or RJ25. A registered jack ( RJ) is a standardized telecommunication network interface for connecting voice and data equipment to a computer service provided by a local exchange ...

  3. Optical fiber connector - Wikipedia

    en.wikipedia.org/wiki/Optical_fiber_connector

    An optical fiber connector is a device used to link optical fibers, facilitating the efficient transmission of light signals. An optical fiber connector enables quicker connection and disconnection than splicing . They come in various types like SC, LC, ST, and MTP, each designed for specific applications. In all, about 100 different types of ...

  4. Patch cable - Wikipedia

    en.wikipedia.org/wiki/Patch_cable

    A patch cable, patch cord or patch lead is an electrical or fiber-optic cable used to connect ("patch in") one electronic or optical device to another for signal routing. Devices of different types (e.g., a switch connected to a computer, or a switch to a router) are connected with patch cords. Patch cords are usually produced in many different ...

  5. Telephone jack and plug - Wikipedia

    en.wikipedia.org/wiki/Telephone_jack_and_plug

    Telephone jack and plug. A telephone jack and a telephone plug are electrical connectors for connecting a telephone set or other telecommunications apparatus to the telephone wiring inside a building, establishing a connection to a telephone network. The plug is inserted into its counterpart, the jack, which is commonly affixed to a wall or ...

  6. Punch down tool - Wikipedia

    en.wikipedia.org/wiki/Punch_down_tool

    A punch down tool, punchdown tool, IDC tool, or a Krone tool (named after the Krone LSA-PLUS connector), is a small hand tool used by telecommunication and network technicians. It is used for inserting wire into insulation-displacement connectors on punch down blocks, patch panels, keystone modules, and surface mount boxes (also known as ...

  7. Autonegotiation - Wikipedia

    en.wikipedia.org/wiki/Autonegotiation

    Autonegotiation. Autonegotiation is a signaling mechanism and procedure used by Ethernet over twisted pair by which two connected devices choose common transmission parameters, such as speed, duplex mode, and flow control.

  8. Ethernet physical layer - Wikipedia

    en.wikipedia.org/wiki/Ethernet_physical_layer

    Ethernet physical layer. A standard 8P8C (often called RJ45) connector used most commonly on category 5 cable, one of the types of cabling used in Ethernet networks. Standard. IEEE 802.3 (1983 onwards) Physical media. Coaxial cable, twisted pair, optical fiber. Network topology.

  9. GG45 - Wikipedia

    en.wikipedia.org/wiki/GG45

    GG45. GG45 ( GigaGate 45) and ARJ45 ( Augmented RJ45) are two related connectors for Category 7, Category 7 A, and Category 8 telecommunication cabling. The GG45 interface and related implementations are developed and sold by Nexans S.A., while the ARJ45 interface and related implementations are developed and sold by Bel Fuse Inc.