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  2. Power over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Power_over_Ethernet

    In this configuration, an Ethernet connection includes Power over Ethernet (PoE) (gray cable looping below), and a PoE splitter provides a separate data cable (gray, looping above) and power cable (black, also looping above) for a wireless access point. The splitter is the silver and black box in the middle between the wiring junction box (left ...

  3. Autonegotiation - Wikipedia

    en.wikipedia.org/wiki/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. In this process, the connected devices first share their capabilities regarding these parameters and then choose the highest-performance ...

  4. Ethernet physical layer - Wikipedia

    en.wikipedia.org/wiki/Ethernet_physical_layer

    The physical-layer specifications of the Ethernet family of computer network standards are published by the Institute of Electrical and Electronics Engineers (IEEE), which defines the electrical or optical properties and the transfer speed of the physical connection between a device and the network or between network devices.

  5. Ethernet - Wikipedia

    en.wikipedia.org/wiki/Ethernet

    Mixed-speed networks can be built using Ethernet switches and repeaters supporting the desired Ethernet variants. [33] Due to the ubiquity of Ethernet, and the ever-decreasing cost of the hardware needed to support it, by 2004 most manufacturers built Ethernet interfaces directly into PC motherboards, eliminating the need for a separate network ...

  6. Ethernet over twisted pair - Wikipedia

    en.wikipedia.org/wiki/Ethernet_over_twisted_pair

    Ethernet over twisted-pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network. They are a subset of all Ethernet physical layers . Early Ethernet used various grades of coaxial cable , but in 1984, StarLAN showed the potential of simple unshielded twisted pair .

  7. Energy-Efficient Ethernet - Wikipedia

    en.wikipedia.org/wiki/Energy-Efficient_Ethernet

    Green Ethernet technology was a superset of the 802.3az standard. In addition to the link load power savings of Energy-Efficient Ethernet, Green Ethernet works in one of two ways. First, it detects link status, allowing each port on the switch to power down into a standby mode when a connected device, such as a computer, is not active.

  8. 2.5GBASE-T and 5GBASE-T - Wikipedia

    en.wikipedia.org/wiki/2.5GBASE-T_and_5GBASE-T

    As of Dec 2022, 10GBASE-T network equipment is still substantially more expensive than 1GBASE-T, 2.5GBASE-T, and 5GBASE-T network equipment. IEEE 802.3bz also supports power over Ethernet, which had previously not been available with IEEE 802.3an 10GBASE-T. As early as 2013, the Intel Avoton server processors integrated 2.5 Gbit/s Ethernet ports.

  9. GPON - Wikipedia

    en.wikipedia.org/wiki/GPON

    The splitter divides the single signal from the central office into many signals that can be sent to up to 64 consumers. The number of consumers serviced by a single laser is determined by the operator's engineering criteria; operators may opt to reduce the number to 32 consumers.

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