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  2. Category 5 cable - Wikipedia

    en.wikipedia.org/wiki/Category_5_cable

    Category 5 cable (Cat 5) is a twisted pair cable for computer networks. Since 2001, the variant commonly in use is the Category 5e specification (Cat 5e). The cable standard provides performance of up to 100 MHz and is suitable for most varieties of Ethernet over twisted pair up to 2.5GBASE-T but more commonly runs at 1000BASE-T (Gigabit ...

  3. Twisted pair - Wikipedia

    en.wikipedia.org/wiki/Twisted_pair

    Twisted pair cabling is a type of communications cable in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility. Compared to a single conductor or an untwisted balanced pair , a twisted pair reduces electromagnetic radiation from the pair and crosstalk between neighbouring ...

  4. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    If looking at the cable's core and the switch is in that direction, the groups are counted counter-clockwise. If the cable is the field side, the count is clockwise. There are indicators on the mylar ribbons to know where to begin for each layer and a diagram for the different cable sizes should be readily available for reference.

  5. Twisted nematic field effect - Wikipedia

    en.wikipedia.org/wiki/Twisted_nematic_field_effect

    The twisted nematic effect ( TN-effect) was a major technological breakthrough that made the manufacture of large, thin liquid crystal displays practical and cost competitive. Unlike earlier flat-panel displays, TN-cells did not require a current to flow for operation and used low operating voltages suitable for use with batteries.

  6. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image. A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours.

  7. ISO/IEC 11801 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_11801

    For the heavy metal supergroup, see Category 7 (band). International standard ISO/IEC 11801 Information technology — Generic cabling for customer premises specifies general-purpose telecommunication cabling systems ( structured cabling) that are suitable for a wide range of applications (analog and ISDN telephony, various data communication ...

  8. Litz wire - Wikipedia

    en.wikipedia.org/wiki/Litz_wire

    Litz wire consists of multiple strands insulated electrically from each other. Ordinarily the strands are twisted or woven, but no twisting is shown in this diagram. Litz wire is a particular type of multistrand wire or cable used in electronics to carry alternating current (AC) at radio frequencies. The wire is designed to reduce the skin ...

  9. FACT FOCUS: Biden's pause as he left a star-studded LA ... - AOL

    www.aol.com/entertainment/fact-focus-bidens...

    Video from a star-studded fundraiser in Los Angeles for President Joe Biden on Saturday is circulating on social media with claims that he froze up onstage as he exited the event. “Biden froze ...