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  2. Rack unit - Wikipedia

    en.wikipedia.org/wiki/Rack_unit

    Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

  3. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    There is little evidence that the dimensions of these early racks were standardized. Telephone equipment racks (1923) The 19-inch rack format with rack-units of 1.75 inches (44.45 mm) was established as a standard by AT&T around 1922 in order to reduce the space required for repeater and termination equipment in a telephone company central ...

  4. Eurocard (printed circuit board) - Wikipedia

    en.wikipedia.org/wiki/Eurocard_(printed_circuit...

    As the cards are assumed to be installed in a vertical orientation, the usual meanings of height and width are transposed: A card might be 233.35 mm "high", but only 20 mm "wide". Height is measured in rack units, "U", with 1 U being 1.75 in (44.45 mm). This dimension refers to the subrack in which the card is to be mounted, rather than the ...

  5. Eero (wifi) - Wikipedia

    en.wikipedia.org/wiki/Eero_(wifi)

    eero is a line of wireless mesh networking systems developed by eero LLC, a wholly owned subsidiary of Amazon. eero aims to offer complete home Wi-Fi coverage through the use of multiple interconnected wireless nodes. eero systems automatically route connected devices between nodes depending on signal strength. [2]

  6. Router (computing) - Wikipedia

    en.wikipedia.org/wiki/Router_(computing)

    A router [a] is a computer and networking device that forwards data packets between computer networks, including internetworks such as the global Internet. [2] [3] [4]

  7. The number of people considered a 'healthy weight' is ... - AOL

    www.aol.com/lifestyle/number-people-considered...

    (The National Institutes of Health has an online calculator in case you want help determining your ... “This is no longer a one-size-fits-all thing,” he says. “In the past, we would just say ...

  8. How strong are your finances, really? Part two: 4 more money ...

    www.aol.com/finance/more-financial-questions-to...

    If my net worth is $1 million, then my net-assets-to-net-worth ratio is 60%. $600,000 ⁄ $1,000,000 🟰 0.6 Of course this number doesn’t tell you everything you need to know about your ...

  9. Metrics (networking) - Wikipedia

    en.wikipedia.org/wiki/Metrics_(networking)

    Router metrics help the router choose the best route among multiple feasible routes to a destination. The route will go in the direction of the gateway with the lowest metric. A router metric is typically based on information such as path length , bandwidth , load , hop count , path cost, delay , maximum transmission unit (MTU), reliability and ...