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Network and Classroom Management Thread, Request for comments on our latest installation in Technical; Here is a picture of our latest installation . Here is a link to a larger image http://www.openhgs.org.uk/albums/techsupp/pic_0185.jpg I'd like ...
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    Request for comments on our latest installation

    Here is a picture of our latest installation
    .
    Here is a link to a larger image http://www.openhgs.org.uk/albums/techsupp/pic_0185.jpg
    I'd like some comments on problems, which I can present to all here who reckon that the installtion is fine. BTW, the single part trunking carries both power and cat5e cabling, the latter of which is unshielded.

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    Re: Request for comments on our latest installation

    Are you seriously keeping the keyboards on the PCs?

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    Re: Request for comments on our latest installation

    Cabling issues aside, how on earth are you supposed to use the keyboard and mouse?

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    Re: Request for comments on our latest installation

    I can see the keyboards getting damaged very quickly, plus without the lifts on the back, the angle must be a touch uncomfortable. The monitor is probably too high, too. Also, using a mouse which is at a different height to the keyboard is really awkward, we have a few computer trolleys like that and I hate them.

    It could just be the photo, but you seem to have about 20cm "spare" space behind the trunking, yet no room to put the keyboards down in front of the PCs!

    I've no issues with the shared trunking, mind you; we use quite a bit of it here.

    As a "solution", I'd consider standing the PCs tower-like between the monitors, or possible even leaving them as desktops but standing one on top of the other (obviously making it clear which is which, so people can use pen drives).

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    Re: Request for comments on our latest installation

    WTF! was this is senior manglement brainchild?

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    Re: Request for comments on our latest installation

    Cabling issues aside
    I looked at the cables behind the PC and thought "Holy spaghetti cables batman!" Maybe just some cable ties would be a nice quick fix here.

    Are you able to stand the PCs on thier sides behind the monitor?

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    Re: Request for comments on our latest installation

    could you not put the base untis on their side behind the monitor, then have enough room for a keyboard?

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    Re: Request for comments on our latest installation

    Ergonomically-speaking, users will virtually kill themselves. The HSE would have a fit if they saw that. And I thought trunking had to have dividers in to separate data/power - is it not regulation?

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    Re: Request for comments on our latest installation

    Its unusable. The keyboard needs to have space on the desk so its at the right height. What sort of level is the monitor compared to student eye height?

    The benching is not deep enough, I get all benches 800mm deep to fit trunking -> cables -> base unit -> keyboard depth.

    I wouldn't let anyone use it if it was mine.

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    Re: Request for comments on our latest installation

    Black TFT's with White base units and keyboards? 8O VILE!

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    Re: Request for comments on our latest installation

    They're not white, they're beige

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    Re: Request for comments on our latest installation

    Quote Originally Posted by Quackers
    Black TFT's with White base units and keyboards? 8O VILE!
    You should see our black mouse, white keyboard combo :-)

    I'm not a big fan of black TFTs though, I find them a bit imposing - I much prefer silver/grey ones.

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    Re: Request for comments on our latest installation

    As others have said - you need to stand the units up so there is space on the surface for the kb and mouse.

    The trunking should not be a single section, as you don't have any protection from electrical interference and the network cabling install would therefore not be certifiable as CAT5.

    The monitor stand looks very flimsy as do the keyboards. I would look at having the computers mounted under the desk, with a fixed pole with the tft on. Probable cost of doing that would be about £100 for the tft pole, and £100 for the cage/shelf for the PC.

    Was this an inhouse install? Or did an external company do it?

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    Re: Request for comments on our latest installation

    Quote Originally Posted by webman
    Ergonomically-speaking, users will virtually kill themselves. The HSE would have a fit if they saw that. And I thought trunking had to have dividers in to separate data/power - is it not regulation?
    AFAIK there is no regulation which specifies separate data and power, however there is plenty of information available on Electromagnetic Interference (EMI). Point the idiots performed this installation at www.lanshack.com/cat5e-tutorial.aspx and www.connectworld.net/syscon/support.htm. It is recommended that there is 12" between power and data, unless a busbar trunking systems is employed.

    EMI can cause chaos on a network. Typical symptoms - Windows shared drives mysteriously vanishing, connections to database servers terminating, networked printers spewing random garbage, huge number of packet collisions (slow response), etc. EMI is a difficult problem to diagnose without specialist equipment. If you know that power and data cabling are in close proximity, such as in the same trunking, and there are network issues, EMI is a safe bet.

    The wasted space being the trunking is brilliant! I'm also impressed with the lack of space for keyboards, mice and for people to work. Will the base units fit behind the trunking? This might be a way to gain extra space.

    Ideally you should get it reinstalled and have the trunking installed on the wall behind or under the benching if possible. I'll bet that will happen. I'm guessing that the installation was out of your hands. Anyone that allows such shoddy work should be dismissed instantly.

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    Re: Request for comments on our latest installation

    I would not have mains power and cat5 networking in the same trunking running parallel crossing is ok.

    Those machines are unusable with the key boards perched on the top, their is not support for the ends as the machines aren't wide enough.

    the keyboards need to be on the desk with the base units either on their side behind the monitors, to the side of the monitors or 2 base units on top of itself.

    What depth is that worktop 600mm? however specified it should be taken outside and shot.

    Ben

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