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Simple hub

Discussion in 'Electronic Design' started by DH Bellringer, Feb 17, 2004.

  1. I have a small network of 4 computers running on a 5 port network
    switch, with one of the ports being taken up by a ADSL router. I want
    to add another computer to the network, and with being very interested
    in electronics, I was wondering if it would be possible to build a
    basic hub which would sit on one of the lines and connect the new
    computer to the network. Ie


    [NEW COMP]
    |
    [SWITCH]-------+-------[COMP]

    --- Ethernet link
    + Device

    The device I wish to build would allow network travel for [COMP] to go
    through uninhibited, but traffic destined for it's MAC address to go
    to the [NEW COMP].
    Thank you for any advice,

    DH Bellringer.
     
  2. You won't be able to make a hub any cheaper than the hubs you can buy.
    Commercial hubs consist of little more than a special chip with a power
    supply and the necessary electromechanical bits. It doesn't get any
    simpler than that.
     
  3. Building a hub isn't out of the question, but its not going to be as simple
    as you think. I'd just buy one on ebay (I just looked, and I saw saveral 8
    port 100baseTX hubs for under 10 bucks.) If you are interested in how they
    work, buy two and take one apart.

    Regards,
    Bob Monsen
     
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