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Connecting wires on two sides (connectors)

Discussion in 'General Electronics Discussion' started by toiletmirror, Sep 30, 2017.

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  1. toiletmirror

    toiletmirror

    5
    0
    Jul 11, 2017
    Hi, a little backstory.

    I'm a university student doing a project that requires me to have a server inside a sealed chamber (vacuum).

    The thing is the server's power-on button is connected to this little board here: https://imgur.com/z5oeJnS (beside my thumb) and this is the back: https://imgur.com/AfT74nC

    It has 13 wires connected to each spot. Anyway, what I'm planning to do is to weld a KJL 15-pin d sub flange: https://imgur.com/OpJO1Vp (front) and https://imgur.com/HWw06rr (back) onto the wall of my chamber.

    Then I would cut the 13 wires somewhere in the middle the length, soldering each wire to 13 of the 15 pins in a 1-to-1 positioning, with the little board/button on the external such that I can power on my server from the outside.

    So before I jump into this, I'd like to ask for opinion, whether this is a good idea or not. I'm just hoping the 15 pins just work as a conductor from one side to another, and I'm not missing out on anything that may cause any short or open circuit. I'm just a mechanical engineer, and a student at that, so my experience with electronics is rather lackluster.

    Thank you.
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,655
    2,696
    Nov 17, 2011
    Electrically this will work as expected.

    A standardf D-SUB connector, however, is not vacuum tight. You need to look into sealed conenctor specifically made for passing electrical conenctions through the wall of a vacuum chamber. E.g. like these.
     
  3. duke37

    duke37

    5,364
    772
    Jan 9, 2011
    An electronic circuit in a vacuum will overheat unless special measures are taken to transfer the heat to the chamber.
     
  4. toiletmirror

    toiletmirror

    5
    0
    Jul 11, 2017
    Hi. Thanks for the reply. Yes the connector will suitable.

    So I could just connect any wire to any pin position, as long as I match the same piece (pin-position wise) on the external side?

    Either way, here's a drawing for illustration of the setup: https://imgur.com/LtbLbCC

    The chamber will be used for thermal management, so overheating is not a concern for me.
     
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