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Thread: Cable extensions question (IDE to USB, longs, place...)

  1. #1
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    Cable extensions question (IDE to USB, longs, place...)

    Still with noise problems in provisional instalation I have decided to place the pc in the boot, but I have some questions.

    1 I have an IDE to USB adaptor. I can use a laptop dvd reader with this, I think, but how long could I place it? is it posible to place the reader in the dash with a 5m USB cable or it won´t work?

    2 I need a VGA 5m and a USB for touchscreen. Where they need to go, in the power cable side or in the speakers side? or by the center of the car?

    3 I have a IR receptor for Epia (non usb, special for EPIA), but cable (6 pins) is arround 30cm. How to make an extension of +-5m which works.

    4 Now will be easier to place the GPS receptor below the rear window. Is it big the difference placing it there in comparation with the front window?

    5 Will do the sound cable extension cause interferences if it is in the speakers cables side?

    Sorry if it is long.

  2. #2
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    1. 5 meters, http://www.usb.org/faq/ans5/ This applies to both USB 1.0/1.1 and USB 2.0

    2. As far as VGA cable lengths go, I don't know of any hard and fast rule. Basically the shorter the better. If you have to run a cable of 5m try to buy very good quality cable, otherwise you'll surely get interference. Good luck. Oh I see what you're asking now hehe whoops anyway, I am sure that you'll get different answers for this but the center of the car (assuming no other wiriing is there) would be the "safest" from EMI but it's probably safe to run it with the power cables but really it may vary and experimentation is best fo rthis.

    3. I don't know what IR device you're talking about, look at the specifications or get in touch with their technical support.

    4. No I would really guess not unless your rear window is at a very odd angle or something, but again just try it out and see if there's any difference in how easily it locks on to satellites in both position. I'm guessing there won't be a big difference, if any.

    5. I'm really sorry but again, test it out. If you buy high quality shielded cable you should be alright.

    Good luck and I'm sorry that most of my posts just ended in "test it" but that's how a lot of it works. Every application can be different and there can always be other factors which are unknown especially when you're talking about interference. Good luck again, hope this helps!

  3. #3
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    Well, lots of people place the pc inside the trunk using a touchscreen in the dash, what do they do and use for it?

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