Bob the Pleo Forums
Pleo Stuff => Pleo Archives => Archive -- Technical Classic => Topic started by: GarethNelson on August 17, 2010, 05:57:03 PM
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So, i've got a 5m USB cable I wanted to use with my pleo.
My plan was to let the pleo wander around while talking to the serial console. Problem is I et missi leters ike tis due to what I assume is a crap signal. I do have an active repeater coming soon, but this makes me wonder - what's the longest cable without a repeater that can be used before it becomes simply impossible?
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Sorry I cannot be of assistance, as I most likely do not even understand what you are asking for...Hopefully some of our more tech-advanced members could better guide you..ahem, ahem...
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Here's a link for information about cable length limitations defined in the USB specification.
http://www.usb.org/about/faq/ans5 (http://www.usb.org/about/faq/ans5)
If you are using a hub between your Pleo and the computer, you may want to use an externally powered hub versus the cheaper self-powered hubs if you are trying to achieve longer transmission lengths. Some of the self-power hubs have marginal performance capabilities even under the best of circumstances. It is useful to look for the USB certification logo on any USB cables/hubs/etc that you purchase. Some devices out there do not have the logo and their performance again can be substandard.
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Well i've got the signal repeater now anyway.......
One other thing i've found is that moving the cable so it doesn't run near power lines helped massively