USB 2 Maximum Cable Length (Full Version)

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Franchesco -> USB 2 Maximum Cable Length (4/12/2007 6:22:55) My backup device is a USB 2.0 250 MB Iomega Hard Drive.I'd like to put it in my garage, requiring about 20 to 25 feet of wire. The official USB specs say 5 meters max; if further use a hub/repeater. I'm wondering how realistic the 5 meter spec is. I recall that parallel printer cables were supposed to be limited to 10 feet or so; 75 foot cables worked just fine. Same thing with the specs for RS-232 cables. Does anyone have any real world experience with long USB 2.0 cables? I'm thinking of building mine using unshielded CAT5 cable, one twisted pair for power, another for data. Wise? foolish?

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jaybee -> RE: USB 2 Maximum Cable Length (4/12/2007 7:00:04) Yes, mine didn't work, or rather it did but intermittently. The problem is it'll work fine for a while and then cause problems and the last thing you think of is the length of the cable so you spend hours trying to figure out what's wrong. I now use a hub and it all seems fine. If you were buying new kit I'd suggest looking at wireless.

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treetopsranch -> RE: USB 2 Maximum Cable Length (4/12/2007 13:32:44) jaybee, was that a powered hub you used? I wonder if you use a powered usb hub you might me able to use longer cables.

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