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USB PORT

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by asifiqbal

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WHAT IS THE MINIMUM DISTANCE BETWEEN TWO USB DEVICE.

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by fossil

The minimum USB cable length I've seen is 0.5 meters. The question of maximum is relative. The USB spec defines cables in terms of eletircal properties -- the ability to deliver a singnal of specified strength. There isn't an absolute maximum length. The longest I've seen is about 5 meters. The USB spec specifical call it "Prohibited" to connect two USB cables end-to-end. Instead it specifies that a USB cables may be daisy-chained by using a "hub" or single-port connector to join them. More can be found at http://usb.org/developers/docs.html

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