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USB cable schematic pinout diagram @

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USB cable schematic pinout

USB D+ and D- are twisted in cable. Outer shell is made of copper braid and aluminum shield.

Colors do not mean anything in the wiring scheme. You can use any color wire to rig something. Just make sure the colors match from end to end. Using the de-facto color is for industry types only.

The maximum length of a standard USB cable (for USB 2.0 or earlier) is 5.0 metres (16.4 ft). The primary reason for this limit is the maximum allowed round-trip delay of about 1,500 ns. If USB host commands are unanswered by the USB device within the allowed time, the host considers the command lost.

The data cables for USB 1.x and USB 2.x use a twisted pair to reduce noise and crosstalk. USB 3.0 cables are more complex and employ shielding for some of the added data lines (2 pairs); a shield is added around the pair sketched.

4 pin USB A receptacle connector

4 pin USB A plug connector

According to 61 reports in our database ( 54 positive and 5 negative) this pinout should be correct.

If you know how to make Do-It-Yourself device using with this pinout, share the link with us.

Source(s) of this and additional information: wikipedia.org

Last updated 2016-09-30 22:07:48.

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