USB cable schematic pinout

serial interface cable

4 pin USB A / USB B / mini-USB jack connector

Pin one side	Signal	Description	Pin other side
1	USB Vcc (Vbus)	usually RED, wire should be 20-28 AWG	1
2	USB Data -	usually WHITE, wire should be 28 AWG	2
3	USB Data +	usually GREEN, wire should be 28 AWG	3
4	GND	usually BLACK, wire should be 20-28 AWG	4

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

4 pin USB A or USB B plug connector

Pinouts.ru > Serial interfaces cables and converters schemes listing > Pinout of USB cable schematic and layout of 4 pin USB A / USB B / mini-USB jack connector and 4 pin USB A or USB B plug connector	Document status:	correct
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Last updated at Wed Oct 25 2006. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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