USB cable schematic

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serial interface cable Very simple. Maximum length of cable is about 5 m.

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

4 pin USB A or USB B plug connector diagram 4 pin USB A or USB B plug 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

Notes

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

References

Category:Serial Cables

 

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