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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