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Universal Serial Bus (USB)

Developed by Compaq, Hewlett-Packard, Intel, Lucent, Microsoft, NEC and Phillips.

USB A USB A (at the Connector)
USB B USB B (at the Connector)

Series "A" plugs are used towards the host system and series "B" plugs are used towards the USB device.

Pin Name Description
2 D- Data -
3 D+ Data +
4 GND Ground
Contributor: Joakim Ögren, Tomas Ögren
Source: USB FAQ at USB Implementers Forum
USB Specification v2.0 at USB Implementers Forum

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13