USB CABLE PIN COLOR

How to tell what type of USB connector you have by color
Jan 12, 2014It is completely backward compatible with USB 2.x. Red or Yellow USB connector - Sleep and Charge. Red Type A USB Sleep and Charge plug. This is not a USB specification, but more of a feature. This color indicates that the connector does not power off during sleep or standby mode.
USB pinout diagram @ pinouts
Jan 27, 2010Mini-USB pinout and Micro-USB pinout are slightly different: standard USB uses 4 pins while Mini-USB and Micro-USB uses 5 pins in connector. The additional pin is used as an attached device presence indicator. USB pinout signals. USB is a serial bus.200/228(228)