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USB with 5 wires?

Discussion in 'Troubleshooting and Repair' started by Floyo, May 28, 2016.

  1. Floyo

    Floyo

    2
    0
    May 28, 2016
    Hi!

    My USB wire of my keyboard has 5 wires:

    color: connected to on the circuitboard:

    black DRAIN
    red V
    yellow G
    white D
    green C

    I'm guessing that red is +5 volts, black is 0 volts, green is Data + and white is Data - but what is yellow for?
    I saw on the internet that most usb's have 4 wires: red, black, white and green.

    Hoping to find an answer.

    Floris
    upload_2016-5-28_18-3-3.png upload_2016-5-28_18-3-3.png
     
  2. Heliman

    Heliman

    65
    13
    Feb 4, 2016
    A 5 wire USB is On-The-Go standard (OTG) used alot on keyboards. The yellow wire is used for ID. Here is a picture of the pinout.
     

    Attached Files:

  3. Floyo

    Floyo

    2
    0
    May 28, 2016
    If I wanted to connect a longer usb cable, where would the ID wire be connected to, if the usb cable has 4 wires?
     
  4. KeithM

    KeithM

    41
    4
    Nov 3, 2015
    Is this a standard USB keyboard, or one with some kind of USB Micro plug? If it's a normal one I don't think the yellow wire is actually connected on the other end, or it's pulled to ground.
     
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