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SPROG DCC USB Installation Instructions

  1. Connect the USB cable to both the SPROG and the computer
  2. Connect the SPROG to the power supply and power it up.

    SPROG Nano uses USB power, and has no external power supply. It must be used with a track power booster such as SBOOST. When first connected the red USB light will flash.

    A SPROG II or SPROG3 is not a bus powered USB device. It must be connected to a power supply in order to install the drivers and during use.
    The SPROG came with the power cable connected correctly, but if removed check these connections:
    For black power cables the wire with the white stripe goes to the +V terminal, and the other wire goes to the 0V terminal.
    For most 14V 3A power supplies, the red wire goes to the +V terminal, and the plain white wire goes to the 0V terminal.
    For power supplies with blue and brown wires, the brown wire goes to the +V terminal, and the blue wire goes to the 0V terminal.

    The red power LED should illuminate. The USB light will indicate message traffic, and will flicker during USB messages.
    On newer SPROG models, the USB light will be mostly on, but on older models it will be mostly off.

  3. Click one of the following links for USB driver installation instructions appropriate to your SPROG model and your computer and operating system:
    Driver installation may not be required for every system - read carefully!

Installing Drivers for SPROG IIv3, SPROG IIv4, SPROG3 and SPROG Nano

Next install the USB drivers on Windows 7, Windows 8, 8.1 or Windows 10, or older Windows versions.

Next install the USB drivers on MacOS-X or Linux.



Installing Drivers for SPROG II (all earlier versions)

Next install the USB drivers on Windows 7 or Windows 8, 8.1 or 10 or older Windows versions.

Next install the USB drivers on MacOS-X.

Next install the USB drivers on Linux.




BBM Group LLC, Waldport OR 97394, USA
Last updated 6th March, 2021, rev 46
(C) Copyright 2006-2021 SPROG DCC & BBM Group LLC