ROCO and FLEISCHMANN specialize in highly detailed HO and N scale model trains, railway layouts, and the Z21 digital control system.
ROCO and FLEISCHMANN are distinguished names in the model railway industry, offering an extensive range of high-quality HO and N scale model trains, rolling stock, and track accessories. Working closely together, they are widely recognized for the Z21 digital control system, which brings modern DCC control technologies to model railway enthusiasts for incredibly realistic setup and operation.
Whether you are expanding an existing layout or building a new diorama, their products deliver precision engineering and authentic detailing. Find user manuals, configuration guides, and troubleshooting steps for your model trains and Z21 digital hardware below.
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Common questions about manuals, registration, and support for this brand.
You can change the number of signals by briefly pressing the programming button for option 2. Additional instructions are provided in the user manual.
Predefined signal configurations and connection instructions can be found in the Z21 Signal Decoder manual available on the official Z21 website.
In normal mode, press and hold the programming button until all LEDs illuminate (for at least 8 seconds) to reset the device to its factory settings.
The device requires a 12 - 20 V DC power input or DCC rail voltage with a minimum of 2 A.