IMPORTANT - The information on this page is ONLY applicable to the 3B engine. It is NOT transferable to the ABY engine. 

The image below depicts the pin locations as if viewing the connector on the ECU.

The image below depicts the 3B ECU pinout when viewing the cable assembly.

The following table defines the functionality of each of the 55 pins on the 3B Motronic ECU. 

Pc-msts

: Open Rails is compatible with all original MSTS content but utilizes modern graphics processors (GPUs) for better performance and higher framerates.

: The simulator's longevity is largely due to its vast community-created content. Websites like TrainSim.com and Elvas Tower host thousands of free routes, locomotives, and rolling stock. 3. Open Rails: The Modern Successor pc-msts

: Microsoft attempted two sequels. The first, developed by Kuju (2003), was cancelled in 2004 due to business shifts. The second, by Aces Game Studio (2007), was intended to use the Microsoft Flight Simulator X engine but was permanently shelved in 2009 during the global recession. 2. Technical Ecosystem : Open Rails is compatible with all original

"PC-MSTS" refers to the for Windows PC, a landmark software in the rail simulation genre. Released in 2001, it pioneered the "free roaming" playstyle and activity-based gameplay that defined modern train sims. The second, by Aces Game Studio (2007), was

: MSTS laid the groundwork for contemporary titles like Trainz , Train Simulator Classic , and Train Sim World .

: It remains exceptionally popular in specific regions, such as India, where massive community projects like the Indian Railways add-ons continue to be developed and played today.