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Short Definition
The People, Idea, and Technology powering the NMRA's Layout Command Control(TM) (LCC).
OpenLCB Logo.png

What is OpenLCB?

OpenLCB refers to a set of protocol standards developed as a non-proprietary Layout Control Bus, but also to the people, ideas, and technology behind them.

What is the Purpose of OpenLCB?

OpenLCB is designed as a separate, generic non-proprietary control bus which is positioned next to and designed to take the load off your throttle bus. It is a bi-directional data bus that can send and receive data. It can be used to control layout signalling, lighting, sound, and animation. It can interface to traction control systems in a unified manner.

A selected subset of protocols has been accepted by the NMRA as the LCC Standard.

OpenLCB Capabilities

OpenLCB is transport agnostic - which means it is designed to communicate across multiple different transports, such as Ethernet, CAN, RS485, RF and WiFi.

OpenLCB is traction agnostic - that means it is designed to work with multiple track control systems, including DC, DCC, Marklin, etc. It has a Traction Protocol which is unified so that throttles can use any traction system.

OpenLCB can connect to legacy control systems, and therefore it protects your investment.

Show Track Current with an NCE DCC System

External Links