LCC – Layout Command Control an NMRA standard for layout communications.
Node – Usually refers to a piece of hardware that interacts with the layout in some way.
Network – A collection of nodes connected over wires or else wireless.
CAN Bus – Controller Area Network is a robust vehicle bus standard designed to allow devices to communicate with each without a host computer.
CDI – Configuration Description Information. The information stored in an LCC node that describes what it does. This information is usually a collection of user selectable options that may be changed with a program such as JMRI.
Network Interface – A device that connects to the LCC bus and allows a computer program or application to act as a node on the network.
Globally unique – A number that is never duplicated anyplace on the Earth. No guarantees are given against duplication on other planets.
EventID – A 16 byte number that indicates something unique has occurred on the layout. Usually indicated in hexadecimal notation such as in 02.01.57.F0.00.03.00.A1
NodeID – The 12 byte number that uniquely identifies an LCC node. Usually indicated in hexadecimal notation such as in 02.01.57.F0.00.03
Producer – Any change that creates (produces) an EventID. Typically a node input from a contact, block detector, or the output of some logic, computer program, etc.
Consumer – Any message (EventID) that causes something to happen. Typically a node output that drives a LED, changes a turnout position, or is the input to some logic or display.
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