Here  we provide some info about digital units and such. This means presentations of digital units and how to connect them. It is mostly reference material, hopefully explained in an easy to understand format.

What is "Digital Power" ?	Some words about the principles
Braking digitally	Lars Westerlind has explored the concept of digitally braking in front of signals. (Updated 2002-02-14)
The Märklin decoders	Description and connection of the Märklin decoders
DIP settings of the 6021 Control Unit	What do the four little white switches on the 6021 mean, and how do they affect my digital operation ?
Decoder summary	An attempt to make an overview of decoders for the Märklin Motorola system
Lenz LE900 loco decoder reference	A simplified translation from the German information that comes with the decoder
Lenz LE930 loco decoder reference	A simplified translation from the German information that comes with the decoder
Delta decoder addresses	Possible addresses with the Delta decoder
The 6051 Interface	Connect your layout to a computer with the 6051 Interface