This device is for fast testing of the new märklin LokDecoder3 and märklin SoundDecoder3 as well as all other decoders that use the following interface connections: NEM 651, NEM 652, MTC14, MTC21, PluX22, and NEXT18. Other decoders such as for 1 Gauge, LGB, or those with individual wires must be connected with set screw terminals. The other features include: - LED monitoring for the peak signal, for Aux 1-6, track input, Aux 3, and 4 amplified and not amplified. - Track connections for the digital central controller. - Speaker. - Motor - Separate terminal clips for another motor. - Direct connections to the märklin Decoder Programmer.

Highlights

• Easy testing of decoder functions.