Light-Signal Decoder for advance- and home-signals or home-light-signals of the Deutsche Reichsbahn (Hl-Light signal system)

for train signals equipped with LED (light emitting diodes) for the data formats Märklin-Motorola and DCC of our Digital-Professional-Series !

You can purchase the Light-Signal Decoder LS-DEC from us as a kit, as a finished module or as a finished module in a case.

Features of the LS-DEC-DR

Realistic switching of light-signals via accessory addresses:

  • With the Light-Signal Decoder LS-DEC is it possible to switch light signals via accessory addresses. Ideal for Digital Central Units which are switching turnout tracks and Model Railway Layouts which are controlled by PC and control software. The signal wiring will be simply connected to the signal-module by practical and secure clamps.
  • Up to two 4-aspect signals (advance- and home-signal) or two 14-aspect home light-signals can be controlled by one Light-Signal Decoder LS-DEC. The decoder controls light bars as well.
  • The advance signal lamp will flash realistic during the relevant aspects.

Sample connection 1: to each clamp block can be one home- and one advance signal connected.

Sample connection 2: to each clamp block can be one home light-signal connected. Up to 14 signal aspects can be controlled.

  • Signal aspects will not simply be cross faded but as realistic the prior aspect will be firstly dimmed and after a short dark phase the new signal aspect will appear. The light emitting diodes will be dimmed up and down during this process.

Above: conventional signal change by simple switching. below: realistic signal change with dim- and dark phase with the Light-Signal Decoder LS-DEC.

  • With integrated series resistor for the light emitting diodes.
  • Suitable for all LED-light signals with common anode or common cathode.
  • In case you want to use DR light-signals with light bars of company Erbert you can extend the Light-Signal Decoder LS-DEC-DR simply with our Adapter Adap-LS-A.
  • The signal current has not necessarily to be supplied by a booster but can be directly feeded into a separate input from a model railroad transformer. This saves expensive digital current.
  • By using a connector plug you can choose if you want to operate the decoder on a Märklin-Motorola system or on a digital system with DCC Standard.
  • Decoder of the Digital-Professional-Seriescan be used on your digital system without any problems because they are compatible to the Märklin-Motorola-Data format respectively to the DCC Standard.
  • The finished module and the finished module in a case comes with 24 month warranty.
  • Each decoder LS-DEC-DR will be supplied with a detailed operating-/respectively assembly instruction.
  • You can purchase the Light-Signal Decoder as a kit (-B), as tested finished module (-F) or as tested finished module in a case (-G). Suitable assembly material for the kit or the finished module is available under Accessories.

Tip for installation

Installation of DR-home light-signals with 14 signal aspects within the model railway software TrainController™.


Instructions regarding this article can be found here: Downloads LS-DEC-DR.
Instructions for all LDT-Components can be found here: Overview Downloads.


Sample-connections regarding this article can be found here: Sample-Connections LS-DEC-DR.
Sample-connections for all LDT-Components can be found here: Overview Sample-Connections.


A Digital-Compendium to this article can be found here: Digital-Compendium LS-DEC-DR.
An overview for all Digital-Compendium articles can be found here: Overview Digital-Compendium

Add to Wish List / Prices

Attention: Products can only be added to the Wish List, if you are registered as customer at the LDT Webshop or if you are initially registered by interest of our products.

Add to Wish List: LS-DEC-DR-B (Part-No.: 516011): Light-Signal Decoder for DR-Signals
as a kit (42,90 €*).
Add to Wish List: LS-DEC-DR-F (Part-No.: 516012): Light-Signal Decoder for DR-Signals
as a finished module (53,50 €*).
Add to Wish List: LS-DEC-DR-G (Part-No.: 516013): Light-Signal Decoder for DR-Signals
as a finished module in a case (56,90 €*).

* All prices incl. VAT, plus Shipping.
(All decoders are suitable for Märklin-Motorola and DCC digital-model rail roads.)

Subject to technical changes and errors.
© 2017 by LDT

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