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Command Station:

Digitrax: DCS51

Summary: This command station/booster is considered an entry-level system, yet it is fully expandable using Digitrax's LocoNet throttle network. This unit includes an integrated throttle for controlling locomotives as well as stationary decoders. Has been replaced by DCS52 in 2019.

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General information
Manufacturer Digitrax

MSRP 225.00 USD229.05 EUR <br />200.41 GBP <br />340.04 AUD <br />303.55 CAD <br />
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Product information

Product URL External Product Link
Product Manual URL External Product Link
Year Released 2011
Year EOL 2019
Predecessor DCS50
Successor DCS52

Integrated Throttle Knobs and Buttons
Throttle Network LocoNet
DCC Features

Extended Addressing Yes
Consisting Methods
Advanced, Basic, Universal
Zero Stretching Yes
Max Current 3
Continuous Current 3


The predecessor was the DCS50 and was released in 2002. This unit has since been replaced by DCS52 in 2019.


This command station / booster / throttle combination is what makes up the majority of the Digitrax Zephyr Xtra starter set.

Digitrax DCS51 Zephyr Xtra Starter Set

Despite being an entry-level system, it is expandable via LocoNet to create a comprehensive Digital Command Control system.


The Zephyr Xtra set includes


  • Three Ampere booster, at 13V for both H0 and N scale operations
  • Colour 2.4" LCD display
  • Backlit keypad
  • Integrated USB Interface
  • Brake/Direction lever
  • Speed control knob
  • Two and Four digit addresses supported
  • Twenty Slots
    • Supports up to 20 trains at once, and up to 20 throttles.

Jump Ports

Like the previous Zephyrs, one or two DC power packs can be used as throttles to control up to 2 locomotives via the Jump Ports.


The Zephyr Express features Address 00 for control of a non-decoder equipped locomotive.

  • More than 9000 addresses available
  • Two / Four Digit Addressing
    • 0-127 Primary Addresses


  1. Universal consisting, including a locomotive on Address 00
  2. Advanced Consisting
  3. Basic Consisting

Decoder Programming

  1. Built in read and write programmer
  2. Blast Mode

Programming Modes

  1. Direct
  2. Paged
  3. Register Mode
  4. Operations Mode

JMRI Support

See their support page at https://www.jmri.org/help/en/html/hardware/loconet/DCS52.shtml

Digitrax Zephyr Demonstration Video

A video about the Digitrax Zephyr Express


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