List of Tested Decoders

We often receive reports on DCC multifunction decoders via Discord and our support channels as well as requests for help when things don’t quite work “out of the box”.

As a result, we’ve started compiling a list of decoders that we’ve experienced with a view to helping people get up and running quicker with their DCC layouts.

The table below is a growing list of multifunction decoders we’ve had reasons to support or test for ourselves with various supporting information, and a rating from one to three stars on how easy it is to use and program them.

If you wish to add to this list, please fill out the DCC Decoder Feedback form and provide the details as per the table below.

  • Brand - The brand/manufacturer of the decoder.

  • Model - The specific model or part number of the decoder.

  • Type:

    • MF - Multifunction.

    • MFS - Multifunction with sound.

    • ACC - Accessory.

    • SND - Sound only.

  • Firmware - The specific version of firmware on the decoder when tested.

  • Connector:

    • NEM651.

    • NEM652.

    • 21MTC.

    • PLUX8/12/16/22.

    • N/A (bare wires).

  • ACK Settings - Specific settings to enable correct ACK behaviour for service mode programming.

  • Rating:

    • Rating is out of 3, purely from the perspective of compabitibility and ease of use getting them working and programming specifically with DCC++ EX. No consideration is given to how easy or complicated these are to install as the use cases vary too widely.

    • 1/3 - Can be quite difficult or complicated to get working or testing had inconsistent results.

    • 2/3 - Works as expected, with some extra effort required such as unique ACK settings.

    • 3/3 - Works exactly as expected.

  • Comments - Any other relevant information discovered during testing or support tickets.

Note to manufacturers: This list is not designed in any way to disparage or favour specific manufacturers, and is simply a factual observation of what the DCC++ EX team have noted while helping people get up and running with various DCC decoders.

Table 5 Decoder List

Brand

Model

Type

Firmware

Connector

ACK Settings

Rating

Comments

SoundTrax

Tsunami2

MFS

New in 2020

Unknown

Default

2.5/3

Installed in Athearn Genesis OEM SD70ACe (ATHG01943). Half point deduction due to ACK being low.

TCS

1527 WOW 121 Diesel + GEN-MB1 Motherboard w/KA2

MFS

New in 2020

21MTC

D ACK MAX 9200

2.5/3

Half point deduction due to non-standard method for indexed CVs, and increased ACK pulse time. |

Digitrax

SDXH186MT

MFS

New in 2021

21MTC

Default

2.5/3

Half point deduction due to fewer options.