Digitrax Mobile Decoder

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The following is a list of Digitrax mobile decoders. There's also an article on all Digitrax Products.

Digitrax Naming Conventions

From the Digitrax Knowledge Base:

XX345X

The first character indicates digital decoder: "D".

The second character indicates the size. This is the smallest locomotive it will fit. The sizes are Z, N, H, or G.

The third is current rating of the decoder. This will be a 1-5. Verify the true current capability as fractions are not indicated.

Functions available.

The fifth character is a Digitrax series designator. Range: 0-9.

Additional suffixes may be added to the decoder number to indicate which installation interface is used on the decoder. If the decoder number ends after the series number, then it is a wired decoder. The following table shows some of the interfaces currently available on Digitrax decoders.


Letter Meaning Notes
Blank Wired, or Digitrax 9 pin to wires Hard wired
D Digitrax 9 pin to wires
IP Integrated DCC Medium plug
P Digitrax 9 pin to medium plug
PS Digitrax 9 pin to medium plug “s” means short wires
AT Athearn interface Discontinued
K Kato
A Atlas
AR Aristocraft
S Screw terminals
L LifeLike/Walthers
Q QSI style PCB replacement
I Intermountain
M MicroTrains
IN Integrated 6 pin plug
Z American Z Line
MK Marklin

Function Only Decoders

TL1

Digitrax single function decoder with transponding

The Digitrax TL1 can be used for:

  • Function only DCC decoder with transponding
  • Digitrax Transponding
  • Function only DCC decoder without transponding.

Features/Capabilities"

  • Single 125mA (250mA peak) function output for lights or other functions
  • Function can be turned on/off using F0, F1, F2, F3, or F4
  • Supports both 2 digit and 4 digit addresses
  • Programmable from DCC compatible equipment
  • Configurable Strobe feature lets you simulate flashing lights like a FRED, Strobes, Mars Lights, etc.
  • Compatible with Digitrax DCC Transponding Systems
  • Approximate size: 0.461” x 0.31” x 0.161” (11.7mm x 7.8mm x 4.1mm)

TF4

Digitrax 4 function decoder with transponding

Details:

  • Four 125mA (250mA peak) function output for lights or other functions
  • Functions can be turned on/off using F0-F12
  • Supports both 2 digit and 4 digit addresses
  • Programmable from DCC compatible equipment
  • Configurable Strobe feature lets you simulate flashing lights like FRED, Strobes, Mars Lights], etc. on the yellow and white leads
  • Standard On/Off Function operation available on green & violet leads.
  • Approximate size: 0.461” x 0.31” x 0.161” (11.7mm x 7.8mm x 4.1mm)

Motor Control Decoders

Z Scale

DZ123

Features

  • Two 500mA function output for lights or other functions
  • Handles 1.0 Amp (2.0 Amp Peak)
  • Functions can be turned on/off using F0-F12
  • Supports both 2 digit and 4 digit addresses
  • Programmable from DCC compatible equipment
  • Configurable Strobe feature lets you simulate flashing lights like FRED, Strobes, Mars Lights], etc. on the yellow and white leads
  • Standard On/Off Function operation available on green & violet leads.
  • Approximate size: 0.36” x 0.55 x 0.13” (9.14mm x 13.97mm x 3.3mm)

See also: Digitrax Digitrax DZ123

N Scale

HO Scale

Digitrax decoders that are recommended for HO scale installations have an H for their second digit.

The DH123AT has been discontinued. A DH123D is the equivalent .

G Scale

See Also