Decoder Tester – Zimo MSTAPG


1 in stock (can be backordered)


Large scale decoder tester for L type socket decoders such as the ZIMO MS950 or ESU LokSound V4 or 5 L decoders, as well as the ZIMO MS990 and MS955.

Decoder testers allow for quick and simple testing of all kinds of decoders prior to installing in a locomotive, or for troubleshooting and testing decoders that have been removed from a locomotive. It is also very useful for loading to a decoder a large number of CV’s from a template, or a sound project from a sound loading device such as the Zimo MXULFA or ESU LokProgrammer.

Includes 1x Zimo MSTAPG decoder tester, 1x 2 pin plug for connecting a programming track and 1x SUSI cable.

  • Connect your DCC programming track or sound loading device to the tester using the screw terminals on the 2 pin plug
  • Two LED’s labelled ‘L’ and ‘R’ will light when DCC power is connected and turned on
  • A handy DCC power on/off push button is provided next to the 2 pin plug
  • Handy push-down ‘screw’ terminals for hardwire decoders – push down to secure each wire instead of excess use of a screwdriver!

The tester includes:

  • A motor
  • 2x 8Ohm 1W Zimo 18x13x13mm cube speakers, excellent sounding speakers
  • 15 LED’s to test 15 function outputs of the decoder
  • Connection points for an additional external motor and two external speakers
  • 4x 3 pole servo connection pins
  • SUSI connection, useful for super fast Zimo sound loading


Decoder interfaces include:

  • Hardwire (18 ‘screw’ terminals)
    • 4x LS = Speaker connections
    • SL = Track Left (schiene left)
    • SR = Track Right (schiene right)
    • M – = Motor negative
    • M + = Motor positive
    • LV = Front light
    • LR = Rear light
    • F1-F8 = Function outputs 1 – 8
  • PLUX26/PLUX22/PUX16
  • Terminals to accept ZIMO MS990, MS950 and MS955 large scale decoders
    • ESU ‘L’ decoders can also be plugged into the MS950 socket

Additional information

Weight 250 kg


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