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SM18 2
Generation Decoders:
SM18, SM18ST & SM18AR
©2020 Phoenix Sound Systems, Inc.

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Summary of Contents for Phoenix SM18 Series

  • Page 1 SM18 2 Generation Decoders: SM18, SM18ST & SM18AR ©2020 Phoenix Sound Systems, Inc.
  • Page 2: Table Of Contents

    Table of Contents Decoder Connections....................3 Trigger Inputs......................3 Programming Jack....................3 The Basic Bench Test....................4 Trigger Checkout......................4 Default Trigger Assignments..................4 DCC Function Defaults....................5 Control Variables (DCC CV)..................6 Chart 1: Function Output Assignment (CV 35-50)..........7 Chart 2: CV29 NMRA Configuration Values............7 Decoder Reset.......................7 All Systems.........................8 Diesel Systems......................8 Steam Systems......................8...
  • Page 3: Decoder Connections

    Introduction to the SM18 Systems Decoder Connections DO NOT PLUG THE SM18 INTO AN ARISTOCRAFT LOCOMOTIVE, USE THE SM18AR. U SE IN AN RISTOCRAFT SOCKET VOIDS THE WARRANTY AND MAY RESULT IN DECODER FAILURE Rail 2 Rail 2 Decoder + F1: Firebox Light Motor + F2: Marker Light...
  • Page 4: The Basic Bench Test

    Initial Checkout The Basic Bench Test Trigger Checkout Default Trigger Assignments Trigger (Location) Diesel, Electric & Other Steam Trigger 1 (J2:2) <unassigned> Chuff Trigger 2 (J2:2) <unassigned> Conventional: <unassigned> Articulated: Second Chuff September 2020 - 4 -...
  • Page 5: Dcc Function Defaults

    DCC Function Defaults September 2020 - 5 -...
  • Page 6: Control Variables (Dcc Cv)

    Control Variables (DCC CV) through OT USE MODE FOR ADDRESS CHANGE COMMANDS September 2020 - 6 -...
  • Page 7: Chart 1: Function Output Assignment (Cv 35-50)

    Chart 1: Function Output Assignment (CV 35-50) Chart 2: CV29 NMRA Configuration Values Decoder Reset September 2020 - 7 -...
  • Page 8: All Systems

    Standard Sounds and Effects All Systems Whistle/Horn: Toots when starting (2 forward, 3 reverse) and stopping (one toot). Crossing whistle sequence plays when you reach the Whistle/Horn play speed. You must slow down to at least 75% of the play speed in order to have it play again when you speed back up.
  • Page 9: All Systems

    Triggered Sounds and Effects All Systems Tunnel Fade: This trigger causes the volume to fade down to a lower setting. When the input is triggered again, the volume will come back to the original setting. Doppler: In diesel, when you trigger this input, the next time the crossing horn plays it will go thorough the pitch shift that you hear as a train is speeding toward and then away from you.
  • Page 10 General Installation Guidelines Speaker – Use the largest speaker that can reasonably fit your available space. For best acoustics, the speaker should be sealed to the floor so that sound going out the front of the speaker cannot easily get to the back side. Access Jack –...
  • Page 11: Plug In Installation

    The SM18: Bachmann Large Scale Socket Plug In Installation LEASE NOTE THAT THE ACHMANN SOCKET ARRANGEMENT HAS DIFFERENT PIN COUNTS ON EACH END AND CAN ONLY BE INSERTED IN ONE ORIENTATION Speaker K-27 Optical Chuff Jumper K-27 Opt ical Chuff Jumper September 2020 - 11 -...
  • Page 12: Installation

    The SM18ST: Screw Terminal Installation Speaker September 2020 - 12 -...
  • Page 13: Mostly Plug In Installation

    The SM18AR: Aristocraft Socket Mostly Plug In Installation LEASE NOTE THAT THE RISTOCRAFT SOCKET WAS NEVER STANDARDIZED FOR THE CONNECTOR HEY DO NOT APPEAR TO BE CONSISTENT ACROSS LOCOMOTIVES NOR MATCH THE ACHMANN ARRANGEMENT SM18 SM18AR SING AN FOR THE ACHMANN SOCKET INSTEAD OF AN COULD RESULT IN DAMAGE TO THE DECODER AND OR THE LOCOMOTIVE OR ITS COMPONENT PARTS...
  • Page 14: Led Indicators

    Troubleshooting No DCC response and no sound – Start by rechecking the wiring to the track pick ups. A connection may have been missed or become loose. No DCC response but idle sounds play – Check your DCC address. Also, verify that you have DCC on the track and not just a DC power source.
  • Page 15 Technical Specifications Length – 2.44in; 62 mm Width – 1.42 in; 36 mm Height, seated – 0.565 in; 14.35 (not including pins) Maximum Track Volts – 30V. Total Current – 7A. Motor Current – 5A. Amplifier – 3 Watts maximum. Speaker Load –...
  • Page 16: Basic Dcc

    Appendix A: SM18ST Wiring Diagrams Basic DCC Motor - Motor + Front Light Rear Light Left Right Rail Rail Programming Jack Output F1 Output F2 Output F3 Output F4 Output F5 Speaker September 2020 - 16 -...
  • Page 17: Cvp Airwire Converter

    CVP Airwire Converter Motor - Motor + Front Light Battery Rear Light Programming Jack Output F1 Output F2 Output F3 Output F4 Output F5 Speaker September 2020 - 17 -...
  • Page 18: Crest Revolution Dcc

    Crest Revolution DCC Motor - Motor + Front Light Rear Light Battery Programming Jack Output F1 Output F2 Output F3 Output F4 Output F5 Speaker September 2020 - 18 -...
  • Page 19 Appendix B: The Computer Interface ● ● ● ● ● ● ● ● ● ● LEASE NOTE THE SOFTWARE WILL RUN ON ANY WITH INDOWS OR NEWER T IS THE INTERFACE HARDWARE WHICH REQUIRES A 2000. I MINIMUM OF INDOWS F YOU ARE USING THE OLDER HOENIX ERIAL...
  • Page 20 Warranty • • September 2020 - 20 -...

This manual is also suitable for:

Sm18Sm18stSm18ar

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