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DS74

Features:

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Quad LocoNet based Stationary decoder for operating four turnout control

motors.

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Configurable to support four 12V Pulse-Solenoid, four Slow-motion turnout

motors or eight layout Lights.

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Plug-in connectors for simple and easy installation and service.

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User configurable as 4 consecutive switch addresses in 2000+ switch range.

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Stabilized typical 12V output drive voltages.

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Easily configured with Option Switches and/or LocoNet based programming.

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Power input from 2mm DC jack, or DCC track voltages, 10V min to 22V max.

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Optional Capacitive Discharge configurable for balky pulse-solenoids.

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8 DS74 easy to setup Routes, with 8 Switch Entries each.

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8 input control lines; 4 for Switch/Output change and 4 DS/Sensor inputs.

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Additional advanced LocoNet Configuration modes using DT602 throttles.

Parts List

1 DS74 Stationary Decoder

1 Instruction Sheet

1.0 DS74 Quick Start - Solenoid Installation

The DS74 is simple to install and begin using on your LocoNet layout.

Figure 1 shows the recommended factory default connections to operate

the DS74 on a LocoNet layout and controlling four e.g. Atlas or Bachmann

3-wire snap type 12V pulse-solenoid switch (SW) turnouts.

Connect a PS14 DC or similar power supply to your DS74 via the DC cen-

ter-positive 2mm power jack. Power on the DC supply. The green ID LED

should light and will briefly wink OFF every 2 secs as a product 'heartbeat'

showing unit is powered and operational.

Plug in an active LocoNet to a DS74 RJ12 connector. The red OPS LED will

light up showing connection. Any good LocoNet message seen will cause

DS74 OPS LED to blink OFF briefly.

Press and hold down the ID button for about 3 seconds until the RTS and

OPS LEDs blink alternately, then release the ID button.

From your system send a SW command to set the Base Board address as this

switch#. The OPS and RTS LEDs will stop blinking showing the DS74 has

set the unit's Base SW# to the switch number (SW#) you just sent.

Operate turnouts with a switch# and direction Thrown (T)/Closed(C) at the

Base SW#, or the next 3 SW#'s in use for this DS74.

That's all that's required for installation of your DS74 on LocoNet!

Complete Train Control

Run Your Trains, Not Your Track!

Quad LocoNet Stationary/ Accessory decoder

for turnout control

— 1 —

1 10-pin pluggable input cable