Joe Allen posted:First make sure the red wire goes to the center rail of the track.
Second make sure you have power by looking for the red light under the grill of the TIU.
The TIU must receive power by having FIXED 1 powered or by using the AUX POWER INPUT with a suitable transformer to make the other channels work. Otherwise, FIXED will only pass power through and the DCS signal does not work. The Variable channels will not pass power without the TIU being powered.
The track doesn't have to make a loop to work.
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