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I am putting a "dog bone" layout together with reverse loops at each end. I want these automated for regular analog DC power. I haven't shopped around, but could someone point the way to firms that offer good reliable units to switch polarity at the proper times? <br /> <br />I think I saw in MR magazine Dallee and some other firms that offer IR controlled block detection units--which I assume allow you to switch a relay when the train is in the block (correct?). Like I said, I have had no previous experience with such units, it would be nice to listen to those who already have purchased one! <br /> <br />Thanks!
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