Block section module for reverse loops BM3KIf you want to lead a block track, which you build with the BM3, through a reverse loop, then you need, in addition to the LK200, of course, a special BM3 module, the BM3K, and of it equal to 2 pieces. The reason lies in the reporting line, which consists only of a wire, which is very convenient in the "normal case". In this special case, however, the potential is reversed by the reverse loop module, so the message via the message line would no longer w

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