The only other precaution is not to put the buffer right next to the Command bases, give it a few inches of space. Also, don't bundle the buffered track signal and the TMCC/Legacy base signal, I had a report that caused crosstalk and scrambled the signal. Since they're in phase and one is three times the amplitude of the other, I can easily see how that could build yourself an oscillator if there's enough of a run right next to each other.
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