Three pair cord from wall to KLM #2 - this is a must. Cord from KLM #2 to KLM #1 can be a three pair or two pair cord. Cord from KIM #1 to the 7324 phone can be three pair, two pair or one pair.

Look at the end of the three pair cord coming from the wall. The center two gold contacts carry data for the phone and the KLMs. The pins on the outside of the center pair carry -24 VDC. The outermost pins on each side also carry -24 VDC.

As you punch it down, the white/blue pair is your station port, the white/orange and white/green pair are -24 VDC.

THE Bracha, old blond specialist in Rube Goldberg solutions.