66 block - What did I do wrong?

I have a 50-pair, split M 66-clip connecting block, which I want to use
to distribute 3 lines 9+ jacks. I did my research, wired it all up,
then tried to connect it, and the lines don't go through. Here's the
details:

If I can get one line working, I'm confident I'll get them all working,
so I'll just give the info for the first pair.

Line 1 comes in from the demarcation point at a modu ..
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