Pushing sixteen wires into sixteen slots that they really don't want to do with only a hand-powered plastic tool really really hurts my fingers. Note to self: Buy the spring powered one next time.
Still, I now have a cable with RJ-45 jacks on the end, all ready to extend a network. I believe I can now build a network. Actually, I did this two days ago, but now my fingers feel well enough to type again. Ow.