twisted pair

installed Hitron Bonded MoCA 2.5 Adapter for Ethernet Over Coax (2-Pack), connecting AT&T residential gateway to Apple TV one floor below. Working fine, but literature indicates many benefits of having a MoCA POE filter in place. Such filters connect at the point of the incoming coax drop...

So my house is prewired with Cat5e. But the builders didnt leave much slack on the cables and did an even worse job of crimping some of the ports. I'm trying to fix one where only 2 of the pairs where used. The problem is that the green/green-white pair is insanely short, almost into the...