M.
I would say yes. Although you did attempt to maintain twist rate, I don't think the termination method is within the specification of Cat-5+. It will work, but if not sure it would pass a certification of the cabling plant. FEXT, NEXT, or sum loss may be an issue. A 110 IDC block would be more economical and rated for the use. EIA/TIA allows one intermediate cross-over between points. I would be interested in seeing the results of testing a splice like that against an 110 IDC block, with a an unslpiced cable as a control.
