Someone installed my cat6e wall jack using the "A" pattern. (The A and B patterns are printed right in there to compare with the actual wires.) I checked it and it's "A". I have now put an rj45 plug ...
This article was updated March 31, 2023. It was originally published Jan. 8, 2016. Engineers and designers who don’t regularly work with CAT data of cables, and even some that do, can get confused ...