2-Pack DIY or IT Pro Tool The Cable Matters Crossover Adapter directly connects computing devices of the same type with a standard patch cable. It allows older computers without an auto-sensing crossover function in the RJ45 port to have a peer to peer connection. Carry this portable adapter in your toolkit instead of a heavier crossover cable. Cost-Effective Solution Connect this Cat 6 Crossover Adapter to any Cat 5e or Cat 6 patch cable instead of an expensive crossover cable. The convenient 2-Pack provides a spare adapter to keep in your laptop sleeve or IT toolkit.