Connect two 10100 ethernet devices to a single cat5cat5e cable drop the rj45splitter 2 to 1 rj45 splitter cable adapter increases the number of rj45 network connections on an rj45 outlet allowing two 10100 ethernet signals through a single cat5cat5e wire on one end of the installation the splitter enables you to connect two patch cables from a hub or switch to a single port on a patch panel while on the other end of the installation the splitter connects to a single cat5cat5e network