Startech com 2 to 1 rj45 splitter cable adaptor f m startech com rj45splitter p the startech com rj45splitter 2 to 1 rj45 splitter cable adaptor increases the number of rj45 network connections on an rj45 outlet allowing 2 x 10 100 ethernet signals through a single cat5 cat5e 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 on the other end of the installation the splitter connects to a single