Home / Computers / RJ-45

RJ-45

Vangie Beal
Last Updated May 24, 2021 7:53 am

Short for Registered Jack-45, an eight-wire connector used commonly to connect computers onto a local-area networks (LAN), especially Ethernets. RJ-45 connectors look similar to the ubiquitous RJ-11 connectorsused for connecting telephone equipment, but they are somewhat wider.