Which Connectors Does UTP Use?

Which Connectors Does UTP Use? UTP cable often is installed using a Registered Jack 45 (RJ-45) connector (see Figure 8-2). The RJ-45 is an eight-wire connector used commonly to connect computers onto a local-area network (LAN), especially Ethernets. When used as a networking medium, UTP cable has four pairs of either 22- or 24-gauge copper