What does RJ-45 mean?
RJ (Registered Jack)-45 also known as Cat 5e jacks or Cat 5e plugs is the standard connector used for Unshielded Twisted-Pair cable.
It is most commonly used for 10Base-T (10 megabit baseband over twisted-pair copper wire) and 100Base-TX Ethernet connections. Also used in network cabling and in telecommunication applications.
RJ-45 jacks and plugs have 8 pins. It is also referred to as 8P8C connectors. This stands for 8 Position that describes the width 8 Conductor.
