LAN Port, Network Port or Ethernet Port
An RJ45 connector and a PCI NIC card are 2 completely different things. An RJ45 (Technically an 8P8C) is the connector at the end of a CAT cable which plugs into a NIC card. Unless you are thinking RJ11, which has nothing to do with CAT cables. An RJ11 is the name of the cable used for single-line dialup modems and telephones, in which case, the connector is called a 6P4C connector.
A lot of people would call an RJ45 telecommunications jack, a registered jack or simply RJ45. It just depends on the preference of the person who is using the word.
RJ45 is name of connector types used for Ethernet connections on computers and other Ethernet networking devices like routers and switches and also modems and other devices which support Ethernet interface. - Neeraj Sharma RJ45 is the standard for the plug that you use for connecting cat5 cable to a network. It's an 8 connector plug that looks like a larger version of a phone plug.
An RJ45 cable is also known as an Ethernet cable
Fluid Connector
BNC connector
synapse
20 pin P1 connector.
The RCA cables got its names from the company Radio Corporation of America. The RCA connector is at times called the cinch connector or the phono connector.
Diagnostic plug. Diagnostic connector. Data link connector.
berg
This is commonly referred to as a "Berg connector", after it's original manufacturer, the Berg Electronics Corporation.