This is the small rectangular ended plug that can be found at each end of an Ethernet cable.
                                                            
                                                     
                        
                                                
                        
                        
                            An eight-pin serial connector for Ethernet cables that is slightly wider than a RJ-11 connector.
                                                            
                                                     
                        
                                                
                        
                        
                            An attachment found on the ends of all Ethernet cables that connects Ethernet (wired) cables to other devices and computers.
                                                            
                                                     
                        
                                                
                        
                        
                            Small square-ish plug found at the ends of Ethernet cables.
                                                            
                                                     
                        
                                                
                        
                        
                            A telephone connector that accommodates up to eight wires. RJ-45 plugs and sockets are used in Ethernet and Token Ring devices.
                                                            
                                                     
                        
                                                
                        
                        
                            A connector utilized in 10BaseT and 100BaseTX networks with UTP cabling.
                                                            
                                                     
                        
                                                
                        
                        
                            A connector used with twisted-pair cable that connects the cable to the NIC (Network Interface Card).